Add 1v1, 1v8 and 3v3 PWR regulators on stm32mp131. Temporary add them
as fixed regulators, waiting for full SCMI regulators support.
This is a precursor patch to enable USB support on STM32MP13.
Note: USB support requires these regulators to be enabled before
entering kernel.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp131.dtsi | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
index dd35a607073d..e0e0e27a9221 100644
--- a/arch/arm/boot/dts/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/stm32mp131.dtsi
@@ -77,6 +77,28 @@ timer {
always-on;
};
+ /* PWR 1v1, 1v8 and 3v3 regulators defined as fixed, waiting for SCMI */
+ reg11: reg11 {
+ compatible = "regulator-fixed";
+ regulator-name = "reg11";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ };
+
+ reg18: reg18 {
+ compatible = "regulator-fixed";
+ regulator-name = "reg18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ usb33: usb33 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <1>;
--
2.25.1
