// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Rockchip USB2.0 PHY with Innosilicon IP block driver
*
* Copyright (C) 2016 Fuzhou Rockchip Electronics Co., Ltd
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/extcon-provider.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio/consumer.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/power_supply.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/rockchip/cpu.h>
#include <linux/mfd/syscon.h>
#include <linux/usb/of.h>
#include <linux/usb/otg.h>
#include <linux/usb/role.h>
#include <linux/usb/typec_mux.h>
#include <linux/wakelock.h>
#define BIT_WRITEABLE_SHIFT 16
#define SCHEDULE_DELAY (60 * HZ)
#define OTG_SCHEDULE_DELAY (1 * HZ)
#define BYPASS_SCHEDULE_DELAY (2 * HZ)
#define FILTER_COUNTER 0xF4240
struct rockchip_usb2phy;
enum rockchip_usb2phy_port_id {
USB2PHY_PORT_OTG,
USB2PHY_PORT_HOST,
USB2PHY_NUM_PORTS,
};
enum rockchip_usb2phy_host_state {
PHY_STATE_HS_ONLINE = 0,
PHY_STATE_DISCONNECT = 1,
PHY_STATE_CONNECT = 2,
PHY_STATE_FS_LS_ONLINE = 4,
};
/**
* enum usb_chg_state - Different states involved in USB charger detection.
* @USB_CHG_STATE_UNDEFINED: USB charger is not connected or detection
* process is not yet started.
* @USB_CHG_STATE_WAIT_FOR_DCD: Waiting for Data pins contact.
* @USB_CHG_STATE_DCD_DONE: Data pin contact is detected.
* @USB_CHG_STATE_PRIMARY_DONE: Primary detection is completed (Detects
* between SDP and DCP/CDP).
* @USB_CHG_STATE_SECONDARY_DONE: Secondary detection is completed (Detects
* between DCP and CDP).
* @USB_CHG_STATE_DETECTED: USB charger type is determined.
*/
enum usb_chg_state {
USB_CHG_STATE_UNDEFINED = 0,
USB_CHG_STATE_WAIT_FOR_DCD,
USB_CHG_STATE_DCD_DONE,
USB_CHG_STATE_PRIMARY_DONE,
USB_CHG_STATE_SECONDARY_DONE,
USB_CHG_STATE_DETECTED,
};
static const unsigned int rockchip_usb2phy_extcon_cable[] = {
EXTCON_USB,
EXTCON_USB_HOST,
EXTCON_USB_VBUS_EN,
EXTCON_CHG_USB_SDP,
EXTCON_CHG_USB_CDP,
EXTCON_CHG_USB_DCP,
EXTCON_CHG_USB_SLOW,
EXTCON_NONE,
};
struct usb2phy_reg {
unsigned int offset;
unsigned int bitend;
unsigned int bitstart;
unsigned int disable;
unsigned int enable;
};
/**
* struct rockchip_chg_det_reg - usb charger detect registers
* @cp_det: charging port detected successfully.
* @dcp_det: dedicated charging port detected successfully.
* @dp_det: assert data pin connect successfully.
* @idm_sink_en: open dm sink curren.
* @idp_sink_en: open dp sink current.
* @idp_src_en: open dm source current.
* @rdm_pdwn_en: open dm pull down resistor.
* @vdm_src_en: open dm voltage source.
* @vdp_src_en: open dp voltage source.
* @chg_mode: set phy in charge detection mode.
*/
struct rockchip_chg_det_reg {
struct usb2phy_reg cp_det;
struct usb2phy_reg dcp_det;
struct usb2phy_reg dp_det;
struct usb2phy_reg idm_sink_en;
struct usb2phy_reg idp_sink_en;
struct usb2phy_reg idp_src_en;
struct usb2phy_reg rdm_pdwn_en;
struct usb2phy_reg vdm_src_en;
struct usb2phy_reg vdp_src_en;
struct usb2phy_reg chg_mode;
};
/**
* struct rockchip_usb2phy_port_cfg - usb-phy port configuration.
* @phy_sus: phy suspend register.
* @pipe_phystatus: select pipe phystatus from grf or phy.
* @bvalid_det_en: vbus valid rise detection enable register.
* @bvalid_det_st: vbus valid rise detection status register.
* @bvalid_det_clr: vbus valid rise detection clear register.
* @bvalid_grf_con: vbus valid software control.
* @bvalid_grf_sel: vbus valid software control select.
* @bvalid_phy_con: vbus valid external select and enable.
* @bypass_dm_en: usb bypass uart DM enable register.
* @bypass_sel: usb bypass uart select register.
* @bypass_iomux: usb bypass uart GRF iomux register.
* @bypass_bc: bypass battery charging module.
* @bypass_otg: bypass otg module.
* @bypass_host: bypass host module.
* @disfall_en: host disconnect fall edge detection enable.
* @disfall_st: host disconnect fall edge detection state.
* @disfall_clr: host disconnect fall edge detection clear.
* @disrise_en: host disconnect rise edge detection enable.
* @disrise_st: host disconnect rise edge detection state.
* @disrise_clr: host disconnect rise edge detection clear.
* @ls_det_en: linestate detection enable register.
* @ls_det_st: linestate detection state register.
* @ls_det_clr: linestate detection clear register.
* @iddig_output: iddig output from grf.
* @iddig_en: utmi iddig select between grf and phy,
* 0: from phy; 1: from grf
* @idfall_det_en: id fall detection enable register.
* @idfall_det_st: id fall detection state register.
* @idfall_det_clr: id fall detection clear register.
* @idrise_det_en: id rise detection enable register.
* @idrise_det_st: id rise detection state register.
* @idrise_det_clr: id rise detection clear register.
* @utmi_avalid: utmi vbus avalid status register.
* @utmi_bvalid: utmi vbus bvalid status register.
* @utmi_iddig: otg port id pin status register.
* @utmi_ls: utmi linestate state register.
* @utmi_hstdet: utmi host disconnect register.
* @vbus_det_en: vbus detect function power down register.
*/
struct rockchip_usb2phy_port_cfg {
struct usb2phy_reg phy_sus;
struct usb2phy_reg pipe_phystatus;
struct usb2phy_reg bvalid_det_en;
struct usb2phy_reg bvalid_det_st;
struct usb2phy_reg bvalid_det_clr;
struct usb2phy_reg bvalid_grf_con;
struct usb2phy_reg bvalid_grf_sel;
struct usb2phy_reg bvalid_phy_con;
struct usb2phy_reg bypass_dm_en;
struct usb2phy_reg bypass_sel;
struct usb2phy_reg bypass_iomux;
struct usb2phy_reg bypass_bc;
struct usb2phy_reg bypass_otg;
struct usb2phy_reg bypass_host;
struct usb2phy_reg disfall_en;
struct usb2phy_reg disfall_st;
struct usb2phy_reg disfall_clr;
struct usb2phy_reg disrise_en;
struct usb2phy_reg disrise_st;
struct usb2phy_reg disrise_clr;
struct usb2phy_reg ls_det_en;
struct usb2phy_reg ls_det_st;
struct usb2phy_reg ls_det_clr;
struct usb2phy_reg iddig_output;
struct usb2phy_reg iddig_en;
struct usb2phy_reg idfall_det_en;
struct usb2phy_reg idfall_det_st;
struct usb2phy_reg idfall_det_clr;
struct usb2phy_reg idrise_det_en;
struct usb2phy_reg idrise_det_st;
struct usb2phy_reg idrise_det_clr;
struct usb2phy_reg utmi_avalid;
struct usb2phy_reg utmi_bvalid;
struct usb2phy_reg utmi_iddig;
struct usb2phy_reg utmi_ls;
struct usb2phy_reg utmi_hstdet;
struct usb2phy_reg vbus_det_en;
};
/**
* struct rockchip_usb2phy_cfg - usb-phy configuration.
* @reg: the address offset of grf for usb-phy config.
* @num_ports: specify how many ports that the phy has.
* @phy_tuning: phy default parameters tuning.
* @vbus_detect: vbus voltage level detection function.
* @clkout_ctl: keep on/turn off output clk of phy.
* @ls_filter_con: set linestate filter time.
* @port_cfgs: usb-phy port configurations.
* @ls_filter_con: set linestate filter time.
* @chg_det: charger detection registers.
*/
struct rockchip_usb2phy_cfg {
unsigned int reg;
unsigned int num_ports;
int (*phy_tuning)(struct rockchip_usb2phy *rphy);
int (*vbus_detect)(struct rockchip_usb2phy *rphy, bool en);
struct usb2phy_reg clkout_ctl;
struct usb2phy_reg ls_filter_con;
const struct rockchip_usb2phy_port_cfg port_cfgs[USB2PHY_NUM_PORTS];
const struct rockchip_chg_det_reg chg_det;
};
/**
* struct rockchip_usb2phy_port - usb-phy port data.
* @phy: generic phy.
* @port_id: flag for otg port or host port.
* @low_power_en: enable enter low power when suspend.
* @perip_connected: flag for periphyeral connect status.
* @prev_iddig: previous otg port id pin status.
* @sel_pipe_phystatus: select pipe phystatus from grf.
* @suspended: phy suspended flag.
* @typec_vbus_det: Type-C otg vbus detect.
* @utmi_avalid: utmi avalid status usage flag.
* true - use avalid to get vbus status
* false - use bvalid to get vbus status
* @vbus_attached: otg device vbus status.
* @vbus_always_on: otg vbus is always powered on.
* @vbus_enabled: vbus regulator status.
* @bypass_uart_en: usb bypass uart enable, passed from DT.
* @host_disconnect: usb host disconnect status.
* @bvalid_irq: IRQ number assigned for vbus valid rise detection.
* @ls_irq: IRQ number assigned for linestate detection.
* @id_irq: IRQ number assigned for id fall or rise detection.
* @otg_mux_irq: IRQ number which multiplex otg-id/otg-bvalid/linestate
* irqs to one irq in otg-port.
* @mutex: for register updating in sm_work.
* @chg_work: charge detect work.
* @bypass_uart_work: usb bypass uart work.
* @otg_sm_work: OTG state machine work.
* @sm_work: HOST state machine work.
* @vbus: vbus regulator supply on few rockchip boards.
* @sw: orientation switch, communicate with TCPM (Type-C Port Manager).
* @port_cfg: port register configuration, assigned by driver data.
* @event_nb: hold event notification callback.
* @state: define OTG enumeration states before device reset.
* @mode: the dr_mode of the controller.
*/
struct rockchip_usb2phy_port {
struct phy *phy;
unsigned int port_id;
bool low_power_en;
bool perip_connected;
bool prev_iddig;
bool sel_pipe_phystatus;
bool suspended;
bool typec_vbus_det;
bool utmi_avalid;
bool vbus_attached;
bool vbus_always_on;
bool vbus_enabled;
bool bypass_uart_en;
bool host_disconnect;
int bvalid_irq;
int ls_irq;
int id_irq;
int otg_mux_irq;
struct mutex mutex;
struct delayed_work bypass_uart_work;
struct delayed_work chg_work;
struct delayed_work otg_sm_work;
struct delayed_work sm_work;
struct regulator *vbus;
struct typec_switch *sw;
const struct rockchip_usb2phy_port_cfg *port_cfg;
struct notifier_block event_nb;
struct wake_lock wakelock;
enum usb_otg_state state;
enum usb_dr_mode mode;
};
/**
* struct rockchip_usb2phy - usb2.0 phy driver data.
* @dev: pointer to device.
* @grf: General Register Files regmap.
* @usbgrf: USB General Register Files regmap.
* @usbctrl_grf: USB Controller General Register Files regmap.
* *phy_base: the base address of USB PHY.
* @phy_reset: phy reset control.
* @clks: array of phy input clocks.
* @clk480m: clock struct of phy output clk.
* @clk480m_hw: clock struct of phy output clk management.
* @num_clks: number of phy input clocks.
* @chg_state: states involved in USB charger detection.
* @chg_type: USB charger types.
* @dcd_retries: The retry count used to track Data contact
* detection process.
* @primary_retries: The retry count used for charger
* detection primary phase.
* @phy_sus_cfg: Store the phy current suspend configuration.
* @edev_self: represent the source of extcon.
* @irq: IRQ number assigned for phy which combined irqs of
* otg port and host port.
* @edev: extcon device for notification registration
* @phy_cfg: phy register configuration, assigned by driver data.
* @ports: phy port instance.
