^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright (C) 2017 Broadcom
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * modify it under the terms of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * published by the Free Software Foundation version 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * This program is distributed "as is" WITHOUT ANY WARRANTY of any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * kind, whether express or implied; without even the implied warranty
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/extcon-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/iopoll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/mfd/syscon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/of_address.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/phy/phy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define ICFG_DRD_AFE 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define ICFG_MISC_STAT 0x18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define ICFG_DRD_P0CTL 0x1C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define ICFG_STRAP_CTRL 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define ICFG_FSM_CTRL 0x24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define ICFG_DEV_BIT BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define IDM_RST_BIT BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define AFE_CORERDY_VDDC BIT(18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define PHY_PLL_RESETB BIT(15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define PHY_RESETB BIT(14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define PHY_PLL_LOCK BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define DRD_DEV_MODE BIT(20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define OHCI_OVRCUR_POL BIT(11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define ICFG_OFF_MODE BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define PLL_LOCK_RETRY 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define EVT_DEVICE 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define EVT_HOST 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define DRD_HOST_MODE (BIT(2) | BIT(3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define DRD_DEVICE_MODE (BIT(4) | BIT(5))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define DRD_HOST_VAL 0x803
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define DRD_DEV_VAL 0x807
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define GPIO_DELAY 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct ns2_phy_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct ns2_phy_driver {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) void __iomem *icfgdrd_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) void __iomem *idmdrd_rst_ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void __iomem *crmu_usb2_ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) void __iomem *usb2h_strap_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct ns2_phy_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct extcon_dev *edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct gpio_desc *vbus_gpiod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct gpio_desc *id_gpiod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int id_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int vbus_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) unsigned long debounce_jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct delayed_work wq_extcon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct ns2_phy_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct ns2_phy_driver *driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct phy *phy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static const unsigned int usb_extcon_cable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) EXTCON_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) EXTCON_USB_HOST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) EXTCON_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static inline int pll_lock_stat(u32 usb_reg, int reg_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct ns2_phy_driver *driver)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return readl_poll_timeout_atomic(driver->icfgdrd_regs + usb_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) val, (val & reg_mask), 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) PLL_LOCK_RETRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static int ns2_drd_phy_init(struct phy *phy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct ns2_phy_data *data = phy_get_drvdata(phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct ns2_phy_driver *driver = data->driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (data->new_state == EVT_HOST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) val &= ~DRD_DEVICE_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) val |= DRD_HOST_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) val &= ~DRD_HOST_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) val |= DRD_DEVICE_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static int ns2_drd_phy_poweroff(struct phy *phy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct ns2_phy_data *data = phy_get_drvdata(phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct ns2_phy_driver *driver = data->driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) val &= ~AFE_CORERDY_VDDC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) val &= ~DRD_DEV_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* Disable Host and Device Mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) val &= ~(DRD_HOST_MODE | DRD_DEVICE_MODE | ICFG_OFF_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static int ns2_drd_phy_poweron(struct phy *phy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct ns2_phy_data *data = phy_get_drvdata(phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct ns2_phy_driver *driver = data->driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) u32 extcon_event = data->new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (extcon_event == EVT_DEVICE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) writel(DRD_DEV_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) val = readl(driver->idmdrd_rst_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) val &= ~IDM_RST_BIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) writel(val, driver->idmdrd_rst_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) val |= (AFE_CORERDY_VDDC | DRD_DEV_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* Bring PHY and PHY_PLL out of Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) val |= (PHY_PLL_RESETB | PHY_RESETB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) ret = pll_lock_stat(ICFG_MISC_STAT, PHY_PLL_LOCK, driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) dev_err(&phy->dev, "Phy PLL lock failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) writel(DRD_HOST_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) val |= AFE_CORERDY_VDDC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) ret = pll_lock_stat(ICFG_MISC_STAT, PHY_PLL_LOCK, driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) dev_err(&phy->dev, "Phy PLL lock failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) val = readl(driver->idmdrd_rst_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) val &= ~IDM_RST_BIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) writel(val, driver->idmdrd_rst_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /* port over current Polarity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) val = readl(driver->usb2h_strap_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) val |= OHCI_OVRCUR_POL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) writel(val, driver->usb2h_strap_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static void connect_change(struct ns2_phy_driver *driver)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) u32 extcon_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) extcon_event = driver->data->new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) switch (extcon_event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) case EVT_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) val &= ~(DRD_HOST_MODE | DRD_DEVICE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) val = (val & ~DRD_HOST_MODE) | DRD_DEVICE_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) val |= ICFG_DEV_BIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) case EVT_HOST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) val &= ~(DRD_HOST_MODE | DRD_DEVICE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) val = (val & ~DRD_DEVICE_MODE) | DRD_HOST_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) val = readl(driver->usb2h_strap_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) val |= OHCI_OVRCUR_POL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) writel(val, driver->usb2h_strap_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) val &= ~ICFG_DEV_BIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) pr_err("Invalid extcon event\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static void extcon_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct ns2_phy_driver *driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int vbus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) driver = container_of(to_delayed_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct