^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * ec battery driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2016 Rockchip Electronics Co., Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Shunqing Chen <csq@rock-chips.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * This program is free software; you can redistribute it and/or modify it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * under the terms and conditions of the GNU General Public License,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * version 2, as published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * This program is distributed in the hope it will be useful, but WITHOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static int dbg_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) module_param_named(dbg_level, dbg_enable, int, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define DBG(args...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) if (dbg_enable) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) printk(args); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct ec_battery {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct i2c_client *i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct power_supply *bat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct workqueue_struct *bat_monitor_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct delayed_work bat_delay_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u32 monitor_sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) u32 bat_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u16 status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int current_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u16 voltage_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u16 rem_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u16 full_charge_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u16 design_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int temperature_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) bool is_charge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) bool dis_charge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) bool is_ctitical;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) bool is_battery_low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) bool is_battery_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) bool is_ac_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct gpio_desc *ec_notify_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) enum bat_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) MODE_BATTARY = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) MODE_VIRTUAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* virtual params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define VIRTUAL_CURRENT 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define VIRTUAL_VOLTAGE 3888
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define VIRTUAL_SOC 66
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define VIRTUAL_PRESET 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define VIRTUAL_TEMPERATURE 188
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define VIRTUAL_STATUS POWER_SUPPLY_STATUS_CHARGING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define TIMER_MS_COUNTS 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define DEFAULT_MONITOR_SEC 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define EC_GET_VERSION_COMMOND 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define EC_GET_VERSION_INFO_NUM (5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define EC_GET_BATTERY_INFO_COMMOND 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define EC_GET_PARAMETER_NUM (13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define EC_GET_BATTERY_OTHER_COMMOND 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define EC_GET_BATTERYINFO_NUM (7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define EC_GET_BIT(a, b) (((a) & (1 << (b))) ? 1 : 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define EC_DIS_CHARGE(a) EC_GET_BIT(a, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define EC_IS_CHARGE(a) EC_GET_BIT(a, 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define EC_IS_CRITICAL(a) EC_GET_BIT(a, 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define EC_IS_BATTERY_LOW(a) EC_GET_BIT(a, 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define EC_IS_BATTERY_IN(a) EC_GET_BIT(a, 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define EC_IS_AC_IN(a) EC_GET_BIT(a, 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static int ec_i2c_read(struct ec_battery *bat, u8 cmd, u8 *dest, u16 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct i2c_client *i2c = bat->i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct i2c_msg msg[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u8 buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) buf[0] = cmd; /* EC_GET_BATTERY_INFO_COMMOND; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) msg[0].addr = i2c->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) msg[0].flags = i2c->flags & I2C_M_TEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) msg[0].len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) msg[0].buf = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) msg[1].addr = i2c->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) msg[1].flags = i2c->flags & I2C_M_TEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) msg[1].flags |= I2C_M_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) msg[1].len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) msg[1].buf = dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ret = i2c_transfer(i2c->adapter, msg, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static void ec_dump_info(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) DBG("==========================================\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) DBG("battery status: %x\n", bat->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) temp = bat->temperature_now / 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) DBG("Temp: %d K (%d C))\n", temp, (temp - 272));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) DBG("current_now: %d ma\n", bat->current_now);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) DBG("voltage_now: %d mv\n", bat->voltage_now);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) DBG("Charge: %d %%\n", bat->soc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) DBG("Remaining: %d mAh\n", bat->rem_capacity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) DBG("Cap-full: %d mAh\n", bat->full_charge_capacity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) DBG("Design: %d mAh\n", bat->design_capacity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) DBG("==========================================\n");
^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 ec_get_battery_info(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) u8 buf[13] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) u16 voltage2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) u16 full_charge_capacity_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) u16 design_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) u16 cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = ec_i2c_read(bat, EC_GET_BATTERY_INFO_COMMOND, buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) EC_GET_PARAMETER_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if ((EC_GET_PARAMETER_NUM - 1) == buf[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) bat->status = buf[2] << 8 | buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) cur = (buf[4] << 8 | buf[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) bat->current_now = cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (buf[4] & 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) bat->current_now = (~cur) & 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) bat->current_now = -(bat->current_now);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) bat->rem_capacity = buf[6] << 8 | buf[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) bat->voltage_now = buf[8] << 8 | buf[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) bat->full_charge_capacity = buf[10] << 8 | buf[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) bat->temperature_now = buf[12] << 8 | buf[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) soc = (bat->rem_capacity + bat->full_charge_capacity / 101) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 100 / bat->full_charge_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (soc > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) bat->soc = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) else if (soc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) bat->soc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) bat->soc = soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) dev_err(bat->dev, "get battery info from 0x07 erro\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) ret = ec_i2c_read(bat, EC_GET_BATTERY_OTHER_COMMOND, buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) EC_GET_BATTERYINFO_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if ((EC_GET_BATTERYINFO_NUM - 1) == buf[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) full_charge_capacity_1 = buf[2] << 8 | buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) voltage2 = buf[4] << 8 | buf[3]; /* the same to uppo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) design_capacity = buf[6] << 8 | buf[5]; /* the same to uppo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) bat->design_capacity = design_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) ec_dump_info(bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return 0;
^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) static int ec_get_current(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return bat->current_now * 1000;
^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) static int ec_get_voltage(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return bat->voltage_now * 1000;