*/
struct rockchip_usb2phy {
struct device *dev;
struct regmap *grf;
struct regmap *usbgrf;
struct regmap *usbctrl_grf;
void __iomem *phy_base;
struct reset_control *phy_reset;
struct clk_bulk_data *clks;
struct clk *clk480m;
struct clk_hw clk480m_hw;
int num_clks;
enum usb_chg_state chg_state;
enum power_supply_type chg_type;
u8 dcd_retries;
u8 primary_retries;
unsigned int phy_sus_cfg;
bool edev_self;
int irq;
struct extcon_dev *edev;
const struct rockchip_usb2phy_cfg *phy_cfg;
struct rockchip_usb2phy_port ports[USB2PHY_NUM_PORTS];
};
static inline struct regmap *get_reg_base(struct rockchip_usb2phy *rphy)
{
return rphy->usbgrf == NULL ? rphy->grf : rphy->usbgrf;
}
static inline int property_enable(struct regmap *base,
const struct usb2phy_reg *reg, bool en)
{
unsigned int val, mask, tmp;
tmp = en ? reg->enable : reg->disable;
mask = GENMASK(reg->bitend, reg->bitstart);
val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT);
return regmap_write(base, reg->offset, val);
}
static inline bool property_enabled(struct regmap *base,
const struct usb2phy_reg *reg)
{
int ret;
unsigned int tmp, orig;
unsigned int mask = GENMASK(reg->bitend, reg->bitstart);
ret = regmap_read(base, reg->offset, &orig);
if (ret)
return false;
tmp = (orig & mask) >> reg->bitstart;
return tmp == reg->enable;
}
static inline void phy_clear_bits(void __iomem *reg, u32 bits)
{
u32 tmp = readl(reg);
tmp &= ~bits;
writel(tmp, reg);
}
static inline void phy_set_bits(void __iomem *reg, u32 bits)
{
u32 tmp = readl(reg);
tmp |= bits;
writel(tmp, reg);
}
static inline void phy_update_bits(void __iomem *reg, u32 mask, u32 val)
{
u32 tmp = readl(reg);
tmp &= ~mask;
tmp |= val & mask;
writel(tmp, reg);
}
static int rockchip_usb2phy_reset(struct rockchip_usb2phy *rphy)
{
int ret;
if (!rphy->phy_reset)
return 0;
ret = reset_control_assert(rphy->phy_reset);
if (ret)
return ret;
udelay(10);
ret = reset_control_deassert(rphy->phy_reset);
if (ret)
return ret;
usleep_range(100, 200);
return 0;
}
static int rockchip_usb2phy_clk480m_prepare(struct clk_hw *hw)
{
struct rockchip_usb2phy *rphy =
container_of(hw, struct rockchip_usb2phy, clk480m_hw);
struct regmap *base = get_reg_base(rphy);
int ret;
/* turn on 480m clk output if it is off */
if (!property_enabled(base, &rphy->phy_cfg->clkout_ctl)) {
ret = property_enable(base, &rphy->phy_cfg->clkout_ctl, true);
if (ret)
return ret;
/* waiting for the clk become stable */
usleep_range(1200, 1300);
}
return 0;
}
static void rockchip_usb2phy_clk480m_unprepare(struct clk_hw *hw)
{
struct rockchip_usb2phy *rphy =
container_of(hw, struct rockchip_usb2phy, clk480m_hw);
struct regmap *base = get_reg_base(rphy);
/* turn off 480m clk output */
property_enable(base, &rphy->phy_cfg->clkout_ctl, false);
}
static int rockchip_usb2phy_clk480m_prepared(struct clk_hw *hw)
{
struct rockchip_usb2phy *rphy =
container_of(hw, struct rockchip_usb2phy, clk480m_hw);
struct regmap *base = get_reg_base(rphy);
return property_enabled(base, &rphy->phy_cfg->clkout_ctl);
}
static unsigned long
rockchip_usb2phy_clk480m_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
return 480000000;
}
static const struct clk_ops rockchip_usb2phy_clkout_ops = {
.prepare = rockchip_usb2phy_clk480m_prepare,
.unprepare = rockchip_usb2phy_clk480m_unprepare,
.is_prepared = rockchip_usb2phy_clk480m_prepared,
.recalc_rate = rockchip_usb2phy_clk480m_recalc_rate,
};
static void rockchip_usb2phy_clk480m_unregister(void *data)
{
struct rockchip_usb2phy *rphy = data;
of_clk_del_provider(rphy->dev->of_node);
clk_unregister(rphy->clk480m);
}
static int
rockchip_usb2phy_clk480m_register(struct rockchip_usb2phy *rphy)
{
struct device_node *node = rphy->dev->of_node;
struct clk_init_data init = {};
struct clk *refclk = of_clk_get_by_name(node, "phyclk");
const char *clk_name;
int ret;
init.flags = 0;
init.name = "clk_usbphy_480m";
init.ops = &rockchip_usb2phy_clkout_ops;
/* optional override of the clockname */
of_property_read_string(node, "clock-output-names", &init.name);
if (!IS_ERR(refclk)) {
clk_name = __clk_get_name(refclk);
init.parent_names = &clk_name;
init.num_parents = 1;
} else {
init.parent_names = NULL;
init.num_parents = 0;
}
rphy->clk480m_hw.init = &init;
/* register the clock */
rphy->clk480m = clk_register(rphy->dev, &rphy->clk480m_hw);
if (IS_ERR(rphy->clk480m)) {
ret = PTR_ERR(rphy->clk480m);
goto err_ret;
}
ret = of_clk_add_provider(node, of_clk_src_simple_get, rphy->clk480m);
if (ret < 0)
goto err_clk_provider;
ret = devm_add_action(rphy->dev, rockchip_usb2phy_clk480m_unregister,
rphy);
if (ret < 0)
goto err_unreg_action;
return 0;
err_unreg_action:
of_clk_del_provider(node);
err_clk_provider:
clk_unregister(rphy->clk480m);
err_ret:
return ret;
}
static int rockchip_usb2phy_extcon_register(struct rockchip_usb2phy *rphy)
{
int ret;
struct device_node *node = rphy->dev->of_node;
struct extcon_dev *edev;
if (of_property_read_bool(node, "extcon")) {
edev = extcon_get_edev_by_phandle(rphy->dev, 0);
if (IS_ERR(edev)) {
if (PTR_ERR(edev) != -EPROBE_DEFER)
dev_err(rphy->dev, "Invalid or missing extcon\n");
return PTR_ERR(edev);
}
} else {
/* Initialize extcon device */
edev = devm_extcon_dev_allocate(rphy->dev,
rockchip_usb2phy_extcon_cable);
if (IS_ERR(edev))
return -ENOMEM;
ret = devm_extcon_dev_register(rphy->dev, edev);
if (ret) {
dev_err(rphy->dev, "failed to register extcon device\n");
return ret;
}
rphy->edev_self = true;
}
rphy->edev = edev;
return 0;
}
/* The caller must hold rport->mutex lock */
static int rockchip_usb2phy_enable_id_irq(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
bool en)
{
int ret;
ret = property_enable(rphy->grf, &rport->port_cfg->idfall_det_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->idfall_det_en, en);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->idrise_det_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->idrise_det_en, en);
out:
return ret;
}
/* The caller must hold rport->mutex lock */
static int rockchip_usb2phy_enable_vbus_irq(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
bool en)
{
int ret;
ret = property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->bvalid_det_en, en);
out:
return ret;
}
static int rockchip_usb2phy_enable_line_irq(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
bool en)
{
int ret;
ret = property_enable(rphy->grf, &rport->port_cfg->ls_det_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->ls_det_en, en);
out:
return ret;
}
static int rockchip_usb2phy_enable_host_disc_irq(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
bool en)
{
int ret;
ret = property_enable(rphy->grf, &rport->port_cfg->disfall_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->disfall_en, en);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->disrise_clr, true);
if (ret)
goto out;
ret = property_enable(rphy->grf, &rport->port_cfg->disrise_en, en);
out:
return ret;
}
static int rockchip_usb_bypass_uart(struct rockchip_usb2phy_port *rport,
bool en)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
const struct usb2phy_reg *iomux = &rport->port_cfg->bypass_iomux;
struct regmap *base = get_reg_base(rphy);
int ret = 0;
mutex_lock(&rport->mutex);
if (en == property_enabled(base, &rport->port_cfg->bypass_sel)) {
dev_info(&rport->phy->dev,
"bypass uart %s is already set\n", en ? "on" : "off");
goto unlock;
}
dev_info(&rport->phy->dev, "bypass uart %s\n", en ? "on" : "off");
if (en) {
/*
* To use UART function:
* 1. Put the USB PHY in suspend mode and opmode is normal;
* 2. Set bypasssel to 1'b1 and bypassdmen to 1'b1;
*
* Note: Although the datasheet requires that put USB PHY
* in non-driving mode to disable resistance when use USB
* bypass UART function, but actually we find that if we
* set phy in non-driving mode, it will cause UART to print
* random codes. So just put USB PHY in normal mode.
*/
ret |= property_enable(base, &rport->port_cfg->bypass_sel,
true);
ret |= property_enable(base, &rport->port_cfg->bypass_dm_en,
true);
/* Some platforms required to set iomux of bypass uart */
if (iomux->offset)
ret |= property_enable(rphy->grf, iomux, true);
} else {
/* just disable bypass, and resume phy in phy power_on later */
ret |= property_enable(base, &rport->port_cfg->bypass_sel,
false);
ret |= property_enable(base, &rport->port_cfg->bypass_dm_en,
false);
/* Some platforms required to set iomux of bypass uart */
if (iomux->offset)
ret |= property_enable(rphy->grf, iomux, false);
}
unlock:
mutex_unlock(&rport->mutex);
return ret;
}
static void rockchip_usb_bypass_uart_work(struct work_struct *work)
{
struct rockchip_usb2phy_port *rport =
container_of(work, struct rockchip_usb2phy_port,
bypass_uart_work.work);
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
bool vbus, iddig;
int ret;
mutex_lock(&rport->mutex);
iddig = property_enabled(rphy->grf, &rport->port_cfg->utmi_iddig);
if (rport->utmi_avalid)
vbus = property_enabled(rphy->grf, &rport->port_cfg->utmi_avalid);
else
vbus = property_enabled(rphy->grf, &rport->port_cfg->utmi_bvalid);
mutex_unlock(&rport->mutex);
/*
* If the vbus is low and iddig is high, it indicates that usb
* otg is not working, then we can enable usb to bypass uart,
* otherwise schedule the work until the conditions (vbus is low
* and iddig is high) are matched.
*/
if (!vbus && iddig) {
ret = rockchip_usb_bypass_uart(rport, true);
if (ret)
dev_warn(&rport->phy->dev,
"failed to enable bypass uart\n");
} else {
schedule_delayed_work(&rport->bypass_uart_work,
BYPASS_SCHEDULE_DELAY);
}
}
static int rockchip_usb2phy_init(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
int ret = 0;
unsigned int ul, ul_mask;
mutex_lock(&rport->mutex);
if (rport->port_id == USB2PHY_PORT_OTG &&
(rport->mode == USB_DR_MODE_PERIPHERAL ||
rport->mode == USB_DR_MODE_OTG)) {
/* clear id status and enable id detect irq */
if (rport->id_irq > 0 || rport->otg_mux_irq > 0 ||
rphy->irq > 0) {
ret = rockchip_usb2phy_enable_id_irq(rphy, rport,
true);
if (ret) {
dev_err(rphy->dev,
"failed to enable id irq\n");
goto out;
}
}
/* clear bvalid status and enable bvalid detect irq */
if ((rport->bvalid_irq > 0 || rport->otg_mux_irq > 0 ||
rphy->irq > 0) && !rport->vbus_always_on) {
ret = rockchip_usb2phy_enable_vbus_irq(rphy, rport,
true);
if (ret) {
dev_err(rphy->dev,
"failed to enable bvalid irq\n");
goto out;
}
schedule_delayed_work(&rport->otg_sm_work,
rport->typec_vbus_det ? 0 : OTG_SCHEDULE_DELAY);
}
} else if (rport->port_id == USB2PHY_PORT_HOST) {
if (rport->port_cfg->disfall_en.offset) {
ret = regmap_read(rphy->grf, rport->port_cfg->utmi_ls.offset, &ul);
if (ret < 0)
goto out;
ul_mask = GENMASK(rport->port_cfg->utmi_ls.bitend,
rport->port_cfg->utmi_ls.bitstart);
rport->host_disconnect = (ul & ul_mask) == 0 ? true : false;
ret = rockchip_usb2phy_enable_host_disc_irq(rphy, rport, true);
if (ret) {
dev_err(rphy->dev, "failed to enable disconnect irq\n");
goto out;
}
}
/* clear linestate and enable linestate detect irq */
ret = rockchip_usb2phy_enable_line_irq(rphy, rport, true);
if (ret) {
dev_err(rphy->dev, "failed to enable linestate irq\n");
goto out;
}
schedule_delayed_work(&rport->sm_work, SCHEDULE_DELAY);
}
out:
mutex_unlock(&rport->mutex);
return ret;
}
static int rockchip_usb2phy_power_on(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
struct regmap *base = get_reg_base(rphy);
int ret;
dev_dbg(&rport->phy->dev, "port power on\n");
if (rport->bypass_uart_en) {
ret = rockchip_usb_bypass_uart(rport, false);
if (ret) {
dev_warn(&rport->phy->dev,
"failed to disable bypass uart\n");
goto exit;
}
}
mutex_lock(&rport->mutex);
if (!rport->suspended) {
ret = 0;
goto unlock;
}
ret = clk_prepare_enable(rphy->clk480m);
if (ret)
goto unlock;
if (rport->sel_pipe_phystatus)
property_enable(rphy->usbctrl_grf,
&rport->port_cfg->pipe_phystatus, true);
ret = property_enable(base, &rport->port_cfg->phy_sus, false);
if (ret)
goto unlock;
/*
* For rk3588, it needs to reset phy when exit from
* suspend mode with common_on_n 1'b1(aka REFCLK_LOGIC,
* Bias, and PLL blocks are powered down) for lower
* power consumption. If you don't want to reset phy,
* please keep the common_on_n 1'b0 to set these blocks
* remain powered.
*/
if (rport->port_id == USB2PHY_PORT_OTG &&
of_device_is_compatible(rphy->dev->of_node, "rockchip,rk3588-usb2phy")) {
ret = rockchip_usb2phy_reset(rphy);
if (ret)
goto unlock;
}
/* waiting for the utmi_clk to become stable */
usleep_range(1500, 2000);
rport->suspended = false;
unlock:
mutex_unlock(&rport->mutex);
/* Enable bypass uart in the bypass_uart_work. */
if (rport->bypass_uart_en)
schedule_delayed_work(&rport->bypass_uart_work, 0);
exit:
return ret;
}
static int rockchip_usb2phy_power_off(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
struct regmap *base = get_reg_base(rphy);
int ret;
dev_dbg(&rport->phy->dev, "port power off\n");
mutex_lock(&rport->mutex);
if (rport->suspended) {
ret = 0;
goto unlock;
}
ret = property_enable(base, &rport->port_cfg->phy_sus, true);
if (ret)
goto unlock;
rport->suspended = true;
clk_disable_unprepare(rphy->clk480m);
unlock:
mutex_unlock(&rport->mutex);
/* Enable bypass uart in the bypass_uart_work. */
if (rport->bypass_uart_en)
schedule_delayed_work(&rport->bypass_uart_work, 0);
return ret;
}
static int rockchip_usb2phy_exit(struct phy *phy)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
if (rport->port_id == USB2PHY_PORT_HOST)
cancel_delayed_work_sync(&rport->sm_work);
else if (rport->port_id == USB2PHY_PORT_OTG &&
rport->otg_sm_work.work.func)
flush_delayed_work(&rport->otg_sm_work);
return 0;
}
static int rockchip_set_vbus_power(struct rockchip_usb2phy_port *rport,
bool en)
{
int ret = 0;
if (!rport->vbus)
return 0;
if (en && !rport->vbus_enabled) {
ret = regulator_enable(rport->vbus);
if (ret)
dev_err(&rport->phy->dev,
"Failed to enable VBUS supply\n");
} else if (!en && rport->vbus_enabled) {
ret = regulator_disable(rport->vbus);
}
if (ret == 0)
rport->vbus_enabled = en;
return ret;
}
static int rockchip_usb2phy_set_mode(struct phy *phy,
enum phy_mode mode, int submode)
{
struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy);
struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent);
bool vbus_det_en;
int ret = 0;
if (rport->port_id != USB2PHY_PORT_OTG)
return ret;
switch (mode) {
case PHY_MODE_USB_OTG:
if (rphy->edev_self && submode) {
if (submode == USB_ROLE_HOST) {
extcon_set_state(rphy->edev, EXTCON_USB_HOST, true);
extcon_set_state(rphy->edev, EXTCON_USB, false);
} else if (submode == USB_ROLE_DEVICE) {
extcon_set_state(rphy->edev, EXTCON_USB_HOST, false);
extcon_set_state(rphy->edev, EXTCON_USB, true);
}
return ret;
}
/*
* In case of using vbus to detect connect state by u2phy,
* enable vbus detect on otg mode.
