[PATCH 3/8] arm: dts: rockchip: Set init-microvolt for pwm-regulators on Radxa E20C

[Kever Yang]

On 2025/7/31 07:52, Jonas Karlman wrote:
> Radxa E20C has two main pwm-regulators, vdd_arm and vdd_logic.
>
> Add init-microvolt props to ensure the regulators are initialized at
> the recommended power-on sequence voltage instead of at max voltage.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
> index 05a58c136bcd..16c47e6b9a9e 100644
> --- a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
> +++ b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
> @@ -5,3 +5,11 @@
>   &sdhci {
>   	mmc-hs200-1_8v;
>   };
> +
> +&vdd_arm {
> +	regulator-init-microvolt = <953000>;
> +};
> +
> +&vdd_logic {
> +	regulator-init-microvolt = <900000>;
> +};