^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) * Power supply driver for the RICOH RN5T618 power management chip family
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2020 Andreas Kemnade
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.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/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/mfd/rn5t618.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define CHG_STATE_ADP_INPUT 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define CHG_STATE_USB_INPUT 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define CHG_STATE_MASK 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define CHG_STATE_CHG_OFF 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define CHG_STATE_CHG_READY_VADP 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define CHG_STATE_CHG_TRICKLE 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define CHG_STATE_CHG_RAPID 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define CHG_STATE_CHG_COMPLETE 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define CHG_STATE_SUSPEND 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define CHG_STATE_VCHG_OVER_VOL 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define CHG_STATE_BAT_ERROR 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define CHG_STATE_NO_BAT 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define CHG_STATE_BAT_OVER_VOL 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define CHG_STATE_BAT_TEMP_ERR 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define CHG_STATE_DIE_ERR 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define CHG_STATE_DIE_SHUTDOWN 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define CHG_STATE_NO_BAT2 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define CHG_STATE_CHG_READY_VUSB 14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define FG_ENABLE 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct rn5t618_power_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct rn5t618 *rn5t618;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct power_supply *battery;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct power_supply *usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct power_supply *adp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static enum power_supply_property rn5t618_usb_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static enum power_supply_property rn5t618_adp_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static enum power_supply_property rn5t618_battery_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) POWER_SUPPLY_PROP_CAPACITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) POWER_SUPPLY_PROP_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) POWER_SUPPLY_PROP_TECHNOLOGY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) POWER_SUPPLY_PROP_CHARGE_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) POWER_SUPPLY_PROP_CHARGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static int rn5t618_battery_read_doublereg(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) u8 reg, u16 *result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u8 data[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) u16 old, new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) old = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /* Prevent races when registers are changing. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) ret = regmap_bulk_read(info->rn5t618->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) reg, data, sizeof(data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) new = data[0] << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) new |= data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (new == old)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) old = new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) *result = new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return 0;
^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 int rn5t618_decode_status(unsigned int status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) switch (status & CHG_STATE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) case CHG_STATE_CHG_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) case CHG_STATE_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) case CHG_STATE_VCHG_OVER_VOL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) case CHG_STATE_DIE_SHUTDOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) case CHG_STATE_CHG_TRICKLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) case CHG_STATE_CHG_RAPID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) case CHG_STATE_CHG_COMPLETE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static int rn5t618_battery_status(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) if (v & 0xc0) { /* USB or ADP plugged */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) val->intval = rn5t618_decode_status(v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static int rn5t618_battery_present(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) v &= CHG_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if ((v == CHG_STATE_NO_BAT) || (v == CHG_STATE_NO_BAT2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) val->intval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) val->intval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return ret;
^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) static int rn5t618_battery_voltage_now(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) ret = rn5t618_battery_read_doublereg(info, RN5T618_VOLTAGE_1, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) val->intval = res * 2 * 2500 / 4095 * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static int rn5t618_battery_current_now(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) ret = rn5t618_battery_read_doublereg(info, RN5T618_CC_AVEREG1, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /* current is negative when discharging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) val->intval = sign_extend32(res, 13) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static int rn5t618_battery_capacity(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) ret = regmap_read(info->rn5t618->regmap, RN5T618_SOC, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) val->intval = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static int rn5t618_battery_temp(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) ret = rn5t618_battery_read_doublereg(info, RN5T618_TEMP_1, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) val->intval = sign_extend32(res, 11) * 10 / 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static int rn5t618_battery_tte(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) ret = rn5t618_battery_read_doublereg(info, RN5T618_TT_EMPTY_H, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (res == 65535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) val->intval = res * 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static int rn5t618_battery_ttf(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) ret = rn5t618_battery_read_doublereg(info, RN5T618_TT_FULL_H, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (res == 65535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) val->intval = res * 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static int rn5t618_battery_charge_full(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) ret = rn5t618_battery_read_doublereg(info, RN5T618_FA_CAP_H, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) val->intval = res * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) static int rn5t618_battery_charge_now(struct rn5t618_power_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) u16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) ret = rn5t618_battery_read_doublereg(info, RN5T618_RE_CAP_H, &res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) val->intval = res * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static int rn5t618_battery_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct rn5t618_power_info *info = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) ret = rn5t618_battery_status(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) ret = rn5t618_battery_present(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) ret = rn5t618_battery_voltage_now(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) ret = rn5t618_battery_current_now(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) case POWER_SUPPLY_PROP_CAPACITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) ret = rn5t618_battery_capacity(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) case POWER_SUPPLY_PROP_TEMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) ret = rn5t618_battery_temp(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ret = rn5t618_battery_tte(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ret = rn5t618_battery_ttf(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) case POWER_SUPPLY_PROP_TECHNOLOGY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) case POWER_SUPPLY_PROP_CHARGE_FULL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ret = rn5t618_battery_charge_full(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) case POWER_SUPPLY_PROP_CHARGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) ret = rn5t618_battery_charge_now(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return -EINVAL;
