[PATCH v3 1/2] arm64: dts: qcom: qcs6490-rubikpi3: Add 3.3 V output supply
From: Hongyang Zhao <hidden>
Date: 2026-08-12 02:23:39
Also in:
imx, linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
Describe the GPIO-controlled VCC3V3_OUTPUT rail. This board-level rail supplies the two camera connectors and the 40-pin expansion header. Keep the rail enabled because expansion-header consumers are not represented in the Device Tree. Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Hongyang Zhao <redacted> --- .../boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
index 13e8e62f6205..0f21777c480b 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts@@ -214,6 +214,22 @@ 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; + }; + vph_pwr: regulator-vph-pwr { compatible = "regulator-fixed";
@@ -1251,6 +1267,13 @@ 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