Thread (3 messages) 3 messages, 3 authors, 2026-03-02
STALE130d

[PATCH] arm64: dts: rockchip: Fix sdmmc pwren pinctrl for rk3576-evb2

From: Chaoyi Chen <hidden>
Date: 2026-02-26 10:22:51
Also in: linux-devicetree, linux-rockchip, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Chaoyi Chen <redacted>

In rk3576.dtsi, sdmmc0_pwren is configured as part of the sdmmc pinctrl.
However, on the rk3576 evb2 board, sdmmc0_pwren is used as the regulator
for vmmc-supply. Therefore, we need to reassign the sdmmc pinctrl and
remove sdmmc0_pwren to avoid conflicts.

Cc: Shawn Lin <shawn.lin@rock-chips.com>
Fixes: 86a82f7a7eed ("arm64: dts: rockchip: Add rk3576 evb2 board")
Signed-off-by: Chaoyi Chen <redacted>
---
 arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
index 6bdc232ab267..98d5d00d63b5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-evb2-v10.dts
@@ -951,6 +951,8 @@ &sdmmc {
 	disable-wp;
 	no-sdio;
 	no-mmc;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_det &sdmmc0_bus4>;
 	sd-uhs-sdr104;
 	vmmc-supply = <&vcc3v3_sd>;
 	vqmmc-supply = <&vccio_sd_s0>;
-- 
2.51.1

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