^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) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static int rn5t618_adp_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct rn5t618_power_info *info = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) unsigned int chgstate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) bool online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &chgstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) online = !!(chgstate & CHG_STATE_ADP_INPUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) val->intval = online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (!online) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) val->intval = rn5t618_decode_status(chgstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) if (val->intval != POWER_SUPPLY_STATUS_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) static int rn5t618_usb_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct rn5t618_power_info *info = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) unsigned int chgstate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) bool online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) ret = regmap_read(info->rn5t618->regmap, RN5T618_CHGSTATE, &chgstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) online = !!(chgstate & CHG_STATE_USB_INPUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) val->intval = online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (!online) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) val->intval = rn5t618_decode_status(chgstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (val->intval != POWER_SUPPLY_STATUS_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) static const struct power_supply_desc rn5t618_battery_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .name = "rn5t618-battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) .type = POWER_SUPPLY_TYPE_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) .properties = rn5t618_battery_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) .num_properties = ARRAY_SIZE(rn5t618_battery_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) .get_property = rn5t618_battery_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static const struct power_supply_desc rn5t618_adp_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) .name = "rn5t618-adp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .type = POWER_SUPPLY_TYPE_MAINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .properties = rn5t618_adp_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) .num_properties = ARRAY_SIZE(rn5t618_adp_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .get_property = rn5t618_adp_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static const struct power_supply_desc rn5t618_usb_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) .name = "rn5t618-usb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) .type = POWER_SUPPLY_TYPE_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) .properties = rn5t618_usb_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) .num_properties = ARRAY_SIZE(rn5t618_usb_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) .get_property = rn5t618_usb_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static irqreturn_t rn5t618_charger_irq(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct device *dev = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct rn5t618_power_info *info = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) unsigned int ctrl, stat1, stat2, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) regmap_read(info->rn5t618->regmap, RN5T618_CHGERR_IRR, &err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) regmap_read(info->rn5t618->regmap, RN5T618_CHGCTRL_IRR, &ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) regmap_read(info->rn5t618->regmap, RN5T618_CHGSTAT_IRR1, &stat1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) regmap_read(info->rn5t618->regmap, RN5T618_CHGSTAT_IRR2, &stat2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) regmap_write(info->rn5t618->regmap, RN5T618_CHGERR_IRR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) regmap_write(info->rn5t618->regmap, RN5T618_CHGCTRL_IRR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) regmap_write(info->rn5t618->regmap, RN5T618_CHGSTAT_IRR1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) regmap_write(info->rn5t618->regmap, RN5T618_CHGSTAT_IRR2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) dev_dbg(dev, "chgerr: %x chgctrl: %x chgstat: %x chgstat2: %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) err, ctrl, stat1, stat2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) power_supply_changed(info->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) power_supply_changed(info->adp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) power_supply_changed(info->battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return IRQ_HANDLED;
^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) static int rn5t618_power_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) struct power_supply_config psy_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) struct rn5t618_power_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) info->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) info->rn5t618 = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) info->irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) platform_set_drvdata(pdev, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) ret = regmap_read(info->rn5t618->regmap, RN5T618_CONTROL, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) if (!(v & FG_ENABLE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) /* E.g. the vendor kernels of various Kobo and Tolino Ebook
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) * readers disable the fuel gauge on shutdown. If a kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) * without fuel gauge support is booted after that, the fuel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * gauge will get decalibrated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) dev_info(&pdev->dev, "Fuel gauge not enabled, enabling now\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) dev_info(&pdev->dev, "Expect imprecise results\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) regmap_update_bits(info->rn5t618->regmap, RN5T618_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) FG_ENABLE, FG_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) psy_cfg.drv_data = info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) info->battery = devm_power_supply_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) &rn5t618_battery_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) if (IS_ERR(info->battery)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) ret = PTR_ERR(info->battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) dev_err(&pdev->dev, "failed to register battery: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) info->adp = devm_power_supply_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) &rn5t618_adp_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) if (IS_ERR(info->adp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) ret = PTR_ERR(info->adp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) dev_err(&pdev->dev, "failed to register adp: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) info->usb = devm_power_supply_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) &rn5t618_usb_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) if (IS_ERR(info->usb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) ret = PTR_ERR(info->usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) dev_err(&pdev->dev, "failed to register usb: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (info->rn5t618->irq_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) info->irq = regmap_irq_get_virq(info->rn5t618->irq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) RN5T618_IRQ_CHG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) if (info->irq < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) info->irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) rn5t618_charger_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) "rn5t618_power",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) dev_err(&pdev->dev, "request IRQ:%d fail\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) info->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) info->irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) static struct platform_driver rn5t618_power_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) .name = "rn5t618-power",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) .probe = rn5t618_power_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) module_platform_driver(rn5t618_power_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) MODULE_ALIAS("platform:rn5t618-power");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) MODULE_DESCRIPTION("Power supply driver for RICOH RN5T618");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags