^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Palmas USB transceiver driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Graeme Gregory <gg@slimlogic.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author: Kishon Vijay Abraham I <kishon@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Based on twl6030_usb.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Author: Hema HK <hemahk@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mfd/palmas.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define USB_GPIO_DEBOUNCE_MS 20 /* ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static const unsigned int palmas_extcon_cable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) EXTCON_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) EXTCON_USB_HOST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) EXTCON_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static void palmas_usb_wakeup(struct palmas *palmas, int enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) if (enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) palmas_write(palmas, PALMAS_USB_OTG_BASE, PALMAS_USB_WAKEUP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) PALMAS_USB_WAKEUP_ID_WK_UP_COMP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) palmas_write(palmas, PALMAS_USB_OTG_BASE, PALMAS_USB_WAKEUP, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static irqreturn_t palmas_vbus_irq_handler(int irq, void *_palmas_usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct palmas_usb *palmas_usb = _palmas_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct extcon_dev *edev = palmas_usb->edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int vbus_line_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) palmas_read(palmas_usb->palmas, PALMAS_INTERRUPT_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) PALMAS_INT3_LINE_STATE, &vbus_line_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) palmas_usb->linkstat = PALMAS_USB_STATE_VBUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) extcon_set_state_sync(edev, EXTCON_USB, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) dev_dbg(palmas_usb->dev, "USB cable is attached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) dev_dbg(palmas_usb->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) "Spurious connect event detected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) } else if (!(vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) extcon_set_state_sync(edev, EXTCON_USB, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) dev_dbg(palmas_usb->dev, "USB cable is detached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) dev_dbg(palmas_usb->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) "Spurious disconnect event detected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) unsigned int set, id_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct palmas_usb *palmas_usb = _palmas_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct extcon_dev *edev = palmas_usb->edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) PALMAS_USB_ID_INT_LATCH_SET, &set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) PALMAS_USB_ID_INT_SRC, &id_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if ((set & PALMAS_USB_ID_INT_SRC_ID_GND) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) (id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) PALMAS_USB_ID_INT_LATCH_CLR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) palmas_usb->linkstat = PALMAS_USB_STATE_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extcon_set_state_sync(edev, EXTCON_USB_HOST, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) } else if ((set & PALMAS_USB_ID_INT_SRC_ID_FLOAT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) (id_src & PALMAS_USB_ID_INT_SRC_ID_FLOAT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) PALMAS_USB_ID_INT_LATCH_CLR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) extcon_set_state_sync(edev, EXTCON_USB_HOST, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) } else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) (!(set & PALMAS_USB_ID_INT_SRC_ID_GND))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) extcon_set_state_sync(edev, EXTCON_USB_HOST, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) } else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) (id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) palmas_usb->linkstat = PALMAS_USB_STATE_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extcon_set_state_sync(edev, EXTCON_USB_HOST, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) dev_dbg(palmas_usb->dev, " USB-HOST cable is attached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static void palmas_gpio_id_detect(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct palmas_usb *palmas_usb = container_of(to_delayed_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct palmas_usb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) wq_detectid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct extcon_dev *edev = palmas_usb->edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (!palmas_usb->id_gpiod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) id = gpiod_get_value_cansleep(palmas_usb->id_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) extcon_set_state_sync(edev, EXTCON_USB_HOST, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) extcon_set_state_sync(edev, EXTCON_USB_HOST, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static irqreturn_t palmas_gpio_id_irq_handler(int irq, void *_palmas_usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct palmas_usb *palmas_usb = _palmas_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) queue_delayed_work(system_power_efficient_wq, &palmas_usb->wq_detectid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) palmas_usb->sw_debounce_jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static void palmas_enable_irq(struct palmas_usb *palmas_usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) PALMAS_USB_VBUS_CTRL_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) PALMAS_USB_VBUS_CTRL_SET_VBUS_ACT_COMP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (palmas_usb->enable_id_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) PALMAS_USB_ID_CTRL_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) PALMAS_USB_ID_CTRL_SET_ID_ACT_COMP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) PALMAS_USB_ID_INT_EN_HI_SET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) PALMAS_USB_ID_INT_EN_HI_SET_ID_GND |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) PALMAS_USB_ID_INT_EN_HI_SET_ID_FLOAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (palmas_usb->enable_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* cold plug for host mode needs this delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (palmas_usb->enable_id_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) msleep(30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) palmas_id_irq_handler(palmas_usb->id_irq, palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int palmas_usb_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct palmas_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct device_node *node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct palmas_usb *palmas_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (!palmas) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) dev_err(&pdev->dev, "failed to get valid parent\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (!palmas_usb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (node && !pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) palmas_usb->enable_id_detection = of_property_read_bool(node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) "ti,enable-id-detection");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) palmas_usb->enable_vbus_detection = of_property_read_bool(node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) "ti,enable-vbus-detection");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) palmas_usb->wakeup = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) palmas_usb->enable_id_detection = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) palmas_usb->enable_vbus_detection = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) palmas_usb->wakeup = pdata->wakeup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (IS_ERR(palmas_usb->id_gpiod))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->id_gpiod),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) "failed to get id gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) palmas_usb->vbus_gpiod = devm_gpiod_get_optional(&pdev->dev, "vbus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (IS_ERR(palmas_usb->vbus_gpiod))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->vbus_gpiod),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) "failed to get id gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (palmas_usb->enable_id_detection && palmas_usb->id_gpiod) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) palmas_usb->enable_id_detection = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) palmas_usb->enable_gpio_id_detection = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (palmas_usb->enable_vbus_detection && palmas_usb->vbus_gpiod) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) palmas_usb->enable_vbus_detection = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) palmas_usb->enable_gpio_vbus_detection = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (palmas_usb->enable_gpio_id_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) u32 debounce;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (of_property_read_u32(node, "debounce-delay-ms", &debounce))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) debounce = USB_GPIO_DEBOUNCE_MS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) status = gpiod_set_debounce(palmas_usb->id_gpiod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) debounce * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) palmas_usb->sw_debounce_jiffies = msecs_to_jiffies(debounce);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) INIT_DELAYED_WORK(&palmas_usb->wq_detectid, palmas_gpio_id_detect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) palmas->usb = palmas_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) palmas_usb->palmas = palmas;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) palmas_usb->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) palmas_usb_wakeup(palmas, palmas_usb->wakeup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) platform_set_drvdata(pdev, palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) palmas_extcon_cable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (IS_ERR(palmas_usb->edev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) dev_err(&pdev->dev, "failed to allocate extcon device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) dev_err(&pdev->dev, "failed to register extcon device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (palmas_usb->enable_id_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) PALMAS_ID_OTG_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) PALMAS_ID_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) status = devm_request_threaded_irq(palmas_usb->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) palmas_usb->id_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) NULL, palmas_id_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) "palmas_usb_id", palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) palmas_usb->id_irq, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) } else if (palmas_usb->enable_gpio_id_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) palmas_usb->gpio_id_irq = gpiod_to_irq(palmas_usb->id_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (palmas_usb->gpio_id_irq < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) dev_err(&pdev->dev, "failed to get id irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return palmas_usb->gpio_id_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) status = devm_request_threaded_irq(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) palmas_usb->gpio_id_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) palmas_gpio_id_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) IRQF_TRIGGER_RISING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) IRQF_TRIGGER_FALLING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) "palmas_usb_id",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) "failed to request handler for id irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (palmas_usb->enable_vbus_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) PALMAS_VBUS_OTG_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) PALMAS_VBUS_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) status = devm_request_threaded_irq(palmas_usb->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) palmas_usb->vbus_irq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) palmas_vbus_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) "palmas_usb_vbus", palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) palmas_usb->vbus_irq, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) } else if (palmas_usb->enable_gpio_vbus_detection) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /* remux GPIO_1 as VBUSDET */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) status = palmas_update_bits(palmas,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) PALMAS_PU_PD_OD_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) PALMAS_PRIMARY_SECONDARY_PAD1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) (1 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) dev_err(&pdev->dev, "can't remux GPIO1\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) PALMAS_VBUS_OTG_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) palmas_usb->gpio_vbus_irq = gpiod_to_irq(palmas_usb->vbus_gpiod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (palmas_usb->gpio_vbus_irq < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) dev_err(&pdev->dev, "failed to get vbus irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) return palmas_usb->gpio_vbus_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) status = devm_request_threaded_irq(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) palmas_usb->gpio_vbus_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) palmas_vbus_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) IRQF_TRIGGER_FALLING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) IRQF_TRIGGER_RISING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) "palmas_usb_vbus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) "failed to request handler for vbus irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) palmas_enable_irq(palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* perform initial detection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (palmas_usb->enable_gpio_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) device_set_wakeup_capable(&pdev->dev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) static int palmas_usb_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) struct palmas_usb *palmas_usb = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) cancel_delayed_work_sync(&palmas_usb->wq_detectid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) static int palmas_usb_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) struct palmas_usb *palmas_usb = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) if (device_may_wakeup(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (palmas_usb->enable_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) enable_irq_wake(palmas_usb->vbus_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) if (palmas_usb->enable_gpio_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) enable_irq_wake(palmas_usb->gpio_vbus_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (palmas_usb->enable_id_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) enable_irq_wake(palmas_usb->id_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (palmas_usb->enable_gpio_id_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) enable_irq_wake(palmas_usb->gpio_id_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static int palmas_usb_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct palmas_usb *palmas_usb = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (device_may_wakeup(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (palmas_usb->enable_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) disable_irq_wake(palmas_usb->vbus_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (palmas_usb->enable_gpio_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) disable_irq_wake(palmas_usb->gpio_vbus_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (palmas_usb->enable_id_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) disable_irq_wake(palmas_usb->id_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (palmas_usb->enable_gpio_id_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) disable_irq_wake(palmas_usb->gpio_id_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) /* check if GPIO states changed while suspend/resume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (palmas_usb->enable_gpio_vbus_detection)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) static SIMPLE_DEV_PM_OPS(palmas_pm_ops, palmas_usb_suspend, palmas_usb_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) static const struct of_device_id of_palmas_match_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) { .compatible = "ti,palmas-usb", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) { .compatible = "ti,palmas-usb-vid", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) { .compatible = "ti,twl6035-usb", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) { .compatible = "ti,twl6035-usb-vid", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) { /* end */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) static struct platform_driver palmas_usb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .probe = palmas_usb_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) .remove = palmas_usb_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) .name = "palmas-usb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) .of_match_table = of_palmas_match_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) .pm = &palmas_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) module_platform_driver(palmas_usb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) MODULE_ALIAS("platform:palmas-usb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) MODULE_DESCRIPTION("Palmas USB transceiver driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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