arm: dts: rockchip: Set init-microvolt for pwm-regulators on Radxa E20C

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@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
index 05a58c136bcd0a7a1786c8ae80470329e60c3675..16c47e6b9a9e087950a3081e1e745c3a6642a476 100644 (file)
--- 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>;
+};