*/
fallthrough;
case PHY_MODE_USB_DEVICE:
/* Disable VBUS supply */
rockchip_set_vbus_power(rport, false);
extcon_set_state_sync(rphy->edev, EXTCON_USB_VBUS_EN, false);
/* For vbus always on, set EXTCON_USB to true. */
if (rport->vbus_always_on)
extcon_set_state(rphy->edev, EXTCON_USB, true);
rport->perip_connected = true;
vbus_det_en = true;
break;
case PHY_MODE_USB_HOST:
/* Enable VBUS supply */
ret = rockchip_set_vbus_power(rport, true);
if (ret) {
dev_err(&rport->phy->dev,
"Failed to set host mode\n");
return ret;
}
extcon_set_state_sync(rphy->edev, EXTCON_USB_VBUS_EN, true);
/* For vbus always on, deinit EXTCON_USB to false. */
if (rport->vbus_always_on)
extcon_set_state(rphy->edev, EXTCON_USB, false);
rport->perip_connected = false;
fallthrough;
case PHY_MODE_INVALID:
vbus_det_en = false;
break;
default:
dev_info(&rport->phy->dev, "illegal mode\n");
return ret;
}
if (rphy->phy_cfg->vbus_detect)
rphy->phy_cfg->vbus_detect(rphy, vbus_det_en);
else
ret = property_enable(rphy->grf, &rport->port_cfg->vbus_det_en,
vbus_det_en);
return ret;
}
static const struct phy_ops rockchip_usb2phy_ops = {
.init = rockchip_usb2phy_init,
.exit = rockchip_usb2phy_exit,
.power_on = rockchip_usb2phy_power_on,
.power_off = rockchip_usb2phy_power_off,
.set_mode = rockchip_usb2phy_set_mode,
.owner = THIS_MODULE,
};
/* Show & store the current value of otg mode for otg port */
static ssize_t otg_mode_show(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(device);
struct rockchip_usb2phy_port *rport = NULL;
unsigned int index;
for (index = 0; index < rphy->phy_cfg->num_ports; index++) {
rport = &rphy->ports[index];
if (rport->port_id == USB2PHY_PORT_OTG)
break;
}
if (!rport) {
dev_err(rphy->dev, "Fail to get otg port\n");
return -EINVAL;
} else if (rport->port_id != USB2PHY_PORT_OTG) {
dev_err(rphy->dev, "No support otg\n");
return -EINVAL;
}
switch (rport->mode) {
case USB_DR_MODE_HOST:
return sprintf(buf, "host\n");
case USB_DR_MODE_PERIPHERAL:
return sprintf(buf, "peripheral\n");
case USB_DR_MODE_OTG:
return sprintf(buf, "otg\n");
case USB_DR_MODE_UNKNOWN:
return sprintf(buf, "UNKNOWN\n");
}
return -EINVAL;
}
static ssize_t otg_mode_store(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(device);
struct rockchip_usb2phy_port *rport = NULL;
struct regmap *base = get_reg_base(rphy);
enum usb_dr_mode new_dr_mode;
unsigned int index;
int rc = count;
for (index = 0; index < rphy->phy_cfg->num_ports; index++) {
rport = &rphy->ports[index];
if (rport->port_id == USB2PHY_PORT_OTG)
break;
}
if (!rport) {
dev_err(rphy->dev, "Fail to get otg port\n");
rc = -EINVAL;
goto err0;
} else if (rport->port_id != USB2PHY_PORT_OTG ||
rport->mode == USB_DR_MODE_UNKNOWN) {
dev_err(rphy->dev, "No support otg\n");
rc = -EINVAL;
goto err0;
}
mutex_lock(&rport->mutex);
if (!strncmp(buf, "0", 1) || !strncmp(buf, "otg", 3)) {
new_dr_mode = USB_DR_MODE_OTG;
} else if (!strncmp(buf, "1", 1) || !strncmp(buf, "host", 4)) {
new_dr_mode = USB_DR_MODE_HOST;
} else if (!strncmp(buf, "2", 1) || !strncmp(buf, "peripheral", 10)) {
new_dr_mode = USB_DR_MODE_PERIPHERAL;
} else {
dev_err(rphy->dev, "Error mode! Input 'otg' or 'host' or 'peripheral'\n");
rc = -EINVAL;
goto err1;
}
if (rport->mode == new_dr_mode) {
dev_warn(rphy->dev, "Same as current mode\n");
goto err1;
}
rport->mode = new_dr_mode;
switch (rport->mode) {
case USB_DR_MODE_HOST:
rockchip_usb2phy_set_mode(rport->phy, PHY_MODE_USB_HOST, 0);
property_enable(base, &rport->port_cfg->iddig_output, false);
property_enable(base, &rport->port_cfg->iddig_en, true);
break;
case USB_DR_MODE_PERIPHERAL:
rockchip_usb2phy_set_mode(rport->phy, PHY_MODE_USB_DEVICE, 0);
property_enable(base, &rport->port_cfg->iddig_output, true);
property_enable(base, &rport->port_cfg->iddig_en, true);
break;
case USB_DR_MODE_OTG:
rockchip_usb2phy_set_mode(rport->phy, PHY_MODE_USB_OTG, 0);
property_enable(base, &rport->port_cfg->iddig_output, false);
property_enable(base, &rport->port_cfg->iddig_en, false);
break;
default:
break;
}
err1:
mutex_unlock(&rport->mutex);
err0:
return rc;
}
static DEVICE_ATTR_RW(otg_mode);
/* Group all the usb2 phy attributes */
static struct attribute *usb2_phy_attrs[] = {
&dev_attr_otg_mode.attr,
NULL,
};
static struct attribute_group usb2_phy_attr_group = {
.name = NULL, /* we want them in the same directory */
.attrs = usb2_phy_attrs,
};
static void rockchip_usb2phy_otg_sm_work(struct work_struct *work)
{
struct rockchip_usb2phy_port *rport =
container_of(work, struct rockchip_usb2phy_port,
otg_sm_work.work);
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
static unsigned int cable;
unsigned long delay;
bool sch_work;
mutex_lock(&rport->mutex);
if (rport->port_cfg->bvalid_grf_con.enable && rport->typec_vbus_det)
rport->vbus_attached =
property_enabled(rphy->grf, &rport->port_cfg->bvalid_grf_con);
else if (rport->utmi_avalid)
rport->vbus_attached =
property_enabled(rphy->grf, &rport->port_cfg->utmi_avalid);
else
rport->vbus_attached =
property_enabled(rphy->grf, &rport->port_cfg->utmi_bvalid);
sch_work = false;
delay = OTG_SCHEDULE_DELAY;
dev_dbg(&rport->phy->dev, "%s otg sm work\n",
usb_otg_state_string(rport->state));
switch (rport->state) {
case OTG_STATE_UNDEFINED:
rport->state = OTG_STATE_B_IDLE;
if (!rport->vbus_attached) {
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_off(rport->phy);
mutex_lock(&rport->mutex);
}
fallthrough;
case OTG_STATE_B_IDLE:
if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) > 0 ||
extcon_get_state(rphy->edev, EXTCON_USB_VBUS_EN) > 0) {
dev_dbg(&rport->phy->dev, "usb otg host connect\n");
rport->state = OTG_STATE_A_HOST;
rphy->chg_state = USB_CHG_STATE_UNDEFINED;
rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_on(rport->phy);
return;
} else if (rport->vbus_attached) {
dev_dbg(&rport->phy->dev, "vbus_attach\n");
switch (rphy->chg_state) {
case USB_CHG_STATE_UNDEFINED:
mutex_unlock(&rport->mutex);
schedule_delayed_work(&rport->chg_work, 0);
return;
case USB_CHG_STATE_DETECTED:
switch (rphy->chg_type) {
case POWER_SUPPLY_TYPE_USB:
dev_dbg(&rport->phy->dev, "sdp cable is connected\n");
wake_lock(&rport->wakelock);
cable = EXTCON_CHG_USB_SDP;
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_on(rport->phy);
mutex_lock(&rport->mutex);
rport->state = OTG_STATE_B_PERIPHERAL;
rport->perip_connected = true;
sch_work = true;
break;
case POWER_SUPPLY_TYPE_USB_DCP:
dev_dbg(&rport->phy->dev, "dcp cable is connected\n");
cable = EXTCON_CHG_USB_DCP;
sch_work = true;
break;
case POWER_SUPPLY_TYPE_USB_CDP:
dev_dbg(&rport->phy->dev, "cdp cable is connected\n");
wake_lock(&rport->wakelock);
cable = EXTCON_CHG_USB_CDP;
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_on(rport->phy);
mutex_lock(&rport->mutex);
rport->state = OTG_STATE_B_PERIPHERAL;
rport->perip_connected = true;
sch_work = true;
break;
default:
break;
}
break;
default:
break;
}
} else {
rphy->chg_state = USB_CHG_STATE_UNDEFINED;
rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_off(rport->phy);
mutex_lock(&rport->mutex);
}
break;
case OTG_STATE_B_PERIPHERAL:
sch_work = true;
if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) > 0 ||
extcon_get_state(rphy->edev,
EXTCON_USB_VBUS_EN) > 0) {
dev_dbg(&rport->phy->dev, "usb otg host connect\n");
rport->state = OTG_STATE_A_HOST;
rphy->chg_state = USB_CHG_STATE_UNDEFINED;
rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
rport->perip_connected = false;
sch_work = false;
wake_unlock(&rport->wakelock);
} else if (!rport->vbus_attached) {
dev_dbg(&rport->phy->dev, "usb disconnect\n");
rport->state = OTG_STATE_B_IDLE;
rport->perip_connected = false;
rphy->chg_state = USB_CHG_STATE_UNDEFINED;
rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
delay = OTG_SCHEDULE_DELAY;
wake_unlock(&rport->wakelock);
}
break;
case OTG_STATE_A_HOST:
if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) == 0) {
dev_dbg(&rport->phy->dev, "usb otg host disconnect\n");
rport->state = OTG_STATE_B_IDLE;
sch_work = true;
} else {
mutex_unlock(&rport->mutex);
return;
}
break;
default:
mutex_unlock(&rport->mutex);
return;
}
if (extcon_get_state(rphy->edev, cable) != rport->vbus_attached) {
extcon_set_state_sync(rphy->edev,
cable, rport->vbus_attached);
if (!rport->vbus_attached)
cable = EXTCON_NONE;
} else if (rport->state == OTG_STATE_A_HOST &&
extcon_get_state(rphy->edev, cable)) {
/*
* If plug in OTG host cable when the rport state is
* OTG_STATE_B_PERIPHERAL, the vbus voltage will stay
* in high, so the rport->vbus_attached may not be
* changed. We need to set cable state here.
*/
extcon_set_state_sync(rphy->edev, cable, false);
cable = EXTCON_NONE;
}
if (rphy->edev_self &&
(extcon_get_state(rphy->edev, EXTCON_USB) !=
rport->perip_connected)) {
extcon_set_state_sync(rphy->edev,
EXTCON_USB,
rport->perip_connected);
extcon_sync(rphy->edev, EXTCON_USB_HOST);
}
if (sch_work)
schedule_delayed_work(&rport->otg_sm_work, delay);
mutex_unlock(&rport->mutex);
}
static const char *chg_to_string(enum power_supply_type chg_type)
{
switch (chg_type) {
case POWER_SUPPLY_TYPE_USB:
return "USB_SDP_CHARGER";
case POWER_SUPPLY_TYPE_USB_DCP:
return "USB_DCP_CHARGER";
case POWER_SUPPLY_TYPE_USB_CDP:
return "USB_CDP_CHARGER";
default:
return "INVALID_CHARGER";
}
}
static void rockchip_chg_enable_dcd(struct rockchip_usb2phy *rphy,
bool en)
{
struct regmap *base = get_reg_base(rphy);
property_enable(base, &rphy->phy_cfg->chg_det.rdm_pdwn_en, en);
property_enable(base, &rphy->phy_cfg->chg_det.idp_src_en, en);
}
static void rockchip_chg_enable_primary_det(struct rockchip_usb2phy *rphy,
bool en)
{
struct regmap *base = get_reg_base(rphy);
property_enable(base, &rphy->phy_cfg->chg_det.vdp_src_en, en);
property_enable(base, &rphy->phy_cfg->chg_det.idm_sink_en, en);
}
static void rockchip_chg_enable_secondary_det(struct rockchip_usb2phy *rphy,
bool en)
{
struct regmap *base = get_reg_base(rphy);
property_enable(base, &rphy->phy_cfg->chg_det.vdm_src_en, en);
property_enable(base, &rphy->phy_cfg->chg_det.idp_sink_en, en);
}
#define CHG_DCD_POLL_TIME (100 * HZ / 1000)
#define CHG_DCD_MAX_RETRIES 6
#define CHG_PRIMARY_DET_TIME (40 * HZ / 1000)
#define CHG_SECONDARY_DET_TIME (40 * HZ / 1000)
static void rockchip_chg_detect_work(struct work_struct *work)
{
struct rockchip_usb2phy_port *rport =
container_of(work, struct rockchip_usb2phy_port, chg_work.work);
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
struct regmap *base = get_reg_base(rphy);
const struct usb2phy_reg *phy_sus_reg;
bool is_dcd, tmout, vout;
unsigned long delay;
unsigned int mask;
int ret;
dev_dbg(&rport->phy->dev, "chg detection work state = %d\n",
rphy->chg_state);
/*
* The conditions for charger detection:
* 1. Set the PHY in normal mode to keep the UTMI_CLK on.
* 2. Set the utmi_opmode in non-driving mode.
* 3. Set the utmi_xcvrselect to FS speed.
* 4. Set the utmi_termselect to FS speed.
* 5. Enable the DP/DM pulldown resistor.
*/
switch (rphy->chg_state) {
case USB_CHG_STATE_UNDEFINED:
mutex_lock(&rport->mutex);
/* Store the PHY current suspend configuration */
phy_sus_reg = &rport->port_cfg->phy_sus;
ret = regmap_read(base, phy_sus_reg->offset,
&rphy->phy_sus_cfg);
if (ret) {
dev_err(&rport->phy->dev,
"Fail to read phy_sus reg offset 0x%x, ret %d\n",
phy_sus_reg->offset, ret);
mutex_unlock(&rport->mutex);
return;
}
/* Set the PHY in charger detection mode */
property_enable(base, &rphy->phy_cfg->chg_det.chg_mode, true);
/* Start DCD processing stage 1 */
rockchip_chg_enable_dcd(rphy, true);
rphy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;
rphy->dcd_retries = 0;
rphy->primary_retries = 0;
delay = CHG_DCD_POLL_TIME;
break;
case USB_CHG_STATE_WAIT_FOR_DCD:
/* get data contact detection status */
is_dcd = property_enabled(rphy->grf,
&rphy->phy_cfg->chg_det.dp_det);
tmout = ++rphy->dcd_retries == CHG_DCD_MAX_RETRIES;
/* stage 2 */
if (is_dcd || tmout) {
/* stage 4 */
/* Turn off DCD circuitry */
rockchip_chg_enable_dcd(rphy, false);
/* Voltage Source on DP, Probe on DM */
rockchip_chg_enable_primary_det(rphy, true);
delay = CHG_PRIMARY_DET_TIME;
rphy->chg_state = USB_CHG_STATE_DCD_DONE;
} else {
/* stage 3 */
delay = CHG_DCD_POLL_TIME;
}
break;
case USB_CHG_STATE_DCD_DONE:
vout = property_enabled(rphy->grf,
&rphy->phy_cfg->chg_det.cp_det);
rockchip_chg_enable_primary_det(rphy, false);
if (vout) {
/* Voltage Source on DM, Probe on DP */
rockchip_chg_enable_secondary_det(rphy, true);
delay = CHG_SECONDARY_DET_TIME;
rphy->chg_state = USB_CHG_STATE_PRIMARY_DONE;
} else {
if (rphy->dcd_retries == CHG_DCD_MAX_RETRIES) {
/* floating charger found */
rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;
rphy->chg_state = USB_CHG_STATE_DETECTED;
delay = 0;
} else {
if (rphy->primary_retries < 2) {
/* Turn off DCD circuitry */
rockchip_chg_enable_dcd(rphy, false);
/* Voltage Source on DP, Probe on DM */
rockchip_chg_enable_primary_det(rphy,
true);
delay = CHG_PRIMARY_DET_TIME;
rphy->chg_state =
USB_CHG_STATE_DCD_DONE;
rphy->primary_retries++;
/* break USB_CHG_STATE_DCD_DONE */
break;
}
rphy->chg_type = POWER_SUPPLY_TYPE_USB;
rphy->chg_state = USB_CHG_STATE_DETECTED;
delay = 0;
}
}
break;
case USB_CHG_STATE_PRIMARY_DONE:
vout = property_enabled(rphy->grf,
&rphy->phy_cfg->chg_det.dcp_det);
/* Turn off voltage source */
rockchip_chg_enable_secondary_det(rphy, false);
if (vout)
rphy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;
else
rphy->chg_type = POWER_SUPPLY_TYPE_USB_CDP;
fallthrough;
case USB_CHG_STATE_SECONDARY_DONE:
rphy->chg_state = USB_CHG_STATE_DETECTED;
fallthrough;
case USB_CHG_STATE_DETECTED:
if (rphy->phy_cfg->chg_det.chg_mode.offset !=
rport->port_cfg->phy_sus.offset)
property_enable(base, &rphy->phy_cfg->chg_det.chg_mode, false);
/* Restore the PHY suspend configuration */
phy_sus_reg = &rport->port_cfg->phy_sus;
mask = GENMASK(phy_sus_reg->bitend, phy_sus_reg->bitstart);
ret = regmap_write(base, phy_sus_reg->offset,
(rphy->phy_sus_cfg | (mask << BIT_WRITEABLE_SHIFT)));
if (ret)
dev_err(&rport->phy->dev,
"Fail to set phy_sus reg offset 0x%x, ret %d\n",
phy_sus_reg->offset, ret);
mutex_unlock(&rport->mutex);
rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
dev_dbg(&rport->phy->dev, "charger = %s\n",
chg_to_string(rphy->chg_type));
return;
default:
mutex_unlock(&rport->mutex);
return;
}
/*
* Hold the mutex lock during the whole charger
* detection stage, and release it after detect
* the charger type.
*/
schedule_delayed_work(&rport->chg_work, delay);
}
/*
* The function manage host-phy port state and suspend/resume phy port
* to save power.
*
* we rely on utmi_linestate and utmi_hostdisconnect to identify whether
* devices is disconnect or not. Besides, we do not need care it is FS/LS
* disconnected or HS disconnected, actually, we just only need get the
* device is disconnected at last through rearm the delayed work,
* to suspend the phy port in _PHY_STATE_DISCONNECT_ case.
*
* NOTE: It may invoke *phy_powr_off or *phy_power_on which will invoke
* some clk related APIs, so do not invoke it from interrupt context directly.
*/
static void rockchip_usb2phy_sm_work(struct work_struct *work)
{
struct rockchip_usb2phy_port *rport =
container_of(work, struct rockchip_usb2phy_port, sm_work.work);
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
unsigned int sh, ul, uhd, state;
unsigned int ul_mask, uhd_mask;
int ret;
if (!rport->port_cfg->utmi_ls.offset ||
(!rport->port_cfg->utmi_hstdet.offset &&
!rport->port_cfg->disfall_en.offset)) {
dev_dbg(&rport->phy->dev, "some property may not be specified\n");
return;
}
mutex_lock(&rport->mutex);
ret = regmap_read(rphy->grf, rport->port_cfg->utmi_ls.offset, &ul);
if (ret < 0)
goto next_schedule;
ul_mask = GENMASK(rport->port_cfg->utmi_ls.bitend,
rport->port_cfg->utmi_ls.bitstart);
if (rport->port_cfg->utmi_hstdet.offset) {
ret = regmap_read(rphy->grf, rport->port_cfg->utmi_hstdet.offset, &uhd);
if (ret < 0)
goto next_schedule;
uhd_mask = GENMASK(rport->port_cfg->utmi_hstdet.bitend,
rport->port_cfg->utmi_hstdet.bitstart);
sh = rport->port_cfg->utmi_hstdet.bitend -
rport->port_cfg->utmi_hstdet.bitstart + 1;
/* stitch on utmi_ls and utmi_hstdet as phy state */
state = ((uhd & uhd_mask) >> rport->port_cfg->utmi_hstdet.bitstart) |
(((ul & ul_mask) >> rport->port_cfg->utmi_ls.bitstart) << sh);
} else {
state = ((ul & ul_mask) >> rport->port_cfg->utmi_ls.bitstart) << 1 |
rport->host_disconnect;
}
switch (state) {
case PHY_STATE_HS_ONLINE:
dev_dbg(&rport->phy->dev, "HS online\n");
break;
case PHY_STATE_FS_LS_ONLINE:
/*
* For FS/LS device, the online state share with connect state
* from utmi_ls and utmi_hstdet register, so we distinguish
* them via suspended flag.
