openwrt/target/linux/rockchip/patches-6.6/055-06-v6.9-arm64-dts-rockchip-fix-nanopc-t6-sdmmc-regulator.patch

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From 6cb02674a061e4ef4f437ab60c91038d4c0d85ef Mon Sep 17 00:00:00 2001
From: John Clark <inindev@gmail.com>
Date: Tue, 2 Jan 2024 02:40:53 +0000
Subject: [PATCH] arm64: dts: rockchip: fix nanopc-t6 sdmmc regulator
sdmmc on the nanopc-t6 is powered by vcc3v3_sd_s0, not vcc_3v3_s3
add the vcc3v3_sd_s0 regulator, and control it with gpio4_a5
Signed-off-by: John Clark <inindev@gmail.com>
Link: https://lore.kernel.org/r/20240102024054.1030313-1-inindev@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts
@@ -160,6 +160,17 @@
vin-supply = <&vcc5v0_sys>;
};
+ vcc3v3_sd_s0: vcc3v3-sd-s0-regulator {
+ compatible = "regulator-fixed";
+ enable-active-low;
+ gpio = <&gpio4 RK_PA5 GPIO_ACTIVE_LOW>;
+ regulator-boot-on;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "vcc3v3_sd_s0";
+ vin-supply = <&vcc_3v3_s3>;
+ };
+
vdd_4g_3v3: vdd-4g-3v3-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -560,7 +571,7 @@
no-mmc;
no-sdio;
sd-uhs-sdr104;
- vmmc-supply = <&vcc_3v3_s3>;
+ vmmc-supply = <&vcc3v3_sd_s0>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";
};