Re: [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 <jo...@kwiboo.se>

Reviewed-by: Kever Yang <kever.y...@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>;
+};