[PATCH v2 1/2] arm64: dts: qcom: qcs6490-rubikpi3: Add 3.3 V output supply

From: Hongyang Zhao

Date: Wed Jul 22 2026 - 12:44:46 EST


Describe the GPIO-controlled VCC3V3_OUTPUT rail. This board-level rail
supplies the two camera connectors and the 40-pin expansion header.

Signed-off-by: Hongyang Zhao <hongyang.zhao@xxxxxxxxxxxxxxx>
---
.../boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
index d8a9a7e47bdc..45514918562b 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
@@ -214,6 +214,23 @@ vreg_usbhub_rest_1v8: regulator-usbhub-rest-1v8 {
regulator-boot-on;
};

+ vreg_vcc3v3_output: regulator-vcc3v3-output {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vcc3v3_output";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&tlmm 14 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&vcc3v3_output_en>;
+ pinctrl-names = "default";
+
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
vph_pwr: regulator-vph-pwr {
compatible = "regulator-fixed";

@@ -1251,6 +1268,13 @@ usb_eth_power: usb-eth-power-state {
bias-disable;
};

+ vcc3v3_output_en: vcc3v3-output-en-state {
+ pins = "gpio14";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
wifi_reset_active: wifi-reset-active-state {
pins = "gpio16";
function = "gpio";

--
2.43.0