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>
---
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>;
+};
--
2.50.1
