[PATCH 12/13] arm64: dts: rockchip: add vcc3v3-lcd-s0 regulator to roc-rk3576-pc
Heiko Stuebner
heiko at sntech.de
Mon Jul 7 16:49:05 UTC 2025
This fixed regulator is described by the schematics as being part of the
baseboard and its output supply is then routed to the 30pin DSI connector
on the board.
Signed-off-by: Heiko Stuebner <heiko at sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3576-roc-pc.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3576-roc-pc.dts
index d4e437ea6cd8..d0ab1d1e0e11 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-roc-pc.dts
@@ -107,6 +107,18 @@ vcc1v8_ufs_vccq2_s0: regulator-vcc1v8-ufs-vccq2-s0 {
vin-supply = <&vcc_1v8_s3>;
};
+ vcc3v3_lcd_s0: regulator-vcc3v3-lcd-s0 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pwren_h>;
+ regulator-name = "vcc3v3-lcd-s0";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_3v3_s3>;
+ };
+
vcc3v3_pcie: regulator-vcc3v3-pcie {
compatible = "regulator-fixed";
enable-active-high;
@@ -715,6 +727,10 @@ rtc_int_l: rtc-int-l {
};
power {
+ lcd_pwren_h: lcd-pwren-h {
+ rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
vcc5vd_en: vcc5vd-en {
rockchip,pins = <2 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
};
--
2.47.2
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