From f83aab50e22ba523f29c7e3139af5eeaf4d7915a Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Mon, 19 Jun 2023 01:41:02 +0200 Subject: [PATCH 372/464] mfd: rk8xx: Add support for RK806 power off Use DEV_OFF bit to power off the PMIC, when rockchip,system-power-controller is selected in DTS. Signed-off-by: Ondrej Jirman --- drivers/mfd/rk8xx-core.c | 6 ++++++ include/linux/mfd/rk808.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c index a424cd13ca68..56bbfb175f38 100644 --- a/drivers/mfd/rk8xx-core.c +++ b/drivers/mfd/rk8xx-core.c @@ -528,6 +528,12 @@ static int rk808_power_off(struct sys_off_data *data) reg = RK805_DEV_CTRL_REG; bit = DEV_OFF; break; + case RK806_ID: + ret = regmap_write(rk808->regmap, RK806_SYS_CFG3, RK806_DEV_OFF); + if (ret) + dev_err(rk808->dev, "Failed to shutdown device!\n"); + + return NOTIFY_DONE; case RK808_ID: reg = RK808_DEVCTRL_REG, bit = DEV_OFF_RST; diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h index e06ecffaf6bc..76642f60bafa 100644 --- a/include/linux/mfd/rk808.h +++ b/include/linux/mfd/rk808.h @@ -634,6 +634,8 @@ enum rk805_reg { #define RK806_CMD_LEN_MSK 0x0f #define RK806_REG_H 0x00 +#define RK806_DEV_OFF 0x01 + #define VERSION_AB 0x01 enum rk806_reg_id { -- 2.34.1