*
* Plus, there are two cases, one is D- Line pull-up, and D+
* line pull-down, the state is 4; another is D+ line pull-up,
* and D- line pull-down, the state is 2.
*/
if (!rport->suspended) {
/* D- line pull-up, D+ line pull-down */
dev_dbg(&rport->phy->dev, "FS/LS online\n");
break;
}
fallthrough;
case PHY_STATE_CONNECT:
if (rport->suspended) {
dev_dbg(&rport->phy->dev, "Connected\n");
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_on(rport->phy);
mutex_lock(&rport->mutex);
rport->suspended = false;
} else {
/* D+ line pull-up, D- line pull-down */
dev_dbg(&rport->phy->dev, "FS/LS online\n");
}
break;
case PHY_STATE_DISCONNECT:
if (!rport->suspended) {
dev_dbg(&rport->phy->dev, "Disconnected\n");
mutex_unlock(&rport->mutex);
rockchip_usb2phy_power_off(rport->phy);
mutex_lock(&rport->mutex);
rport->suspended = true;
}
/*
* activate the linestate detection to get the next device
* plug-in irq.
*/
rockchip_usb2phy_enable_line_irq(rphy, rport, true);
/*
* we don't need to rearm the delayed work when the phy port
* is suspended.
*/
mutex_unlock(&rport->mutex);
return;
default:
dev_dbg(&rport->phy->dev, "unknown phy state %d\n", state);
break;
}
next_schedule:
mutex_unlock(&rport->mutex);
schedule_delayed_work(&rport->sm_work, SCHEDULE_DELAY);
}
static irqreturn_t rockchip_usb2phy_linestate_irq(int irq, void *data)
{
struct rockchip_usb2phy_port *rport = data;
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
if (!property_enabled(rphy->grf, &rport->port_cfg->ls_det_st) ||
!property_enabled(rphy->grf, &rport->port_cfg->ls_det_en))
return IRQ_NONE;
dev_dbg(&rport->phy->dev, "linestate interrupt\n");
mutex_lock(&rport->mutex);
/* disable linestate detect irq and clear its status */
rockchip_usb2phy_enable_line_irq(rphy, rport, false);
/*
* For host port, it may miss disc irq when device is connected,
* in this case, we can clear host_disconnect state depend on
* the linestate irq.
*/
if (rport->port_id == USB2PHY_PORT_HOST && rport->port_cfg->disfall_en.offset)
rport->host_disconnect = false;
mutex_unlock(&rport->mutex);
/*
* In this case for host phy port, a new device is plugged in,
* meanwhile, if the phy port is suspended, we need rearm the work to
* resume it and mange its states; otherwise, we do nothing about that.
*/
if (rport->suspended && rport->port_id == USB2PHY_PORT_HOST)
rockchip_usb2phy_sm_work(&rport->sm_work.work);
return IRQ_HANDLED;
}
static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data)
{
struct rockchip_usb2phy_port *rport = data;
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
if (!property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st))
return IRQ_NONE;
mutex_lock(&rport->mutex);
/* clear bvalid detect irq pending status */
property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true);
mutex_unlock(&rport->mutex);
if (rport->bypass_uart_en)
rockchip_usb_bypass_uart(rport, false);
if (rport->otg_sm_work.work.func) {
cancel_delayed_work_sync(&rport->otg_sm_work);
rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
}
return IRQ_HANDLED;
}
static irqreturn_t rockchip_usb2phy_id_irq(int irq, void *data)
{
struct rockchip_usb2phy_port *rport = data;
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
bool cable_vbus_state = false;
if (!property_enabled(rphy->grf, &rport->port_cfg->idfall_det_st) &&
!property_enabled(rphy->grf, &rport->port_cfg->idrise_det_st))
return IRQ_NONE;
mutex_lock(&rport->mutex);
/* clear id fall or rise detect irq pending status */
if (property_enabled(rphy->grf, &rport->port_cfg->idfall_det_st)) {
property_enable(rphy->grf, &rport->port_cfg->idfall_det_clr,
true);
cable_vbus_state = true;
} else if (property_enabled(rphy->grf, &rport->port_cfg->idrise_det_st)) {
property_enable(rphy->grf, &rport->port_cfg->idrise_det_clr,
true);
cable_vbus_state = false;
}
extcon_set_state(rphy->edev, EXTCON_USB_HOST, cable_vbus_state);
extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, cable_vbus_state);
extcon_sync(rphy->edev, EXTCON_USB_HOST);
extcon_sync(rphy->edev, EXTCON_USB_VBUS_EN);
rockchip_set_vbus_power(rport, cable_vbus_state);
mutex_unlock(&rport->mutex);
return IRQ_HANDLED;
}
static irqreturn_t rockchip_usb2phy_host_disc_irq(int irq, void *data)
{
struct rockchip_usb2phy_port *rport = data;
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
if (!property_enabled(rphy->grf, &rport->port_cfg->disfall_st) &&
!property_enabled(rphy->grf, &rport->port_cfg->disrise_st))
return IRQ_NONE;
mutex_lock(&rport->mutex);
/* clear disconnect fall or rise detect irq pending status */
if (property_enabled(rphy->grf, &rport->port_cfg->disfall_st)) {
property_enable(rphy->grf, &rport->port_cfg->disfall_clr,
true);
rport->host_disconnect = false;
} else if (property_enabled(rphy->grf, &rport->port_cfg->disrise_st)) {
property_enable(rphy->grf, &rport->port_cfg->disrise_clr,
true);
rport->host_disconnect = true;
}
mutex_unlock(&rport->mutex);
return IRQ_HANDLED;
}
static irqreturn_t rockchip_usb2phy_otg_mux_irq(int irq, void *data)
{
irqreturn_t ret = IRQ_NONE;
ret = rockchip_usb2phy_id_irq(irq, data);
ret |= rockchip_usb2phy_bvalid_irq(irq, data);
ret |= rockchip_usb2phy_linestate_irq(irq, data);
return ret;
}
static irqreturn_t rockchip_usb2phy_irq(int irq, void *data)
{
struct rockchip_usb2phy *rphy = data;
struct rockchip_usb2phy_port *rport;
irqreturn_t ret = IRQ_NONE;
unsigned int index;
bool force_mode;
for (index = 0; index < rphy->phy_cfg->num_ports; index++) {
rport = &rphy->ports[index];
if (!rport->phy)
continue;
/*
* Handle disc irq before linestate irq to set the disc
* state for sm work scheduled in the linestate irq handler.
*/
if (rport->port_id == USB2PHY_PORT_HOST &&
rport->port_cfg->disfall_en.offset)
ret |= rockchip_usb2phy_host_disc_irq(irq, rport);
/* Handle linestate irq for both otg port and host port */
ret |= rockchip_usb2phy_linestate_irq(irq, rport);
/*
* Handle bvalid irq and id irq for otg port which
* is assigned to otg controller.
*/
if (rport->port_id == USB2PHY_PORT_OTG &&
rport->mode != USB_DR_MODE_UNKNOWN) {
if (rport->mode == USB_DR_MODE_HOST) {
/*
* If otg port work as usb host mode and
* force_mode is true, it means that the
* otg port is forced to host mode by the
* grf plug iddig indicator via the sys
* interface "otg_mode". We need to handle
* the bvalid irq and id irq in this case.
*/
force_mode = property_enabled(rphy->grf,
&rport->port_cfg->iddig_en);
if (!force_mode)
continue;
}
if (!rport->vbus_always_on)
ret |= rockchip_usb2phy_bvalid_irq(irq, rport);
ret |= rockchip_usb2phy_id_irq(irq, rport);
}
}
return ret;
}
static int rockchip_usb2phy_port_irq_init(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
struct device_node *child_np)
{
int ret;
/*
* If the usb2 phy used combined irq for otg and host port,
* don't need to init otg and host port irq separately.
*/
if (rphy->irq > 0)
return 0;
/*
* Some SoCs (e.g. RV1108) use one combined irq for all of
* the irqs of otg port. So probe the otg-mux interrupt first,
* if not found, then init the regular irqs one by one.
*/
rport->otg_mux_irq = of_irq_get_byname(child_np, "otg-mux");
if (rport->otg_mux_irq > 0) {
ret = devm_request_threaded_irq(rphy->dev, rport->otg_mux_irq,
NULL,
rockchip_usb2phy_otg_mux_irq,
IRQF_ONESHOT,
"rockchip_usb2phy_otg",
rport);
if (ret)
dev_err(rphy->dev,
"failed to request otg-mux irq handle\n");
return ret;
}
/* Init linestate irq for both otg port and host port */
rport->ls_irq = of_irq_get_byname(child_np, "linestate");
if (rport->ls_irq <= 0) {
dev_err(rphy->dev, "no linestate irq provided\n");
return -EINVAL;
}
ret = devm_request_threaded_irq(rphy->dev, rport->ls_irq, NULL,
rockchip_usb2phy_linestate_irq,
IRQF_ONESHOT,
"rockchip_usb2phy_ls", rport);
if (ret) {
dev_err(rphy->dev, "failed to request linestate irq handle\n");
return ret;
}
/*
* If it's host port or it's otg port but only support
* host mode, return immediately without init the bvalid
* and id irqs/
*/
if (rport->port_id == USB2PHY_PORT_HOST ||
rport->mode == USB_DR_MODE_HOST ||
rport->mode == USB_DR_MODE_UNKNOWN)
return ret;
/* Init the bvalid irq for otg port */
if (!rport->vbus_always_on) {
rport->bvalid_irq = of_irq_get_byname(child_np,
"otg-bvalid");
if (rport->bvalid_irq <= 0) {
dev_err(rphy->dev, "no bvalid irq provided\n");
return -EINVAL;
}
ret = devm_request_threaded_irq(rphy->dev,
rport->bvalid_irq,
NULL,
rockchip_usb2phy_bvalid_irq,
IRQF_ONESHOT,
"rockchip_usb2phy_bvalid",
rport);
if (ret) {
dev_err(rphy->dev,
"failed to request otg-bvalid irq handle\n");
return ret;
}
}
/* Init the id irq for otg port */
if (rphy->edev_self) {
rport->id_irq = of_irq_get_byname(child_np, "otg-id");
if (rport->id_irq <= 0) {
dev_err(rphy->dev, "no otg id irq provided\n");
return -EINVAL;
}
ret = devm_request_threaded_irq(rphy->dev,
rport->id_irq, NULL,
rockchip_usb2phy_id_irq,
IRQF_ONESHOT,
"rockchip_usb2phy_id",
rport);
if (ret) {
dev_err(rphy->dev,
"failed to request otg-id irq handle\n");
return ret;
}
}
return ret;
}
static void rockchip_usb2phy_usb_bvalid_enable(struct rockchip_usb2phy_port *rport,
u8 enable)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent);
const struct rockchip_usb2phy_port_cfg *cfg = rport->port_cfg;
if (cfg->bvalid_phy_con.enable)
property_enable(rphy->grf, &cfg->bvalid_phy_con, enable);
if (cfg->bvalid_grf_con.enable)
property_enable(rphy->grf, &cfg->bvalid_grf_con, enable);
}
static int rockchip_usb2phy_orien_sw_set(struct typec_switch *sw,
enum typec_orientation orien)
{
struct rockchip_usb2phy_port *rport = typec_switch_get_drvdata(sw);
dev_dbg(&rport->phy->dev, "type-c orientation: %d\n", orien);
mutex_lock(&rport->mutex);
rockchip_usb2phy_usb_bvalid_enable(rport, orien != TYPEC_ORIENTATION_NONE);
mutex_unlock(&rport->mutex);
return 0;
}
static int
rockchip_usb2phy_setup_orien_switch(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport)
{
struct typec_switch_desc sw_desc = { };
struct device *dev = rphy->dev;
sw_desc.drvdata = rport;
sw_desc.fwnode = dev_fwnode(dev);
sw_desc.set = rockchip_usb2phy_orien_sw_set;
rport->sw = typec_switch_register(dev, &sw_desc);
if (IS_ERR(rport->sw)) {
dev_err(dev, "Error register typec orientation switch: %ld\n",
PTR_ERR(rport->sw));
return PTR_ERR(rport->sw);
}
return 0;
}
static void rockchip_usb2phy_orien_switch_unregister(void *data)
{
struct rockchip_usb2phy_port *rport = data;
typec_switch_unregister(rport->sw);
}
static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
struct device_node *child_np)
{
int ret;
struct regmap *base = get_reg_base(rphy);
rport->port_id = USB2PHY_PORT_HOST;
rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_HOST];
/* enter lower power state when suspend */
rport->low_power_en =
of_property_read_bool(child_np, "rockchip,low-power-mode");
mutex_init(&rport->mutex);
INIT_DELAYED_WORK(&rport->sm_work, rockchip_usb2phy_sm_work);
ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np);
if (ret) {
dev_err(rphy->dev, "failed to init irq for host port\n");
return ret;
}
/*
* Let us put phy-port into suspend mode here for saving power
* consumption, and usb controller will resume it during probe
* time if needed.
*/
ret = property_enable(base, &rport->port_cfg->phy_sus, true);
if (ret)
return ret;
rport->suspended = true;
return 0;
}
static int rockchip_otg_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct rockchip_usb2phy_port *rport =
container_of(nb, struct rockchip_usb2phy_port, event_nb);
schedule_delayed_work(&rport->otg_sm_work, OTG_SCHEDULE_DELAY);
return NOTIFY_DONE;
}
static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
struct device_node *child_np)
{
int ret;
int iddig;
struct regmap *base = get_reg_base(rphy);
rport->port_id = USB2PHY_PORT_OTG;
rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
rport->state = OTG_STATE_UNDEFINED;
rport->vbus_attached = false;
rport->vbus_enabled = false;
rport->perip_connected = false;
rport->prev_iddig = true;
mutex_init(&rport->mutex);
/* bypass uart function is only used in debug stage. */
rport->bypass_uart_en =
of_property_read_bool(child_np, "rockchip,bypass-uart");
rport->vbus_always_on =
of_property_read_bool(child_np, "rockchip,vbus-always-on");
rport->utmi_avalid =
of_property_read_bool(child_np, "rockchip,utmi-avalid");
/* enter lower power state when suspend */
rport->low_power_en =
of_property_read_bool(child_np, "rockchip,low-power-mode");
/* For type-c with vbus_det always pull up */
rport->typec_vbus_det =
of_property_read_bool(child_np, "rockchip,typec-vbus-det");
rport->sel_pipe_phystatus =
of_property_read_bool(child_np, "rockchip,sel-pipe-phystatus");
if (rport->sel_pipe_phystatus) {
rphy->usbctrl_grf =
syscon_regmap_lookup_by_phandle(rphy->dev->of_node,
"rockchip,usbctrl-grf");
if (IS_ERR(rphy->usbctrl_grf)) {
dev_err(rphy->dev, "Failed to map usbctrl-grf\n");
return PTR_ERR(rphy->usbctrl_grf);
}
}
/* Get Vbus regulators */
rport->vbus = devm_regulator_get_optional(&rport->phy->dev, "vbus");
if (IS_ERR(rport->vbus)) {
ret = PTR_ERR(rport->vbus);
if (ret == -EPROBE_DEFER)
return ret;
if (rport->mode == USB_DR_MODE_OTG)
dev_warn(&rport->phy->dev, "No vbus specified for otg port\n");
rport->vbus = NULL;
}
rport->mode = of_usb_get_dr_mode_by_phy(child_np, -1);
iddig = property_enabled(rphy->grf, &rport->port_cfg->utmi_iddig);
if (rphy->edev_self && (rport->mode == USB_DR_MODE_HOST ||
rport->mode == USB_DR_MODE_UNKNOWN || !iddig)) {
/* Enable VBUS supply for otg port */
extcon_set_state(rphy->edev, EXTCON_USB, false);
extcon_set_state(rphy->edev, EXTCON_USB_HOST, true);
extcon_set_state(rphy->edev, EXTCON_USB_VBUS_EN, true);
ret = rockchip_set_vbus_power(rport, true);
if (ret)
return ret;
}
ret = rockchip_usb2phy_port_irq_init(rphy, rport, child_np);
if (ret) {
dev_err(rphy->dev, "failed to init irq for otg port\n");
return ret;
}
if (IS_REACHABLE(CONFIG_TYPEC) &&
device_property_present(rphy->dev, "orientation-switch")) {
ret = rockchip_usb2phy_setup_orien_switch(rphy, rport);
if (ret)
return ret;
ret = devm_add_action_or_reset(rphy->dev,
rockchip_usb2phy_orien_switch_unregister,
rport);
if (ret)
return ret;
}
/*
* Set the utmi bvalid come from the usb phy or grf.
