^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * twl6030_usb - TWL6030 USB transceiver, talking to OMAP OTG driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author: Hema HK <hemahk@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/usb/musb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/usb/phy_companion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/phy/omap_usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/mfd/twl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* usb register definitions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define USB_VENDOR_ID_LSB 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define USB_VENDOR_ID_MSB 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define USB_PRODUCT_ID_LSB 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define USB_PRODUCT_ID_MSB 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define USB_VBUS_CTRL_SET 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define USB_VBUS_CTRL_CLR 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define USB_ID_CTRL_SET 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define USB_ID_CTRL_CLR 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define USB_VBUS_INT_SRC 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define USB_VBUS_INT_LATCH_SET 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define USB_VBUS_INT_LATCH_CLR 0x0A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define USB_VBUS_INT_EN_LO_SET 0x0B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define USB_VBUS_INT_EN_LO_CLR 0x0C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define USB_VBUS_INT_EN_HI_SET 0x0D
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define USB_VBUS_INT_EN_HI_CLR 0x0E
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define USB_ID_INT_SRC 0x0F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define USB_ID_INT_LATCH_SET 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define USB_ID_INT_LATCH_CLR 0x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define USB_ID_INT_EN_LO_SET 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define USB_ID_INT_EN_LO_CLR 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define USB_ID_INT_EN_HI_SET 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define USB_ID_INT_EN_HI_CLR 0x15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define USB_OTG_ADP_CTRL 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define USB_OTG_ADP_HIGH 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define USB_OTG_ADP_LOW 0x18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define USB_OTG_ADP_RISE 0x19
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define USB_OTG_REVISION 0x1A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* to be moved to LDO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define TWL6030_MISC2 0xE5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define TWL6030_CFG_LDO_PD2 0xF5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define TWL6030_BACKUP_REG 0xFA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define STS_HW_CONDITIONS 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* In module TWL6030_MODULE_PM_MASTER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define STS_HW_CONDITIONS 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define STS_USB_ID BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* In module TWL6030_MODULE_PM_RECEIVER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define VUSB_CFG_TRANS 0x71
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define VUSB_CFG_STATE 0x72
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define VUSB_CFG_VOLTAGE 0x73
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /* in module TWL6030_MODULE_MAIN_CHARGE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define CHARGERUSB_CTRL1 0x8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define CONTROLLER_STAT1 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define VBUS_DET BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct twl6030_usb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct phy_companion comparator;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* for vbus reporting with irqs disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct regulator *usb3v3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* used to check initial cable status after probe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct delayed_work get_status_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* used to set vbus, in atomic path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct work_struct set_vbus_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int irq1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int irq2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) enum musb_vbus_id_status linkstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) u8 asleep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) bool vbus_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define comparator_to_twl(x) container_of((x), struct twl6030_usb, comparator)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static inline int twl6030_writeb(struct twl6030_usb *twl, u8 module,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) u8 data, u8 address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ret = twl_i2c_write_u8(module, data, address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) dev_err(twl->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) "Write[0x%x] Error %d\n", address, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u8 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ret = twl_i2c_read_u8(module, &data, address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) ret = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) dev_err(twl->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) "readb[0x%x,0x%x] Error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) module, address, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static int twl6030_start_srp(struct phy_companion *comparator)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct twl6030_usb *twl = comparator_to_twl(comparator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) mdelay(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) twl6030_writeb(twl, TWL_MODULE_USB, 0xa0, USB_VBUS_CTRL_CLR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /* Set to OTG_REV 1.3 and turn on the ID_WAKEUP_COMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_BACKUP_REG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* Program CFG_LDO_PD2 register and set VUSB bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_CFG_LDO_PD2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* Program MISC2 register and set bit VUSB_IN_VBAT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x10, TWL6030_MISC2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) twl->usb3v3 = regulator_get(twl->dev, "usb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (IS_ERR(twl->usb3v3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* Program the USB_VBUS_CTRL_SET and set VBUS_ACT_COMP bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) twl6030_writeb(twl, TWL_MODULE_USB, 0x4, USB_VBUS_CTRL_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * Program the USB_ID_CTRL_SET register to enable GND drive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * and the ID comparators
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) twl6030_writeb(twl, TWL_MODULE_USB, 0x14, USB_ID_CTRL_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static ssize_t vbus_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct twl6030_usb *twl = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) spin_lock_irqsave(&twl->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) switch (twl->linkstat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) case MUSB_VBUS_VALID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) ret = snprintf(buf, PAGE_SIZE, "vbus\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) case MUSB_ID_GROUND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) ret = snprintf(buf, PAGE_SIZE, "id\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) case MUSB_VBUS_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ret = snprintf(buf, PAGE_SIZE, "none\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) ret = snprintf(buf, PAGE_SIZE, "UNKNOWN\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) spin_unlock_irqrestore(&twl->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static DEVICE_ATTR_RO(vbus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static struct attribute *twl6030_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) &dev_attr_vbus.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) ATTRIBUTE_GROUPS(twl6030);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct twl6030_usb *twl = _twl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) enum musb_vbus_id_status status = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) u8 vbus_state, hw_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) vbus_state = twl6030_readb(twl, TWL_MODULE_MAIN_CHARGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) CONTROLLER_STAT1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (!(hw_state & STS_USB_ID)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (vbus_state & VBUS_DET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) ret = regulator_enable(twl->usb3v3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) dev_err(twl->dev, "Failed to enable usb3v3\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) twl->asleep = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) status = MUSB_VBUS_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) twl->linkstat = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) ret = musb_mailbox(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) twl->linkstat = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (twl->linkstat != MUSB_UNKNOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) status = MUSB_VBUS_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) twl->linkstat = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ret = musb_mailbox(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) twl->linkstat = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (twl->asleep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) regulator_disable(twl->usb3v3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) twl->asleep = 0;