ns2_phy_driver, wq_extcon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) id = gpiod_get_value_cansleep(driver->id_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) vbus = gpiod_get_value_cansleep(driver->vbus_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (!id && vbus) { /* Host connected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) extcon_set_state_sync(driver->edev, EXTCON_USB_HOST, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) pr_debug("Host cable connected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) driver->data->new_state = EVT_HOST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) connect_change(driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) } else if (id && !vbus) { /* Disconnected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) extcon_set_state_sync(driver->edev, EXTCON_USB_HOST, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) extcon_set_state_sync(driver->edev, EXTCON_USB, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) pr_debug("Cable disconnected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) } else if (id && vbus) { /* Device connected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) extcon_set_state_sync(driver->edev, EXTCON_USB, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) pr_debug("Device cable connected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) driver->data->new_state = EVT_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) connect_change(driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct ns2_phy_driver *driver = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) queue_delayed_work(system_power_efficient_wq, &driver->wq_extcon,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) driver->debounce_jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static const struct phy_ops ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .init = ns2_drd_phy_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .power_on = ns2_drd_phy_poweron,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .power_off = ns2_drd_phy_poweroff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static const struct of_device_id ns2_drd_phy_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) { .compatible = "brcm,ns2-drd-phy", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) MODULE_DEVICE_TABLE(of, ns2_drd_phy_dt_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int ns2_drd_phy_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) struct phy_provider *phy_provider;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct ns2_phy_driver *driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) struct ns2_phy_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) driver = devm_kzalloc(dev, sizeof(struct ns2_phy_driver),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (!driver)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) driver->data = devm_kzalloc(dev, sizeof(struct ns2_phy_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (!driver->data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "icfg");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) driver->icfgdrd_regs = devm_ioremap_resource(dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (IS_ERR(driver->icfgdrd_regs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return PTR_ERR(driver->icfgdrd_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rst-ctrl");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) driver->idmdrd_rst_ctrl = devm_ioremap_resource(dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (IS_ERR(driver->idmdrd_rst_ctrl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) return PTR_ERR(driver->idmdrd_rst_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crmu-ctrl");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) driver->crmu_usb2_ctrl = devm_ioremap_resource(dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (IS_ERR(driver->crmu_usb2_ctrl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return PTR_ERR(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "usb2-strap");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) driver->usb2h_strap_reg = devm_ioremap_resource(dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (IS_ERR(driver->usb2h_strap_reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return PTR_ERR(driver->usb2h_strap_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) /* create extcon */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) driver->id_gpiod = devm_gpiod_get(&pdev->dev, "id", GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (IS_ERR(driver->id_gpiod)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) dev_err(dev, "failed to get ID GPIO\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return PTR_ERR(driver->id_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) driver->vbus_gpiod = devm_gpiod_get(&pdev->dev, "vbus", GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (IS_ERR(driver->vbus_gpiod)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) dev_err(dev, "failed to get VBUS GPIO\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) return PTR_ERR(driver->vbus_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) driver->edev = devm_extcon_dev_allocate(dev, usb_extcon_cable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (IS_ERR(driver->edev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) dev_err(dev, "failed to allocate extcon device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ret = devm_extcon_dev_register(dev, driver->edev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) dev_err(dev, "failed to register extcon device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) ret = gpiod_set_debounce(driver->id_gpiod, GPIO_DELAY * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) driver->debounce_jiffies = msecs_to_jiffies(GPIO_DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) INIT_DELAYED_WORK(&driver->wq_extcon, extcon_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) driver->id_irq = gpiod_to_irq(driver->id_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (driver->id_irq < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) dev_err(dev, "failed to get ID IRQ\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return driver->id_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) driver->vbus_irq = gpiod_to_irq(driver->vbus_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (driver->vbus_irq < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) dev_err(dev, "failed to get ID IRQ\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) return driver->vbus_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) ret = devm_request_irq(dev, driver->id_irq, gpio_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) "usb_id", driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) dev_err(dev, "failed to request handler for ID IRQ\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ret = devm_request_irq(dev, driver->vbus_irq, gpio_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) "usb_vbus", driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) dev_err(dev, "failed to request handler for VBUS IRQ\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) dev_set_drvdata(dev, driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /* Shutdown all ports. They can be powered up as required */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) val = readl(driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) val &= ~(AFE_CORERDY_VDDC | PHY_RESETB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) writel(val, driver->crmu_usb2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) data = driver->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) data->phy = devm_phy_create(dev, dev->of_node, &ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (IS_ERR(data->phy)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) dev_err(dev, "Failed to create usb drd phy\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) return PTR_ERR(data->phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) data->driver = driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) phy_set_drvdata(data->phy, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (IS_ERR(phy_provider)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) dev_err(dev, "Failed to register as phy provider\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return PTR_ERR(phy_provider);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) platform_set_drvdata(pdev, driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) dev_info(dev, "Registered NS2 DRD Phy device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) queue_delayed_work(system_power_efficient_wq, &driver->wq_extcon,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) driver->debounce_jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) static struct platform_driver ns2_drd_phy_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .probe = ns2_drd_phy_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) .name = "bcm-ns2-usbphy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .of_match_table = of_match_ptr(ns2_drd_phy_dt_ids),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) module_platform_driver(ns2_drd_phy_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) MODULE_ALIAS("platform:bcm-ns2-drd-phy");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) MODULE_AUTHOR("Broadcom");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) MODULE_DESCRIPTION("Broadcom NS2 USB2 PHY driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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