* For most of Rockchip SoCs, them have VBUSDET pin
* for the usb phy to detect the USB VBUS and set
* the bvalid signal, so select the bvalid from the
* usb phy by default. And for those SoCs which don't
* have VBUSDET pin (e.g. RV1103), it needs to select
* the bvaid from the grf and set bvalid to be valid
* (high) by default.
*/
if (rport->port_cfg->bvalid_grf_sel.enable != 0) {
if (of_machine_is_compatible("rockchip,rv1103"))
property_enable(base, &rport->port_cfg->bvalid_grf_sel, true);
else
property_enable(base, &rport->port_cfg->bvalid_grf_sel, false);
}
if (rport->vbus_always_on)
extcon_set_state(rphy->edev, EXTCON_USB, true);
if (rport->vbus_always_on || rport->mode == USB_DR_MODE_HOST ||
rport->mode == USB_DR_MODE_UNKNOWN)
goto out;
wake_lock_init(&rport->wakelock, WAKE_LOCK_SUSPEND, "rockchip_otg");
INIT_DELAYED_WORK(&rport->bypass_uart_work,
rockchip_usb_bypass_uart_work);
INIT_DELAYED_WORK(&rport->chg_work, rockchip_chg_detect_work);
INIT_DELAYED_WORK(&rport->otg_sm_work, rockchip_usb2phy_otg_sm_work);
if (!IS_ERR(rphy->edev)) {
rport->event_nb.notifier_call = rockchip_otg_event;
ret = devm_extcon_register_notifier(rphy->dev, rphy->edev,
EXTCON_USB_HOST, &rport->event_nb);
if (ret) {
dev_err(rphy->dev, "register USB HOST notifier failed\n");
goto err;
}
}
out:
/*
* Let us put phy-port into suspend mode here for saving power
* consumption, and usb controller will resume it during probe
* time if needed.
*/
ret = property_enable(base, &rport->port_cfg->phy_sus, true);
if (ret)
return ret;
rport->suspended = true;
return 0;
err:
wake_lock_destroy(&rport->wakelock);
return ret;
}
static int rockchip_usb2phy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device_node *child_np;
struct phy_provider *provider;
struct rockchip_usb2phy *rphy;
struct resource *res;
const struct rockchip_usb2phy_cfg *phy_cfgs;
const struct of_device_id *match;
unsigned int reg;
unsigned int index;
int ret;
rphy = devm_kzalloc(dev, sizeof(*rphy), GFP_KERNEL);
if (!rphy)
return -ENOMEM;
match = of_match_device(dev->driver->of_match_table, dev);
if (!match || !match->data) {
dev_err(dev, "phy configs are not assigned!\n");
return -EINVAL;
}
if (!dev->parent || !dev->parent->of_node) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "missing memory resource\n");
return -ENODEV;
}
rphy->phy_base = devm_ioremap_resource(dev, res);
if (IS_ERR(rphy->phy_base))
return PTR_ERR(rphy->phy_base);
rphy->grf = syscon_regmap_lookup_by_phandle(np,
"rockchip,usbgrf");
if (IS_ERR(rphy->grf))
return PTR_ERR(rphy->grf);
reg = res->start;
} else {
rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(rphy->grf))
return PTR_ERR(rphy->grf);
if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) {
rphy->usbgrf =
syscon_regmap_lookup_by_phandle(dev->of_node,
"rockchip,usbgrf");
if (IS_ERR(rphy->usbgrf))
return PTR_ERR(rphy->usbgrf);
} else {
rphy->usbgrf = NULL;
}
if (of_property_read_u32(np, "reg", ®)) {
dev_err(dev, "missing reg property in %s node\n",
np->name);
return -EINVAL;
}
}
rphy->dev = dev;
phy_cfgs = match->data;
rphy->chg_state = USB_CHG_STATE_UNDEFINED;
rphy->chg_type = POWER_SUPPLY_TYPE_UNKNOWN;
rphy->edev_self = false;
rphy->irq = platform_get_irq(pdev, 0);
platform_set_drvdata(pdev, rphy);
ret = rockchip_usb2phy_extcon_register(rphy);
if (ret)
return ret;
/* find out a proper config which can be matched with dt. */
index = 0;
do {
if (phy_cfgs[index].reg == reg) {
rphy->phy_cfg = &phy_cfgs[index];
break;
}
++index;
} while (phy_cfgs[index].reg);
if (!rphy->phy_cfg) {
dev_err(dev, "no phy-config can be matched with %pOFn node\n",
np);
return -EINVAL;
}
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
rphy->phy_reset = devm_reset_control_get_optional(dev, "phy");
if (IS_ERR(rphy->phy_reset))
return PTR_ERR(rphy->phy_reset);
ret = devm_clk_bulk_get_all(dev, &rphy->clks);
if (ret == -EPROBE_DEFER)
return ret;
/* Clocks are optional */
if (ret < 0)
rphy->num_clks = 0;
else
rphy->num_clks = ret;
ret = clk_bulk_prepare_enable(rphy->num_clks, rphy->clks);
if (ret)
return ret;
if (rphy->phy_cfg->phy_tuning) {
ret = rphy->phy_cfg->phy_tuning(rphy);
if (ret)
goto disable_clks;
}
index = 0;
for_each_available_child_of_node(np, child_np) {
struct rockchip_usb2phy_port *rport = &rphy->ports[index];
struct phy *phy;
/* This driver aims to support both otg-port and host-port */
if (!of_node_name_eq(child_np, "host-port") &&
!of_node_name_eq(child_np, "otg-port"))
goto next_child;
phy = devm_phy_create(dev, child_np, &rockchip_usb2phy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
ret = PTR_ERR(phy);
goto put_child;
}
rport->phy = phy;
phy_set_drvdata(rport->phy, rport);
/* initialize otg/host port separately */
if (of_node_name_eq(child_np, "host-port")) {
ret = rockchip_usb2phy_host_port_init(rphy, rport,
child_np);
if (ret)
goto put_child;
} else {
ret = rockchip_usb2phy_otg_port_init(rphy, rport,
child_np);
if (ret)
goto put_child;
}
next_child:
/* to prevent out of boundary */
if (++index >= rphy->phy_cfg->num_ports)
break;
}
provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
if (IS_ERR(provider)) {
dev_err(dev, "Failed to register phy provider\n");
ret = PTR_ERR(provider);
goto put_child;
}
/* Attributes */
ret = sysfs_create_group(&dev->kobj, &usb2_phy_attr_group);
if (ret) {
dev_err(dev, "Cannot create sysfs group: %d\n", ret);
goto put_child;
}
ret = rockchip_usb2phy_clk480m_register(rphy);
if (ret) {
dev_err(dev, "failed to register 480m output clock\n");
goto put_child;
}
if (rphy->irq > 0) {
ret = devm_request_threaded_irq(rphy->dev, rphy->irq, NULL,
rockchip_usb2phy_irq,
IRQF_ONESHOT,
"rockchip_usb2phy",
rphy);
if (ret) {
dev_err(rphy->dev,
"failed to request usb2 phy irq handle\n");
goto put_child;
}
}
if (of_property_read_bool(np, "wakeup-source"))
device_init_wakeup(rphy->dev, true);
else
device_init_wakeup(rphy->dev, false);
return 0;
put_child:
of_node_put(child_np);
disable_clks:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
clk_bulk_disable_unprepare(rphy->num_clks, rphy->clks);
return ret;
}
static int __maybe_unused
rockchip_usb2phy_low_power_enable(struct rockchip_usb2phy *rphy,
struct rockchip_usb2phy_port *rport,
bool value)
{
int ret = 0;
if (!rport->low_power_en)
return ret;
if (rport->port_id == USB2PHY_PORT_OTG) {
dev_info(&rport->phy->dev, "set otg port low power state %d\n",
value);
ret = property_enable(rphy->grf, &rport->port_cfg->bypass_bc,
value);
if (ret)
return ret;
ret = property_enable(rphy->grf, &rport->port_cfg->bypass_otg,
value);
if (ret)
return ret;
ret = property_enable(rphy->grf, &rport->port_cfg->vbus_det_en,
!value);
} else if (rport->port_id == USB2PHY_PORT_HOST) {
dev_info(&rport->phy->dev, "set host port low power state %d\n",
value);
ret = property_enable(rphy->grf, &rport->port_cfg->bypass_host,
value);
}
return ret;
}
static int rk312x_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
int ret;
/* Turn off differential receiver in suspend mode */
ret = regmap_write(rphy->grf, 0x298, 0x00040000);
if (ret)
return ret;
return 0;
}
static int rk3228_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
int ret = 0;
/* Open pre-emphasize in non-chirp state for PHY0 otg port */
if (rphy->phy_cfg->reg == 0x760)
ret = regmap_write(rphy->grf, 0x76c, 0x00070004);
return ret;
}
static int rk3308_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
int ret;
if (soc_is_rk3308bs()) {
/* Turn off differential receiver in suspend mode */
ret = regmap_update_bits(rphy->grf, 0x30, BIT(2), 0);
if (ret)
return ret;
/* Enable otg port pre-emphasis during non-chirp phase */
ret = regmap_update_bits(rphy->grf, 0, GENMASK(2, 0), BIT(2));
if (ret)
return ret;
/* Set otg port squelch trigger point configure to 100mv */
ret = regmap_update_bits(rphy->grf, 0x004, GENMASK(7, 5), 0x40);
if (ret)
return ret;
ret = regmap_update_bits(rphy->grf, 0x008, BIT(0), 0x1);
if (ret)
return ret;
/* Enable host port pre-emphasis during non-chirp phase */
ret = regmap_update_bits(rphy->grf, 0x400, GENMASK(2, 0), BIT(2));
if (ret)
return ret;
/* Set host port squelch trigger point configure to 100mv */
ret = regmap_update_bits(rphy->grf, 0x404, GENMASK(7, 5), 0x40);
if (ret)
return ret;
ret = regmap_update_bits(rphy->grf, 0x408, BIT(0), 0x1);
if (ret)
return ret;
} else {
/* Open pre-emphasize in non-chirp state for otg port */
ret = regmap_write(rphy->grf, 0x0, 0x00070004);
if (ret)
return ret;
/* Open pre-emphasize in non-chirp state for host port */
ret = regmap_write(rphy->grf, 0x30, 0x00070004);
if (ret)
return ret;
/* Turn off differential receiver in suspend mode */
ret = regmap_write(rphy->grf, 0x18, 0x00040000);
if (ret)
return ret;
}
return 0;
}
static int rk3328_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
int ret;
if (soc_is_px30s()) {
/* Enable otg port pre-emphasis during non-chirp phase */
ret = regmap_update_bits(rphy->grf, 0x8000, GENMASK(2, 0), BIT(2));
if (ret)
return ret;
/* Set otg port squelch trigger point configure to 100mv */
ret = regmap_update_bits(rphy->grf, 0x8004, GENMASK(7, 5), 0x40);
if (ret)
return ret;
ret = regmap_update_bits(rphy->grf, 0x8008, BIT(0), 0x1);
if (ret)
return ret;
/* Turn off otg port differential reciver in suspend mode */
ret = regmap_update_bits(rphy->grf, 0x8030, BIT(2), 0);
if (ret)
return ret;
/* Enable host port pre-emphasis during non-chirp phase */
ret = regmap_update_bits(rphy->grf, 0x8400, GENMASK(2, 0), BIT(2));
if (ret)
return ret;
/* Set host port squelch trigger point configure to 100mv */
ret = regmap_update_bits(rphy->grf, 0x8404, GENMASK(7, 5), 0x40);
if (ret)
return ret;
ret = regmap_update_bits(rphy->grf, 0x8408, BIT(0), 0x1);
if (ret)
return ret;
/* Turn off host port differential reciver in suspend mode */
ret = regmap_update_bits(rphy->grf, 0x8430, BIT(2), 0);
if (ret)
return ret;
} else {
/* Open debug mode for tuning */
ret = regmap_write(rphy->grf, 0x2c, 0xffff0400);
if (ret)
return ret;
/* Open pre-emphasize in non-chirp state for otg port */
ret = regmap_write(rphy->grf, 0x0, 0x00070004);
if (ret)
return ret;
/* Open pre-emphasize in non-chirp state for host port */
ret = regmap_write(rphy->grf, 0x30, 0x00070004);
if (ret)
return ret;
/* Turn off differential receiver in suspend mode */
ret = regmap_write(rphy->grf, 0x18, 0x00040000);
if (ret)
return ret;
}
return 0;
}
static int rk3366_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
unsigned int open_pre_emphasize = 0xffff851f;
unsigned int eye_height_tuning = 0xffff68c8;
unsigned int compensation_tuning = 0xffff026e;
int ret = 0;
/* open HS pre-emphasize to expand HS slew rate for each port. */
ret |= regmap_write(rphy->grf, 0x0780, open_pre_emphasize);
ret |= regmap_write(rphy->grf, 0x079c, eye_height_tuning);
ret |= regmap_write(rphy->grf, 0x07b0, open_pre_emphasize);
ret |= regmap_write(rphy->grf, 0x07cc, eye_height_tuning);
/* compensate default tuning reference relate to ODT and etc. */
ret |= regmap_write(rphy->grf, 0x078c, compensation_tuning);
return ret;
}
static int rk3399_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
struct device_node *node = rphy->dev->of_node;
int ret = 0;
if (rphy->phy_cfg->reg == 0xe450) {
/*
* Disable the pre-emphasize in eop state
* and chirp state to avoid mis-trigger the
* disconnect detection and also avoid hs
* handshake fail for PHY0.
*/
ret |= regmap_write(rphy->grf, 0x4480,
GENMASK(17, 16) | 0x0);
ret |= regmap_write(rphy->grf, 0x44b4,
GENMASK(17, 16) | 0x0);
} else {
/*
* Disable the pre-emphasize in eop state
* and chirp state to avoid mis-trigger the
* disconnect detection and also avoid hs
* handshake fail for PHY1.
*/
ret |= regmap_write(rphy->grf, 0x4500,
GENMASK(17, 16) | 0x0);
ret |= regmap_write(rphy->grf, 0x4534,
GENMASK(17, 16) | 0x0);
}
if (!of_property_read_bool(node, "rockchip,u2phy-tuning"))
return ret;
if (rphy->phy_cfg->reg == 0xe450) {
/*
* Set max ODT compensation voltage and
* current tuning reference for PHY0.
*/
ret |= regmap_write(rphy->grf, 0x448c,
GENMASK(23, 16) | 0xe3);
/* Set max pre-emphasis level for PHY0 */
ret |= regmap_write(rphy->grf, 0x44b0,
GENMASK(18, 16) | 0x07);
/*
* Set PHY0 A port squelch trigger point to 125mv
*/
ret |= regmap_write(rphy->grf, 0x4480,
GENMASK(30, 30) | 0x4000);
} else {
/*
* Set max ODT compensation voltage and
* current tuning reference for PHY1.
*/
ret |= regmap_write(rphy->grf, 0x450c,
GENMASK(23, 16) | 0xe3);
/* Set max pre-emphasis level for PHY1 */
ret |= regmap_write(rphy->grf, 0x4530,
GENMASK(18, 16) | 0x07);
/*
* Set PHY1 A port squelch trigger point to 125mv
*/
ret |= regmap_write(rphy->grf, 0x4500,
GENMASK(30, 30) | 0x4000);
}
return ret;
}
static int rk3568_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
int ret = 0;
/* Turn off differential receiver by default to save power */
phy_clear_bits(rphy->phy_base + 0x30, BIT(2));
/* Enable otg port pre-emphasis during non-chirp phase */
phy_update_bits(rphy->phy_base, GENMASK(2, 0), 0x04);
/* Enable host port pre-emphasis during non-chirp phase */
phy_update_bits(rphy->phy_base + 0x0400, GENMASK(2, 0), 0x04);
if (rphy->phy_cfg->reg == 0xfe8a0000) {
/* Set otg port HS eye height to 437.5mv(default is 400mv) */
phy_update_bits(rphy->phy_base + 0x30, GENMASK(6, 4), (0x06 << 4));
/*
* Set the bvalid filter time to 10ms
* based on the usb2 phy grf pclk 100MHz.
*/
ret |= regmap_write(rphy->grf, 0x0048, FILTER_COUNTER);
/*
* Set the id filter time to 10ms based
* on the usb2 phy grf pclk 100MHz.
*/
ret |= regmap_write(rphy->grf, 0x004c, FILTER_COUNTER);
}
/* Enable host port (usb3 host1 and usb2 host1) wakeup irq */
ret |= regmap_write(rphy->grf, 0x000c, 0x80008000);
return ret;
}
static int rv1106_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
/* Always enable pre-emphasis in SOF & EOP & chirp & non-chirp state */
phy_update_bits(rphy->phy_base + 0x30, GENMASK(2, 0), 0x07);
if (rockchip_get_cpu_version()) {
/* Set Tx HS pre_emphasize strength to 3'b001 */
phy_update_bits(rphy->phy_base + 0x40, GENMASK(5, 3), (0x01 << 3));
} else {
/* Set Tx HS pre_emphasize strength to 3'b011 */
phy_update_bits(rphy->phy_base + 0x40, GENMASK(5, 3), (0x03 << 3));
}
/* Set RX Squelch trigger point configure to 4'b0000(112.5 mV) */
phy_update_bits(rphy->phy_base + 0x64, GENMASK(6, 3), (0x00 << 3));
/* Turn off differential receiver by default to save power */
phy_clear_bits(rphy->phy_base + 0x100, BIT(6));
/* Set 45ohm HS ODT value to 5'b10111 to increase driver strength */
phy_update_bits(rphy->phy_base + 0x11c, GENMASK(4, 0), 0x17);
/* Set Tx HS eye height tuning to 3'b011(462 mV)*/
phy_update_bits(rphy->phy_base + 0x124, GENMASK(4, 2), (0x03 << 2));
/* Bypass Squelch detector calibration */
phy_update_bits(rphy->phy_base + 0x1a4, GENMASK(7, 4), (0x01 << 4));
phy_update_bits(rphy->phy_base + 0x1b4, GENMASK(7, 4), (0x01 << 4));
return 0;
}
static int rk3568_vbus_detect_control(struct rockchip_usb2phy *rphy, bool en)
{
if (en) {
/* Enable vbus voltage level detection function */
phy_clear_bits(rphy->phy_base + 0x3c, BIT(7));
} else {
/* Disable vbus voltage level detection function */
phy_set_bits(rphy->phy_base + 0x3c, BIT(7));
}
return 0;
}
static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy)
{
unsigned int reg;
int ret = 0;
/* Read the SIDDQ control register */
ret = regmap_read(rphy->grf, 0x0008, ®);
if (ret)
return ret;
if (reg & BIT(13)) {
/* Deassert SIDDQ to power on analog block */
ret = regmap_write(rphy->grf, 0x0008,
GENMASK(29, 29) | 0x0000);
if (ret)
return ret;
/* Do reset after exit IDDQ mode */
ret = rockchip_usb2phy_reset(rphy);
if (ret)
return ret;
}
if (rphy->phy_cfg->reg == 0x0000) {
/*
* Set USB2 PHY0 suspend configuration for USB3_0
* 1. Set utmi_termselect to 1'b1 (en FS terminations)
* 2. Set utmi_xcvrselect to 2'b01 (FS transceiver)
* 3. Set utmi_opmode to 2'b01 (no-driving)
*/
ret |= regmap_write(rphy->grf, 0x000c,
GENMASK(20, 16) | 0x0015);
/* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
ret |= regmap_write(rphy->grf, 0x0004,
GENMASK(27, 24) | 0x0900);
/* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
ret |= regmap_write(rphy->grf, 0x0008,
GENMASK(20, 19) | 0x0010);
/* Pullup iddig pin for USB3_0 OTG mode */
ret |= regmap_write(rphy->grf, 0x0010,
GENMASK(17, 16) | 0x0003);
} else if (rphy->phy_cfg->reg == 0x4000) {
/*
* Set USB2 PHY1 suspend configuration for USB3_1
* 1. Set utmi_termselect to 1'b1 (en FS terminations)
* 2. Set utmi_xcvrselect to 2'b01(FS transceiver)
* 3. Set utmi_opmode to 2'b01 (no-driving)
*/
ret |= regmap_write(rphy->grf, 0x000c,
GENMASK(20, 16) | 0x0015);
/* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
ret |= regmap_write(rphy->grf, 0x0004,
GENMASK(27, 24) | 0x0900);
/* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
ret |= regmap_write(rphy->grf, 0x0008,
GENMASK(20, 19) | 0x0010);
/* Pullup iddig pin for USB3_1 OTG mode */
ret |= regmap_write(rphy->grf, 0x0010,
GENMASK(17, 16) | 0x0003);
} else if (rphy->phy_cfg->reg == 0x8000) {
/*
* Set USB2 PHY2 suspend configuration for USB2_0
* 1. Set utmi_termselect to 1'b1 (en FS terminations)
* 2. Set utmi_xcvrselect to 2'b01(FS transceiver)
* 3. Set utmi_opmode to 2'b00 (normal)
*/
ret |= regmap_write(rphy->grf, 0x000c,
GENMASK(20, 16) | 0x0014);
/* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
ret |= regmap_write(rphy->grf, 0x0004,
GENMASK(27, 24) | 0x0900);
/* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
ret |= regmap_write(rphy->grf, 0x0008,
GENMASK(20, 19) | 0x0010);
} else if (rphy->phy_cfg->reg == 0xc000) {
/*
* Set USB2 PHY3 suspend configuration for USB2_1
* 1. Set utmi_termselect to 1'b1 (en FS terminations)
* 2. Set utmi_xcvrselect to 2'b01(FS transceiver)
* 3. Set utmi_opmode to 2'b00 (normal)
*/
ret |= regmap_write(rphy->grf, 0x000c,
GENMASK(20, 16) | 0x0014);
/* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
ret |= regmap_write(rphy->grf, 0x0004,
GENMASK(27, 24) | 0x0900);
/* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
ret |= regmap_write(rphy->grf, 0x0008,
GENMASK(20, 19) | 0x0010);
}
return ret;
}
#ifdef CONFIG_PM_SLEEP
static int rockchip_usb2phy_pm_suspend(struct device *dev)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(dev);
const struct rockchip_usb2phy_cfg *phy_cfg = rphy->phy_cfg;
struct rockchip_usb2phy_port *rport;
unsigned int index;
int ret = 0;
bool wakeup_enable = false;
if (device_may_wakeup(rphy->dev))
wakeup_enable = true;
/*
* Set the linestate filter time to 1ms based
* on the usb2 phy grf pclk 32KHz on suspend.
*/
if (phy_cfg->ls_filter_con.enable) {
ret = regmap_write(rphy->grf, phy_cfg->ls_filter_con.offset,
phy_cfg->ls_filter_con.enable);
if (ret)
dev_err(rphy->dev, "failed to set ls filter %d\n", ret);
}
for (index = 0; index < phy_cfg->num_ports; index++) {
rport = &rphy->ports[index];
if (!rport->phy)
continue;
if (rport->port_id == USB2PHY_PORT_OTG &&
(rport->id_irq > 0 || rphy->irq > 0)) {
mutex_lock(&rport->mutex);
rport->prev_iddig = property_enabled(rphy->grf,
&rport->port_cfg->utmi_iddig);
ret = rockchip_usb2phy_enable_id_irq(rphy, rport,
false);
mutex_unlock(&rport->mutex);
if (ret) {
dev_err(rphy->dev,
"failed to disable id irq\n");
return ret;
}
}
if (rport->port_id == USB2PHY_PORT_OTG && wakeup_enable &&
rport->bvalid_irq > 0)
enable_irq_wake(rport->bvalid_irq);
/* activate the linestate to detect the next interrupt. */
mutex_lock(&rport->mutex);
ret = rockchip_usb2phy_enable_line_irq(rphy, rport, true);
mutex_unlock(&rport->mutex);
if (ret) {
dev_err(rphy->dev, "failed to enable linestate irq\n");
return ret;
}
if (wakeup_enable && rport->ls_irq > 0)
enable_irq_wake(rport->ls_irq);
/* enter low power state */
rockchip_usb2phy_low_power_enable(rphy, rport, true);
}
if (wakeup_enable && rphy->irq > 0)
enable_irq_wake(rphy->irq);
return ret;
}
static int rockchip_usb2phy_pm_resume(struct device *dev)
{
struct rockchip_usb2phy *rphy = dev_get_drvdata(dev);
const struct rockchip_usb2phy_cfg *phy_cfg = rphy->phy_cfg;
struct rockchip_usb2phy_port *rport;
unsigned int index;
bool iddig;
int ret = 0;
bool wakeup_enable = false;
if (device_may_wakeup(rphy->dev))
wakeup_enable = true;
/*
* PHY lost power in suspend, it needs to reset
* PHY to recovery clock to usb controller.
*/
if (!wakeup_enable)
rockchip_usb2phy_reset(rphy);
if (phy_cfg->phy_tuning)
ret = phy_cfg->phy_tuning(rphy);
if (phy_cfg->ls_filter_con.disable) {
ret = regmap_write(rphy->grf, phy_cfg->ls_filter_con.offset,
phy_cfg->ls_filter_con.disable);
if (ret)
dev_err(rphy->dev, "failed to set ls filter %d\n", ret);
}
for (index = 0; index < phy_cfg->num_ports; index++) {
rport = &rphy->ports[index];
if (!rport->phy)
continue;
if (rport->port_id == USB2PHY_PORT_OTG &&
(rport->id_irq > 0 || rphy->irq > 0)) {
mutex_lock(&rport->mutex);
iddig = property_enabled(rphy->grf,
&rport->port_cfg->utmi_iddig);
ret = rockchip_usb2phy_enable_id_irq(rphy, rport,
true);
mutex_unlock(&rport->mutex);
if (ret) {
dev_err(rphy->dev,
"failed to enable id irq\n");
return ret;
}
if (iddig != rport->prev_iddig) {
dev_dbg(&rport->phy->dev,
"iddig changed during resume\n");
rport->prev_iddig = iddig;
extcon_set_state_sync(rphy->edev,
EXTCON_USB_HOST,
!iddig);
extcon_set_state_sync(rphy->edev,
EXTCON_USB_VBUS_EN,
!iddig);
ret = rockchip_set_vbus_power(rport, !iddig);
if (ret)
return ret;
}
}
if (rport->port_id == USB2PHY_PORT_OTG && wakeup_enable &&
rport->bvalid_irq > 0)
disable_irq_wake(rport->bvalid_irq);
if (wakeup_enable && rport->ls_irq > 0)
disable_irq_wake(rport->ls_irq);
/* exit low power state */
rockchip_usb2phy_low_power_enable(rphy, rport, false);
}
if (wakeup_enable && rphy->irq > 0)
disable_irq_wake(rphy->irq);
return ret;
}
static const struct dev_pm_ops rockchip_usb2phy_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(rockchip_usb2phy_pm_suspend,
rockchip_usb2phy_pm_resume)
};
#define ROCKCHIP_USB2PHY_DEV_PM (&rockchip_usb2phy_dev_pm_ops)
#else
#define ROCKCHIP_USB2PHY_DEV_PM NULL
#endif /* CONFIG_PM_SLEEP */
static const struct rockchip_usb2phy_cfg rk1808_phy_cfgs[] = {
{
.reg = 0x100,
.num_ports = 2,
.clkout_ctl = { 0x108, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0100, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0110, 2, 2, 0, 1 },
.bvalid_det_st = { 0x0114, 2, 2, 0, 1 },
.bvalid_det_clr = { 0x0118, 2, 2, 0, 1 },
.bypass_dm_en = { 0x0108, 2, 2, 0, 1},
.bypass_sel = { 0x0108, 3, 3, 0, 1},
.iddig_output = { 0x0100, 10, 10, 0, 1 },
.iddig_en = { 0x0100, 9, 9, 0, 1 },
.idfall_det_en = { 0x0110, 5, 5, 0, 1 },
.idfall_det_st = { 0x0114, 5, 5, 0, 1 },
.idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
.idrise_det_en = { 0x0110, 4, 4, 0, 1 },
.idrise_det_st = { 0x0114, 4, 4, 0, 1 },
.idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
.ls_det_en = { 0x0110, 0, 0, 0, 1 },
.ls_det_st = { 0x0114, 0, 0, 0, 1 },
.ls_det_clr = { 0x0118, 0, 0, 0, 1 },
.utmi_avalid = { 0x0120, 10, 10, 0, 1 },
.utmi_bvalid = { 0x0120, 9, 9, 0, 1 },
.utmi_iddig = { 0x0120, 6, 6, 0, 1 },
.utmi_ls = { 0x0120, 5, 4, 0, 1 },
.vbus_det_en = { 0x001c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x104, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x110, 1, 1, 0, 1 },
.ls_det_st = { 0x114, 1, 1, 0, 1 },
.ls_det_clr = { 0x118, 1, 1, 0, 1 },
.utmi_ls = { 0x120, 17, 16, 0, 1 },
.utmi_hstdet = { 0x120, 19, 19, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0100, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0120, 24, 24, 0, 1 },
.dcp_det = { 0x0120, 23, 23, 0, 1 },
.dp_det = { 0x0120, 25, 25, 0, 1 },
.idm_sink_en = { 0x0108, 8, 8, 0, 1 },
.idp_sink_en = { 0x0108, 7, 7, 0, 1 },
.idp_src_en = { 0x0108, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0108, 10, 10, 0, 1 },
.vdm_src_en = { 0x0108, 12, 12, 0, 1 },
.vdp_src_en = { 0x0108, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk312x_phy_cfgs[] = {
{
.reg = 0x17c,
.num_ports = 2,
.phy_tuning = rk312x_usb2phy_tuning,
.clkout_ctl = { 0x0190, 15, 15, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x017c, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x017c, 14, 14, 0, 1 },
.bvalid_det_st = { 0x017c, 15, 15, 0, 1 },
.bvalid_det_clr = { 0x017c, 15, 15, 0, 1 },
.bypass_dm_en = { 0x0190, 12, 12, 0, 1},
.bypass_sel = { 0x0190, 13, 13, 0, 1},
.iddig_output = { 0x017c, 10, 10, 0, 1 },
.iddig_en = { 0x017c, 9, 9, 0, 1 },
.idfall_det_en = { 0x01a0, 2, 2, 0, 1 },
.idfall_det_st = { 0x01a0, 3, 3, 0, 1 },
.idfall_det_clr = { 0x01a0, 3, 3, 0, 1 },
.idrise_det_en = { 0x01a0, 0, 0, 0, 1 },
.idrise_det_st = { 0x01a0, 1, 1, 0, 1 },
.idrise_det_clr = { 0x01a0, 1, 1, 0, 1 },
.ls_det_en = { 0x017c, 12, 12, 0, 1 },
.ls_det_st = { 0x017c, 13, 13, 0, 1 },
.ls_det_clr = { 0x017c, 13, 13, 0, 1 },
.utmi_bvalid = { 0x014c, 5, 5, 0, 1 },
.utmi_iddig = { 0x014c, 8, 8, 0, 1 },
.utmi_ls = { 0x014c, 7, 6, 0, 1 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0194, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x0194, 14, 14, 0, 1 },