^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) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) sysfs_notify(&twl->dev->kobj, NULL, "vbus");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct twl6030_usb *twl = _twl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) enum musb_vbus_id_status status = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) u8 hw_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (hw_state & STS_USB_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ret = regulator_enable(twl->usb3v3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) dev_err(twl->dev, "Failed to enable usb3v3\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) twl->asleep = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_CLR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) status = MUSB_ID_GROUND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) twl->linkstat = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) ret = musb_mailbox(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) twl->linkstat = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_CLR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) twl6030_writeb(twl, TWL_MODULE_USB, status, USB_ID_INT_LATCH_CLR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static void twl6030_status_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) struct twl6030_usb *twl = container_of(work, struct twl6030_usb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) get_status_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) twl6030_usb_irq(twl->irq2, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) twl6030_usbotg_irq(twl->irq1, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) static int twl6030_enable_irq(struct twl6030_usb *twl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) twl6030_interrupt_unmask(0x05, REG_INT_MSK_LINE_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) twl6030_interrupt_unmask(0x05, REG_INT_MSK_STS_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) REG_INT_MSK_LINE_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) REG_INT_MSK_STS_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return 0;
^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) static void otg_set_vbus_work(struct work_struct *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) struct twl6030_usb *twl = container_of(data, struct twl6030_usb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) set_vbus_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) * Start driving VBUS. Set OPA_MODE bit in CHARGERUSB_CTRL1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) * register. This enables boost mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (twl->vbus_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x40,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) CHARGERUSB_CTRL1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) CHARGERUSB_CTRL1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static int twl6030_set_vbus(struct phy_companion *comparator, bool enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) struct twl6030_usb *twl = comparator_to_twl(comparator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) twl->vbus_enable = enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) schedule_work(&twl->set_vbus_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static int twl6030_usb_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) u32 ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct twl6030_usb *twl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) int status, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) dev_err(dev, "no DT info\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) return -EINVAL;
^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) twl = devm_kzalloc(dev, sizeof(*twl), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (!twl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) twl->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) twl->irq1 = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) twl->irq2 = platform_get_irq(pdev, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) twl->linkstat = MUSB_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (twl->irq1 < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) return twl->irq1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (twl->irq2 < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return twl->irq2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) twl->comparator.set_vbus = twl6030_set_vbus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) twl->comparator.start_srp = twl6030_start_srp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) ret = omap_usb2_set_comparator(&twl->comparator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (ret == -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) dev_info(&pdev->dev, "phy not ready, deferring probe");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) /* init spinlock for workqueue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) spin_lock_init(&twl->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) err = twl6030_usb_ldo_init(twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) dev_err(&pdev->dev, "ldo init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) platform_set_drvdata(pdev, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) INIT_DELAYED_WORK(&twl->get_status_work, twl6030_status_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) "twl6030_usb", twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) twl->irq1, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) goto err_put_regulator;
^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) status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) "twl6030_usb", twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) twl->irq2, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) goto err_free_irq1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) twl->asleep = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) twl6030_enable_irq(twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) schedule_delayed_work(&twl->get_status_work, HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) err_free_irq1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) free_irq(twl->irq1, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) err_put_regulator:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) regulator_put(twl->usb3v3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static int twl6030_usb_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) struct twl6030_usb *twl = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) cancel_delayed_work_sync(&twl->get_status_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) twl6030_interrupt_mask(TWL6030_USBOTG_INT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) REG_INT_MSK_LINE_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) twl6030_interrupt_mask(TWL6030_USBOTG_INT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) REG_INT_MSK_STS_C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) free_irq(twl->irq1, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) free_irq(twl->irq2, twl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) regulator_put(twl->usb3v3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) cancel_work_sync(&twl->set_vbus_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static const struct of_device_id twl6030_usb_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) { .compatible = "ti,twl6030-usb" },
^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_DEVICE_TABLE(of, twl6030_usb_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static struct platform_driver twl6030_usb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) .probe = twl6030_usb_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) .remove = twl6030_usb_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) .name = "twl6030_usb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) .of_match_table = of_match_ptr(twl6030_usb_id_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) .dev_groups = twl6030_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) static int __init twl6030_usb_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return platform_driver_register(&twl6030_usb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) subsys_initcall(twl6030_usb_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static void __exit twl6030_usb_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) platform_driver_unregister(&twl6030_usb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) module_exit(twl6030_usb_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) MODULE_ALIAS("platform:twl6030_usb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) MODULE_AUTHOR("Hema HK <hemahk@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) MODULE_DESCRIPTION("TWL6030 USB transceiver driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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