^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) static int is_ec_bat_exist(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) int is_exist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) is_exist = EC_IS_BATTERY_IN(bat->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return is_exist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int ec_get_capacity(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return bat->soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static int ec_get_temperature(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) temp = bat->temperature_now - 2722;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) return temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static int ec_bat_chrg_online(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return EC_IS_CHARGE(bat->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static int ec_bat_parse_dt(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) u32 out_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct device_node *np = bat->dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) bat->bat_mode = MODE_BATTARY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) bat->monitor_sec = DEFAULT_MONITOR_SEC * TIMER_MS_COUNTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) ret = of_property_read_u32(np, "virtual_power", &bat->bat_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dev_err(bat->dev, "virtual_power missing!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ret = of_property_read_u32(np, "monitor_sec", &out_value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) dev_err(bat->dev, "monitor_sec missing!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) bat->monitor_sec = out_value * TIMER_MS_COUNTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) bat->ec_notify_io =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) devm_gpiod_get_optional(bat->dev, "ec-notify",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (!IS_ERR_OR_NULL(bat->ec_notify_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) gpiod_direction_output(bat->ec_notify_io, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static int ec_bat_parse_dt(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static enum power_supply_property ec_bat_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) POWER_SUPPLY_PROP_CAPACITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) POWER_SUPPLY_PROP_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static int ec_battery_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct ec_battery *bat = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) val->intval = ec_get_current(bat);/*uA*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) val->intval = VIRTUAL_CURRENT * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) val->intval = ec_get_voltage(bat);/*uV*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) val->intval = VIRTUAL_VOLTAGE * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) val->intval = is_ec_bat_exist(bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) val->intval = VIRTUAL_PRESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) case POWER_SUPPLY_PROP_CAPACITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) val->intval = ec_get_capacity(bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) val->intval = VIRTUAL_SOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) val->intval = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) case POWER_SUPPLY_PROP_TEMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) val->intval = ec_get_temperature(bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) val->intval = VIRTUAL_TEMPERATURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (bat->bat_mode == MODE_VIRTUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) val->intval = VIRTUAL_STATUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) else if (ec_get_capacity(bat) == 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) else if (ec_bat_chrg_online(bat))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static const struct power_supply_desc ec_bat_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) .name = "battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) .type = POWER_SUPPLY_TYPE_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) .properties = ec_bat_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) .num_properties = ARRAY_SIZE(ec_bat_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) .get_property = ec_battery_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static int ec_bat_init_power_supply(struct ec_battery *bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) struct power_supply_config psy_cfg = { .drv_data = bat, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) bat->bat = power_supply_register(bat->dev, &ec_bat_desc, &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (IS_ERR(bat->bat)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) dev_err(bat->dev, "register bat power supply fail\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return PTR_ERR(bat->bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static void ec_bat_power_supply_changed(struct ec_battery *ec_bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) bool state_changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static int old_cap = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) static int old_temperature;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) state_changed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (ec_get_capacity(ec_bat) != old_cap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) state_changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) else if (ec_get_temperature(ec_bat) != old_temperature)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) state_changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if (state_changed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) power_supply_changed(ec_bat->bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) old_cap = ec_get_capacity(ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) old_temperature = ec_get_temperature(ec_bat);
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) static void ec_battery_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct ec_battery *ec_bat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) container_of(work, struct ec_battery, bat_delay_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) ec_get_battery_info(ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) ec_bat_power_supply_changed(ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) queue_delayed_work(ec_bat->bat_monitor_wq, &ec_bat->bat_delay_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) msecs_to_jiffies(ec_bat->monitor_sec));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static int ec_charger_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) struct ec_battery *ec_bat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) ec_bat = devm_kzalloc(&client->dev, sizeof(*ec_bat), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) if (!ec_bat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ec_bat->dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ec_bat->i2c = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) i2c_set_clientdata(client, ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ret = ec_bat_parse_dt(ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) dev_err(ec_bat->dev, "parse dt failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) ret = ec_bat_init_power_supply(ec_bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) dev_err(ec_bat->dev, "init power supply fail!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) ec_bat->bat_monitor_wq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) alloc_ordered_workqueue("%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) WQ_MEM_RECLAIM | WQ_FREEZABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) "ec-bat-monitor-wq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) INIT_DELAYED_WORK(&ec_bat->bat_delay_work, ec_battery_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) queue_delayed_work(ec_bat->bat_monitor_wq, &ec_bat->bat_delay_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) msecs_to_jiffies(TIMER_MS_COUNTS * 5));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) static int ec_bat_pm_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct ec_battery *ec_bat = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) cancel_delayed_work_sync(&ec_bat->bat_delay_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) if (!IS_ERR_OR_NULL(ec_bat->ec_notify_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) gpiod_direction_output(ec_bat->ec_notify_io, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) static int ec_bat_pm_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct ec_battery *ec_bat = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (!IS_ERR_OR_NULL(ec_bat->ec_notify_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) gpiod_direction_output(ec_bat->ec_notify_io, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) queue_delayed_work(ec_bat->bat_monitor_wq, &ec_bat->bat_delay_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) msecs_to_jiffies(TIMER_MS_COUNTS * 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) static SIMPLE_DEV_PM_OPS(ec_bat_pm_ops, ec_bat_pm_suspend, ec_bat_pm_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) static const struct i2c_device_id ec_battery_i2c_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) { "ec_battery" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) MODULE_DEVICE_TABLE(i2c, ec_battery_i2c_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) static const struct of_device_id ec_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) { .compatible = "rockchip,ec-battery" },
^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) MODULE_DEVICE_TABLE(of, ec_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static const struct of_device_id ec_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) static struct i2c_driver ec_i2c_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) .name = "ec_battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) .pm = &ec_bat_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) .of_match_table = ec_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .id_table = ec_battery_i2c_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) .probe = ec_charger_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) module_i2c_driver(ec_i2c_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) MODULE_ALIAS("platform:ec-charger");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) MODULE_AUTHOR("Shunqing Chen<csq@rock-chips.com>");