.ls_det_st = { 0x0194, 15, 15, 0, 1 },
.ls_det_clr = { 0x0194, 15, 15, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x017c, 8, 0, 0, 0x1d7 },
.cp_det = { 0x02c0, 6, 6, 0, 1 },
.dcp_det = { 0x02c0, 5, 5, 0, 1 },
.dp_det = { 0x02c0, 7, 7, 0, 1 },
.idm_sink_en = { 0x0184, 8, 8, 0, 1 },
.idp_sink_en = { 0x0184, 7, 7, 0, 1 },
.idp_src_en = { 0x0184, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0184, 10, 10, 0, 1 },
.vdm_src_en = { 0x0184, 12, 12, 0, 1 },
.vdp_src_en = { 0x0184, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3228_phy_cfgs[] = {
{
.reg = 0x760,
.num_ports = 2,
.phy_tuning = rk3228_usb2phy_tuning,
.clkout_ctl = { 0x0768, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0760, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0680, 3, 3, 0, 1 },
.bvalid_det_st = { 0x0690, 3, 3, 0, 1 },
.bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
.iddig_output = { 0x0760, 10, 10, 0, 1 },
.iddig_en = { 0x0760, 9, 9, 0, 1 },
.idfall_det_en = { 0x0680, 6, 6, 0, 1 },
.idfall_det_st = { 0x0690, 6, 6, 0, 1 },
.idfall_det_clr = { 0x06a0, 6, 6, 0, 1 },
.idrise_det_en = { 0x0680, 5, 5, 0, 1 },
.idrise_det_st = { 0x0690, 5, 5, 0, 1 },
.idrise_det_clr = { 0x06a0, 5, 5, 0, 1 },
.ls_det_en = { 0x0680, 2, 2, 0, 1 },
.ls_det_st = { 0x0690, 2, 2, 0, 1 },
.ls_det_clr = { 0x06a0, 2, 2, 0, 1 },
.utmi_bvalid = { 0x0480, 4, 4, 0, 1 },
.utmi_iddig = { 0x0480, 1, 1, 0, 1 },
.utmi_ls = { 0x0480, 3, 2, 0, 1 },
.vbus_det_en = { 0x0788, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0764, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x0680, 4, 4, 0, 1 },
.ls_det_st = { 0x0690, 4, 4, 0, 1 },
.ls_det_clr = { 0x06a0, 4, 4, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0760, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0884, 4, 4, 0, 1 },
.dcp_det = { 0x0884, 3, 3, 0, 1 },
.dp_det = { 0x0884, 5, 5, 0, 1 },
.idm_sink_en = { 0x0768, 8, 8, 0, 1 },
.idp_sink_en = { 0x0768, 7, 7, 0, 1 },
.idp_src_en = { 0x0768, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0768, 10, 10, 0, 1 },
.vdm_src_en = { 0x0768, 12, 12, 0, 1 },
.vdp_src_en = { 0x0768, 11, 11, 0, 1 },
},
},
{
.reg = 0x800,
.num_ports = 2,
.clkout_ctl = { 0x0808, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x804, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x0684, 1, 1, 0, 1 },
.ls_det_st = { 0x0694, 1, 1, 0, 1 },
.ls_det_clr = { 0x06a4, 1, 1, 0, 1 }
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x800, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x0684, 0, 0, 0, 1 },
.ls_det_st = { 0x0694, 0, 0, 0, 1 },
.ls_det_clr = { 0x06a4, 0, 0, 0, 1 }
}
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3308_phy_cfgs[] = {
{
.reg = 0x100,
.num_ports = 2,
.phy_tuning = rk3308_usb2phy_tuning,
.clkout_ctl = { 0x0108, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0100, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x3020, 2, 2, 0, 1 },
.bvalid_det_st = { 0x3024, 2, 2, 0, 1 },
.bvalid_det_clr = { 0x3028, 2, 2, 0, 1 },
.iddig_output = { 0x0100, 10, 10, 0, 1 },
.iddig_en = { 0x0100, 9, 9, 0, 1 },
.idfall_det_en = { 0x3020, 5, 5, 0, 1 },
.idfall_det_st = { 0x3024, 5, 5, 0, 1 },
.idfall_det_clr = { 0x3028, 5, 5, 0, 1 },
.idrise_det_en = { 0x3020, 4, 4, 0, 1 },
.idrise_det_st = { 0x3024, 4, 4, 0, 1 },
.idrise_det_clr = { 0x3028, 4, 4, 0, 1 },
.ls_det_en = { 0x3020, 0, 0, 0, 1 },
.ls_det_st = { 0x3024, 0, 0, 0, 1 },
.ls_det_clr = { 0x3028, 0, 0, 0, 1 },
.utmi_avalid = { 0x0120, 10, 10, 0, 1 },
.utmi_bvalid = { 0x0120, 9, 9, 0, 1 },
.utmi_iddig = { 0x0120, 6, 6, 0, 1 },
.utmi_ls = { 0x0120, 5, 4, 0, 1 },
.vbus_det_en = { 0x001c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0104, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x3020, 1, 1, 0, 1 },
.ls_det_st = { 0x3024, 1, 1, 0, 1 },
.ls_det_clr = { 0x3028, 1, 1, 0, 1 },
.utmi_ls = { 0x120, 17, 16, 0, 1 },
.utmi_hstdet = { 0x120, 19, 19, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0100, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0120, 24, 24, 0, 1 },
.dcp_det = { 0x0120, 23, 23, 0, 1 },
.dp_det = { 0x0120, 25, 25, 0, 1 },
.idm_sink_en = { 0x0108, 8, 8, 0, 1 },
.idp_sink_en = { 0x0108, 7, 7, 0, 1 },
.idp_src_en = { 0x0108, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0108, 10, 10, 0, 1 },
.vdm_src_en = { 0x0108, 12, 12, 0, 1 },
.vdp_src_en = { 0x0108, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3328_phy_cfgs[] = {
{
.reg = 0x100,
.num_ports = 2,
.phy_tuning = rk3328_usb2phy_tuning,
.clkout_ctl = { 0x108, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0100, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0110, 2, 2, 0, 1 },
.bvalid_det_st = { 0x0114, 2, 2, 0, 1 },
.bvalid_det_clr = { 0x0118, 2, 2, 0, 1 },
.bypass_bc = { 0x0008, 14, 14, 0, 1 },
.bypass_otg = { 0x0018, 15, 15, 1, 0 },
.iddig_output = { 0x0100, 10, 10, 0, 1 },
.iddig_en = { 0x0100, 9, 9, 0, 1 },
.idfall_det_en = { 0x0110, 5, 5, 0, 1 },
.idfall_det_st = { 0x0114, 5, 5, 0, 1 },
.idfall_det_clr = { 0x0118, 5, 5, 0, 1 },
.idrise_det_en = { 0x0110, 4, 4, 0, 1 },
.idrise_det_st = { 0x0114, 4, 4, 0, 1 },
.idrise_det_clr = { 0x0118, 4, 4, 0, 1 },
.ls_det_en = { 0x0110, 0, 0, 0, 1 },
.ls_det_st = { 0x0114, 0, 0, 0, 1 },
.ls_det_clr = { 0x0118, 0, 0, 0, 1 },
.utmi_avalid = { 0x0120, 10, 10, 0, 1 },
.utmi_bvalid = { 0x0120, 9, 9, 0, 1 },
.utmi_iddig = { 0x0120, 6, 6, 0, 1 },
.utmi_ls = { 0x0120, 5, 4, 0, 1 },
.vbus_det_en = { 0x001c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x104, 8, 0, 0, 0x1d1 },
.bypass_host = { 0x048, 15, 15, 1, 0 },
.ls_det_en = { 0x110, 1, 1, 0, 1 },
.ls_det_st = { 0x114, 1, 1, 0, 1 },
.ls_det_clr = { 0x118, 1, 1, 0, 1 },
.utmi_ls = { 0x120, 17, 16, 0, 1 },
.utmi_hstdet = { 0x120, 19, 19, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0100, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0120, 24, 24, 0, 1 },
.dcp_det = { 0x0120, 23, 23, 0, 1 },
.dp_det = { 0x0120, 25, 25, 0, 1 },
.idm_sink_en = { 0x0108, 8, 8, 0, 1 },
.idp_sink_en = { 0x0108, 7, 7, 0, 1 },
.idp_src_en = { 0x0108, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0108, 10, 10, 0, 1 },
.vdm_src_en = { 0x0108, 12, 12, 0, 1 },
.vdp_src_en = { 0x0108, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs[] = {
{
.reg = 0x700,
.num_ports = 2,
.phy_tuning = rk3366_usb2phy_tuning,
.clkout_ctl = { 0x0724, 15, 15, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0728, 8, 0, 0, 0x1d1 },
.ls_det_en = { 0x0680, 4, 4, 0, 1 },
.ls_det_st = { 0x0690, 4, 4, 0, 1 },
.ls_det_clr = { 0x06a0, 4, 4, 0, 1 },
.utmi_ls = { 0x049c, 14, 13, 0, 1 },
.utmi_hstdet = { 0x049c, 12, 12, 0, 1 }
}
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3368_phy_cfgs[] = {
{
.reg = 0x700,
.num_ports = 2,
.clkout_ctl = { 0x0724, 15, 15, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0700, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0680, 3, 3, 0, 1 },
.bvalid_det_st = { 0x0690, 3, 3, 0, 1 },
.bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
.iddig_output = { 0x0700, 10, 10, 0, 1 },
.iddig_en = { 0x0700, 9, 9, 0, 1 },
.idfall_det_en = { 0x0680, 6, 6, 0, 1 },
.idfall_det_st = { 0x0690, 6, 6, 0, 1 },
.idfall_det_clr = { 0x06a0, 6, 6, 0, 1 },
.idrise_det_en = { 0x0680, 5, 5, 0, 1 },
.idrise_det_st = { 0x0690, 5, 5, 0, 1 },
.idrise_det_clr = { 0x06a0, 5, 5, 0, 1 },
.ls_det_en = { 0x0680, 2, 2, 0, 1 },
.ls_det_st = { 0x0690, 2, 2, 0, 1 },
.ls_det_clr = { 0x06a0, 2, 2, 0, 1 },
.utmi_bvalid = { 0x04bc, 23, 23, 0, 1 },
.utmi_iddig = { 0x04bc, 26, 26, 0, 1 },
.utmi_ls = { 0x04bc, 25, 24, 0, 1 },
.vbus_det_en = { 0x079c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0728, 15, 0, 0, 0x1d1 },
.ls_det_en = { 0x0680, 4, 4, 0, 1 },
.ls_det_st = { 0x0690, 4, 4, 0, 1 },
.ls_det_clr = { 0x06a0, 4, 4, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0700, 8, 0, 0, 0x1d7 },
.cp_det = { 0x04b8, 30, 30, 0, 1 },
.dcp_det = { 0x04b8, 29, 29, 0, 1 },
.dp_det = { 0x04b8, 31, 31, 0, 1 },
.idm_sink_en = { 0x0718, 8, 8, 0, 1 },
.idp_sink_en = { 0x0718, 7, 7, 0, 1 },
.idp_src_en = { 0x0718, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0718, 10, 10, 0, 1 },
.vdm_src_en = { 0x0718, 12, 12, 0, 1 },
.vdp_src_en = { 0x0718, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = {
{
.reg = 0xe450,
.num_ports = 2,
.phy_tuning = rk3399_usb2phy_tuning,
.clkout_ctl = { 0xe450, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0xe454, 8, 0, 0x052, 0x1d1 },
.bvalid_det_en = { 0xe3c0, 3, 3, 0, 1 },
.bvalid_det_st = { 0xe3e0, 3, 3, 0, 1 },
.bvalid_det_clr = { 0xe3d0, 3, 3, 0, 1 },
.bypass_dm_en = { 0xe450, 2, 2, 0, 1 },
.bypass_sel = { 0xe450, 3, 3, 0, 1 },
.iddig_output = { 0xe454, 10, 10, 0, 1 },
.iddig_en = { 0xe454, 9, 9, 0, 1 },
.idfall_det_en = { 0xe3c0, 5, 5, 0, 1 },
.idfall_det_st = { 0xe3e0, 5, 5, 0, 1 },
.idfall_det_clr = { 0xe3d0, 5, 5, 0, 1 },
.idrise_det_en = { 0xe3c0, 4, 4, 0, 1 },
.idrise_det_st = { 0xe3e0, 4, 4, 0, 1 },
.idrise_det_clr = { 0xe3d0, 4, 4, 0, 1 },
.ls_det_en = { 0xe3c0, 2, 2, 0, 1 },
.ls_det_st = { 0xe3e0, 2, 2, 0, 1 },
.ls_det_clr = { 0xe3d0, 2, 2, 0, 1 },
.utmi_avalid = { 0xe2ac, 7, 7, 0, 1 },
.utmi_bvalid = { 0xe2ac, 12, 12, 0, 1 },
.utmi_iddig = { 0xe2ac, 8, 8, 0, 1 },
.utmi_ls = { 0xe2ac, 14, 13, 0, 1 },
.vbus_det_en = { 0x449c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0xe458, 1, 0, 0x2, 0x1 },
.ls_det_en = { 0xe3c0, 6, 6, 0, 1 },
.ls_det_st = { 0xe3e0, 6, 6, 0, 1 },
.ls_det_clr = { 0xe3d0, 6, 6, 0, 1 },
.utmi_ls = { 0xe2ac, 22, 21, 0, 1 },
.utmi_hstdet = { 0xe2ac, 23, 23, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0xe454, 8, 0, 0, 0x1d7 },
.cp_det = { 0xe2ac, 2, 2, 0, 1 },
.dcp_det = { 0xe2ac, 1, 1, 0, 1 },
.dp_det = { 0xe2ac, 0, 0, 0, 1 },
.idm_sink_en = { 0xe450, 8, 8, 0, 1 },
.idp_sink_en = { 0xe450, 7, 7, 0, 1 },
.idp_src_en = { 0xe450, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0xe450, 10, 10, 0, 1 },
.vdm_src_en = { 0xe450, 12, 12, 0, 1 },
.vdp_src_en = { 0xe450, 11, 11, 0, 1 },
},
},
{
.reg = 0xe460,
.num_ports = 2,
.phy_tuning = rk3399_usb2phy_tuning,
.clkout_ctl = { 0xe460, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0xe464, 8, 0, 0x052, 0x1d1 },
.bvalid_det_en = { 0xe3c0, 8, 8, 0, 1 },
.bvalid_det_st = { 0xe3e0, 8, 8, 0, 1 },
.bvalid_det_clr = { 0xe3d0, 8, 8, 0, 1 },
.iddig_output = { 0xe464, 10, 10, 0, 1 },
.iddig_en = { 0xe464, 9, 9, 0, 1 },
.idfall_det_en = { 0xe3c0, 10, 10, 0, 1 },
.idfall_det_st = { 0xe3e0, 10, 10, 0, 1 },
.idfall_det_clr = { 0xe3d0, 10, 10, 0, 1 },
.idrise_det_en = { 0xe3c0, 9, 9, 0, 1 },
.idrise_det_st = { 0xe3e0, 9, 9, 0, 1 },
.idrise_det_clr = { 0xe3d0, 9, 9, 0, 1 },
.ls_det_en = { 0xe3c0, 7, 7, 0, 1 },
.ls_det_st = { 0xe3e0, 7, 7, 0, 1 },
.ls_det_clr = { 0xe3d0, 7, 7, 0, 1 },
.utmi_avalid = { 0xe2ac, 10, 10, 0, 1 },
.utmi_bvalid = { 0xe2ac, 16, 16, 0, 1 },
.utmi_iddig = { 0xe2ac, 11, 11, 0, 1 },
.utmi_ls = { 0xe2ac, 18, 17, 0, 1 },
.vbus_det_en = { 0x451c, 15, 15, 1, 0 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0xe468, 1, 0, 0x2, 0x1 },
.ls_det_en = { 0xe3c0, 11, 11, 0, 1 },
.ls_det_st = { 0xe3e0, 11, 11, 0, 1 },
.ls_det_clr = { 0xe3d0, 11, 11, 0, 1 },
.utmi_ls = { 0xe2ac, 26, 25, 0, 1 },
.utmi_hstdet = { 0xe2ac, 27, 27, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0xe464, 8, 0, 0, 0x1d7 },
.cp_det = { 0xe2ac, 5, 5, 0, 1 },
.dcp_det = { 0xe2ac, 4, 4, 0, 1 },
.dp_det = { 0xe2ac, 3, 3, 0, 1 },
.idm_sink_en = { 0xe460, 8, 8, 0, 1 },
.idp_sink_en = { 0xe460, 7, 7, 0, 1 },
.idp_src_en = { 0xe460, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0xe460, 10, 10, 0, 1 },
.vdm_src_en = { 0xe460, 12, 12, 0, 1 },
.vdp_src_en = { 0xe460, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3568_phy_cfgs[] = {
