arm64: dts: allwinner: h616: rg35xx add missing regulator-ramp-delay

Commit Message

Philippe Simons Dec. 3, 2024, 8:38 p.m. UTC

AXP datasheet says that ramp delay is 15.625 us/step,
which is 10mV in our case.

add missing regulator-ramp-delay to dcdc regulators accordingly

Signed-off-by: Philippe Simons <[e-mail]>
---
 .../boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts    | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
index 80ccab7b5..b6e76a804 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
@@ -238,6 +238,7 @@  reg_dcdc1: dcdc1 {
 				regulator-always-on;
 				regulator-min-microvolt = <900000>;
 				regulator-max-microvolt = <1160000>;
+				regulator-ramp-delay = <640>;
 				regulator-name = "vdd-cpu";
 			};
 
@@ -245,6 +246,7 @@  reg_dcdc2: dcdc2 {
 				regulator-always-on;
 				regulator-min-microvolt = <940000>;
 				regulator-max-microvolt = <940000>;
+				regulator-ramp-delay = <640>;
 				regulator-name = "vdd-gpu-sys";
 			};
 
@@ -252,6 +254,7 @@  reg_dcdc3: dcdc3 {
 				regulator-always-on;
 				regulator-min-microvolt = <1100000>;
 				regulator-max-microvolt = <1100000>;
+				regulator-ramp-delay = <640>;
 				regulator-name = "vdd-dram";
 			};