Re: [PATCH 1/2] arm64: dts: qcom: hamoa-iot-som: Add pm8010 L4M regulator

From: Konrad Dybcio

Date: Mon Mar 02 2026 - 09:21:02 EST


On 2/27/26 6:29 AM, Wenmeng Liu wrote:
> From: Tingguo Cheng <tingguo.cheng@xxxxxxxxxxxxxxxx>
>
> Add pm8010 L4M regulator which is used by Camera I2C pull-up.

I think this mandates regulator-always-on, as we don't have a
better solution for that now

Konrad

>
> Signed-off-by: Tingguo Cheng <tingguo.cheng@xxxxxxxxxxxxxxxx>
> Signed-off-by: Wenmeng Liu <wenmeng.liu@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> index b8e3e04a6fbd489f66bb44a02aba7b9746f30fe2..5d9af325c931ebbc9f3f8261d427a31e6da090be 100644
> --- a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> @@ -376,6 +376,21 @@ vreg_l3j_0p8: ldo3 {
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> };
> };
> +
> + /* PM8010_M */
> + regulators-8 {
> + compatible = "qcom,pm8010-rpmh-regulators";
> + qcom,pmic-id = "m";
> +
> + vdd-l3-l4-supply = <&vreg_s4c_1p8>;
> +
> + vreg_l4m_1p8: ldo4 {
> + regulator-name = "vrer_l4m_1p8";

typo: 'vreg'

> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1808000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> + };
> };
>
> &iris {
>