{
.reg = 0xfe8a0000,
.num_ports = 2,
.phy_tuning = rk3568_usb2phy_tuning,
.vbus_detect = rk3568_vbus_detect_control,
.clkout_ctl = { 0x0008, 4, 4, 1, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0000, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0080, 2, 2, 0, 1 },
.bvalid_det_st = { 0x0084, 2, 2, 0, 1 },
.bvalid_det_clr = { 0x0088, 2, 2, 0, 1 },
.bvalid_grf_sel = { 0x0008, 15, 14, 0, 3 },
.bypass_dm_en = { 0x0008, 2, 2, 0, 1},
.bypass_sel = { 0x0008, 3, 3, 0, 1},
.iddig_output = { 0x0000, 10, 10, 0, 1 },
.iddig_en = { 0x0000, 9, 9, 0, 1 },
.idfall_det_en = { 0x0080, 5, 5, 0, 1 },
.idfall_det_st = { 0x0084, 5, 5, 0, 1 },
.idfall_det_clr = { 0x0088, 5, 5, 0, 1 },
.idrise_det_en = { 0x0080, 4, 4, 0, 1 },
.idrise_det_st = { 0x0084, 4, 4, 0, 1 },
.idrise_det_clr = { 0x0088, 4, 4, 0, 1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.utmi_avalid = { 0x00c0, 10, 10, 0, 1 },
.utmi_bvalid = { 0x00c0, 9, 9, 0, 1 },
.utmi_iddig = { 0x00c0, 6, 6, 0, 1 },
.utmi_ls = { 0x00c0, 5, 4, 0, 1 },
},
[USB2PHY_PORT_HOST] = {
/* Select suspend control from controller */
.phy_sus = { 0x0004, 8, 0, 0x1d2, 0x1d2 },
.ls_det_en = { 0x0080, 1, 1, 0, 1 },
.ls_det_st = { 0x0084, 1, 1, 0, 1 },
.ls_det_clr = { 0x0088, 1, 1, 0, 1 },
.utmi_ls = { 0x00c0, 17, 16, 0, 1 },
.utmi_hstdet = { 0x00c0, 19, 19, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0000, 8, 0, 0, 0x1d7 },
.cp_det = { 0x00c0, 24, 24, 0, 1 },
.dcp_det = { 0x00c0, 23, 23, 0, 1 },
.dp_det = { 0x00c0, 25, 25, 0, 1 },
.idm_sink_en = { 0x0008, 8, 8, 0, 1 },
.idp_sink_en = { 0x0008, 7, 7, 0, 1 },
.idp_src_en = { 0x0008, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0008, 10, 10, 0, 1 },
.vdm_src_en = { 0x0008, 12, 12, 0, 1 },
.vdp_src_en = { 0x0008, 11, 11, 0, 1 },
},
},
{
.reg = 0xfe8b0000,
.num_ports = 2,
.phy_tuning = rk3568_usb2phy_tuning,
.clkout_ctl = { 0x0008, 4, 4, 1, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0000, 8, 0, 0x1d2, 0x1d1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.utmi_ls = { 0x00c0, 5, 4, 0, 1 },
.utmi_hstdet = { 0x00c0, 7, 7, 0, 1 }
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0004, 8, 0, 0x1d2, 0x1d1 },
.ls_det_en = { 0x0080, 1, 1, 0, 1 },
.ls_det_st = { 0x0084, 1, 1, 0, 1 },
.ls_det_clr = { 0x0088, 1, 1, 0, 1 },
.utmi_ls = { 0x00c0, 17, 16, 0, 1 },
.utmi_hstdet = { 0x00c0, 19, 19, 0, 1 }
}
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rk3588_phy_cfgs[] = {
{
.reg = 0x0000,
.num_ports = 1,
.phy_tuning = rk3588_usb2phy_tuning,
.clkout_ctl = { 0x0000, 0, 0, 1, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x000c, 11, 11, 0, 1 },
.pipe_phystatus = { 0x001c, 3, 2, 0, 2 },
.bvalid_det_en = { 0x0080, 1, 1, 0, 1 },
.bvalid_det_st = { 0x0084, 1, 1, 0, 1 },
.bvalid_det_clr = { 0x0088, 1, 1, 0, 1 },
.bvalid_grf_sel = { 0x0010, 3, 3, 0, 1 },
.bvalid_grf_con = { 0x0010, 3, 2, 2, 3 },
.bvalid_phy_con = { 0x0008, 1, 0, 2, 3 },
.bypass_dm_en = { 0x000c, 5, 5, 0, 1 },
.bypass_sel = { 0x000c, 6, 6, 0, 1 },
.iddig_output = { 0x0010, 0, 0, 0, 1 },
.iddig_en = { 0x0010, 1, 1, 0, 1 },
.idfall_det_en = { 0x0080, 4, 4, 0, 1 },
.idfall_det_st = { 0x0084, 4, 4, 0, 1 },
.idfall_det_clr = { 0x0088, 4, 4, 0, 1 },
.idrise_det_en = { 0x0080, 3, 3, 0, 1 },
.idrise_det_st = { 0x0084, 3, 3, 0, 1 },
.idrise_det_clr = { 0x0088, 3, 3, 0, 1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.disfall_en = { 0x0080, 6, 6, 0, 1 },
.disfall_st = { 0x0084, 6, 6, 0, 1 },
.disfall_clr = { 0x0088, 6, 6, 0, 1 },
.disrise_en = { 0x0080, 5, 5, 0, 1 },
.disrise_st = { 0x0084, 5, 5, 0, 1 },
.disrise_clr = { 0x0088, 5, 5, 0, 1 },
.utmi_avalid = { 0x00c0, 7, 7, 0, 1 },
.utmi_bvalid = { 0x00c0, 6, 6, 0, 1 },
.utmi_iddig = { 0x00c0, 5, 5, 0, 1 },
.utmi_ls = { 0x00c0, 10, 9, 0, 1 },
}
},
.chg_det = {
.chg_mode = { 0x0008, 2, 2, 0, 1 },
.cp_det = { 0x00c0, 0, 0, 0, 1 },
.dcp_det = { 0x00c0, 0, 0, 0, 1 },
.dp_det = { 0x00c0, 1, 1, 1, 0 },
.idm_sink_en = { 0x0008, 5, 5, 1, 0 },
.idp_sink_en = { 0x0008, 5, 5, 0, 1 },
.idp_src_en = { 0x0008, 14, 14, 0, 1 },
.rdm_pdwn_en = { 0x0008, 14, 14, 0, 1 },
.vdm_src_en = { 0x0008, 7, 6, 0, 3 },
.vdp_src_en = { 0x0008, 7, 6, 0, 3 },
},
},
{
.reg = 0x4000,
.num_ports = 1,
.phy_tuning = rk3588_usb2phy_tuning,
.clkout_ctl = { 0x0000, 0, 0, 1, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x000c, 11, 11, 0, 1 },
.pipe_phystatus = { 0x0034, 3, 2, 0, 2 },
.bvalid_det_en = { 0x0080, 1, 1, 0, 1 },
.bvalid_det_st = { 0x0084, 1, 1, 0, 1 },
.bvalid_det_clr = { 0x0088, 1, 1, 0, 1 },
.bvalid_grf_sel = { 0x0010, 3, 3, 0, 1 },
.bvalid_grf_con = { 0x0010, 3, 2, 2, 3 },
.bvalid_phy_con = { 0x0008, 1, 0, 2, 3 },
.bypass_dm_en = { 0x000c, 5, 5, 0, 1 },
.bypass_sel = { 0x000c, 6, 6, 0, 1 },
.iddig_output = { 0x0010, 0, 0, 0, 1 },
.iddig_en = { 0x0010, 1, 1, 0, 1 },
.idfall_det_en = { 0x0080, 4, 4, 0, 1 },
.idfall_det_st = { 0x0084, 4, 4, 0, 1 },
.idfall_det_clr = { 0x0088, 4, 4, 0, 1 },
.idrise_det_en = { 0x0080, 3, 3, 0, 1 },
.idrise_det_st = { 0x0084, 3, 3, 0, 1 },
.idrise_det_clr = { 0x0088, 3, 3, 0, 1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.disfall_en = { 0x0080, 6, 6, 0, 1 },
.disfall_st = { 0x0084, 6, 6, 0, 1 },
.disfall_clr = { 0x0088, 6, 6, 0, 1 },
.disrise_en = { 0x0080, 5, 5, 0, 1 },
.disrise_st = { 0x0084, 5, 5, 0, 1 },
.disrise_clr = { 0x0088, 5, 5, 0, 1 },
.utmi_avalid = { 0x00c0, 7, 7, 0, 1 },
.utmi_bvalid = { 0x00c0, 6, 6, 0, 1 },
.utmi_iddig = { 0x00c0, 5, 5, 0, 1 },
.utmi_ls = { 0x00c0, 10, 9, 0, 1 },
}
},
.chg_det = {
.chg_mode = { 0x0008, 2, 2, 0, 1 },
.cp_det = { 0x00c0, 0, 0, 0, 1 },
.dcp_det = { 0x00c0, 0, 0, 0, 1 },
.dp_det = { 0x00c0, 1, 1, 1, 0 },
.idm_sink_en = { 0x0008, 5, 5, 1, 0 },
.idp_sink_en = { 0x0008, 5, 5, 0, 1 },
.idp_src_en = { 0x0008, 14, 14, 0, 1 },
.rdm_pdwn_en = { 0x0008, 14, 14, 0, 1 },
.vdm_src_en = { 0x0008, 7, 6, 0, 3 },
.vdp_src_en = { 0x0008, 7, 6, 0, 3 },
},
},
{
.reg = 0x8000,
.num_ports = 1,
.phy_tuning = rk3588_usb2phy_tuning,
.clkout_ctl = { 0x0000, 0, 0, 0, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0008, 2, 2, 0, 1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.disfall_en = { 0x0080, 6, 6, 0, 1 },
.disfall_st = { 0x0084, 6, 6, 0, 1 },
.disfall_clr = { 0x0088, 6, 6, 0, 1 },
.disrise_en = { 0x0080, 5, 5, 0, 1 },
.disrise_st = { 0x0084, 5, 5, 0, 1 },
.disrise_clr = { 0x0088, 5, 5, 0, 1 },
.utmi_ls = { 0x00c0, 10, 9, 0, 1 },
}
},
},
{
.reg = 0xc000,
.num_ports = 1,
.phy_tuning = rk3588_usb2phy_tuning,
.clkout_ctl = { 0x0000, 0, 0, 0, 0 },
.ls_filter_con = { 0x0040, 19, 0, 0x30100, 0x00020 },
.port_cfgs = {
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0008, 2, 2, 0, 1 },
.ls_det_en = { 0x0080, 0, 0, 0, 1 },
.ls_det_st = { 0x0084, 0, 0, 0, 1 },
.ls_det_clr = { 0x0088, 0, 0, 0, 1 },
.disfall_en = { 0x0080, 6, 6, 0, 1 },
.disfall_st = { 0x0084, 6, 6, 0, 1 },
.disfall_clr = { 0x0088, 6, 6, 0, 1 },
.disrise_en = { 0x0080, 5, 5, 0, 1 },
.disrise_st = { 0x0084, 5, 5, 0, 1 },
.disrise_clr = { 0x0088, 5, 5, 0, 1 },
.utmi_ls = { 0x00c0, 10, 9, 0, 1 },
}
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rv1106_phy_cfgs[] = {
{
.reg = 0xff3e0000,
.num_ports = 1,
.phy_tuning = rv1106_usb2phy_tuning,
.clkout_ctl = { 0x0058, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0050, 8, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0100, 2, 2, 0, 1 },
.bvalid_det_st = { 0x0104, 2, 2, 0, 1 },
.bvalid_det_clr = { 0x0108, 2, 2, 0, 1 },
.bvalid_grf_sel = { 0x0058, 15, 14, 0, 3 },
.iddig_output = { 0x0050, 10, 10, 0, 1 },
.iddig_en = { 0x0050, 9, 9, 0, 1 },
.idfall_det_en = { 0x0100, 5, 5, 0, 1 },
.idfall_det_st = { 0x0104, 5, 5, 0, 1 },
.idfall_det_clr = { 0x0108, 5, 5, 0, 1 },
.idrise_det_en = { 0x0100, 4, 4, 0, 1 },
.idrise_det_st = { 0x0104, 4, 4, 0, 1 },
.idrise_det_clr = { 0x0108, 4, 4, 0, 1 },
.ls_det_en = { 0x0100, 0, 0, 0, 1 },
.ls_det_st = { 0x0104, 0, 0, 0, 1 },
.ls_det_clr = { 0x0108, 0, 0, 0, 1 },
.utmi_avalid = { 0x0060, 10, 10, 0, 1 },
.utmi_bvalid = { 0x0060, 9, 9, 0, 1 },
.utmi_iddig = { 0x0060, 6, 6, 0, 1 },
.utmi_ls = { 0x0060, 5, 4, 0, 1 },
},
},
.chg_det = {
.chg_mode = { 0x0050, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0060, 13, 13, 0, 1 },
.dcp_det = { 0x0060, 12, 12, 0, 1 },
.dp_det = { 0x0060, 14, 14, 0, 1 },
.idm_sink_en = { 0x0058, 8, 8, 0, 1 },
.idp_sink_en = { 0x0058, 7, 7, 0, 1 },
.idp_src_en = { 0x0058, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0058, 10, 10, 0, 1 },
.vdm_src_en = { 0x0058, 12, 12, 0, 1 },
.vdp_src_en = { 0x0058, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = {
{
.reg = 0x100,
.num_ports = 2,
.clkout_ctl = { 0x108, 4, 4, 1, 0 },
.port_cfgs = {
[USB2PHY_PORT_OTG] = {
.phy_sus = { 0x0100, 15, 0, 0, 0x1d1 },
.bvalid_det_en = { 0x0680, 3, 3, 0, 1 },
.bvalid_det_st = { 0x0690, 3, 3, 0, 1 },
.bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
.ls_det_en = { 0x0680, 2, 2, 0, 1 },
.ls_det_st = { 0x0690, 2, 2, 0, 1 },
.ls_det_clr = { 0x06a0, 2, 2, 0, 1 },
.utmi_bvalid = { 0x0804, 10, 10, 0, 1 },
.utmi_ls = { 0x0804, 13, 12, 0, 1 },
},
[USB2PHY_PORT_HOST] = {
.phy_sus = { 0x0104, 15, 0, 0, 0x1d1 },
.ls_det_en = { 0x0680, 4, 4, 0, 1 },
.ls_det_st = { 0x0690, 4, 4, 0, 1 },
.ls_det_clr = { 0x06a0, 4, 4, 0, 1 },
.utmi_ls = { 0x0804, 9, 8, 0, 1 },
.utmi_hstdet = { 0x0804, 7, 7, 0, 1 }
}
},
.chg_det = {
.chg_mode = { 0x0100, 8, 0, 0, 0x1d7 },
.cp_det = { 0x0804, 1, 1, 0, 1 },
.dcp_det = { 0x0804, 0, 0, 0, 1 },
.dp_det = { 0x0804, 2, 2, 0, 1 },
.idm_sink_en = { 0x0108, 8, 8, 0, 1 },
.idp_sink_en = { 0x0108, 7, 7, 0, 1 },
.idp_src_en = { 0x0108, 9, 9, 0, 1 },
.rdm_pdwn_en = { 0x0108, 10, 10, 0, 1 },
.vdm_src_en = { 0x0108, 12, 12, 0, 1 },
.vdp_src_en = { 0x0108, 11, 11, 0, 1 },
},
},
{ /* sentinel */ }
};
static const struct of_device_id rockchip_usb2phy_dt_match[] = {
#ifdef CONFIG_CPU_PX30
{ .compatible = "rockchip,px30-usb2phy", .data = &rk3328_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK1808
{ .compatible = "rockchip,rk1808-usb2phy", .data = &rk1808_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK312X
{ .compatible = "rockchip,rk3128-usb2phy", .data = &rk312x_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK322X
{ .compatible = "rockchip,rk3228-usb2phy", .data = &rk3228_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3308
{ .compatible = "rockchip,rk3308-usb2phy", .data = &rk3308_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3328
{ .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3366
{ .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3368
{ .compatible = "rockchip,rk3368-usb2phy", .data = &rk3368_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3399
{ .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3568
{ .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RK3588
{ .compatible = "rockchip,rk3588-usb2phy", .data = &rk3588_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RV1106
{ .compatible = "rockchip,rv1106-usb2phy", .data = &rv1106_phy_cfgs },
#endif
#ifdef CONFIG_CPU_RV1108
{ .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs },
#endif
{}
};
MODULE_DEVICE_TABLE(of, rockchip_usb2phy_dt_match);
static struct platform_driver rockchip_usb2phy_driver = {
.probe = rockchip_usb2phy_probe,
.driver = {
.name = "rockchip-usb2phy",
.pm = ROCKCHIP_USB2PHY_DEV_PM,
.of_match_table = rockchip_usb2phy_dt_match,
},
};
module_platform_driver(rockchip_usb2phy_driver);
MODULE_AUTHOR("Frank Wang <frank.wang@rock-chips.com>");
MODULE_DESCRIPTION("Rockchip USB2.0 PHY driver");
MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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