48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
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From b921a321a29a605cdfe4baf5ce771e49f630dcc9 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megi@xff.cz>
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Date: Mon, 19 Jun 2023 01:41:02 +0200
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Subject: [PATCH 468/469] mfd: rk8xx: Add support for RK806 power off
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Use DEV_OFF bit to power off the PMIC, when rockchip,system-power-controller
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is selected in DTS.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/mfd/rk8xx-core.c | 6 ++++++
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include/linux/mfd/rk808.h | 2 ++
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2 files changed, 8 insertions(+)
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diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c
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index 67f529d583b0..99d07b36b003 100644
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--- a/drivers/mfd/rk8xx-core.c
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+++ b/drivers/mfd/rk8xx-core.c
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@@ -529,6 +529,12 @@ static int rk808_power_off(struct sys_off_data *data)
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reg = RK805_DEV_CTRL_REG;
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bit = DEV_OFF;
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break;
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+ case RK806_ID:
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+ ret = regmap_write(rk808->regmap, RK806_SYS_CFG3, RK806_DEV_OFF);
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+ if (ret)
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+ dev_err(rk808->dev, "Failed to shutdown device!\n");
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+
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+ return NOTIFY_DONE;
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case RK808_ID:
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reg = RK808_DEVCTRL_REG,
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bit = DEV_OFF_RST;
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diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
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index e06ecffaf6bc..76642f60bafa 100644
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--- a/include/linux/mfd/rk808.h
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+++ b/include/linux/mfd/rk808.h
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@@ -634,6 +634,8 @@ enum rk805_reg {
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#define RK806_CMD_LEN_MSK 0x0f
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#define RK806_REG_H 0x00
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+#define RK806_DEV_OFF 0x01
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+
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#define VERSION_AB 0x01
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enum rk806_reg_id {
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--
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2.34.1
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