Add system-wide power supplies present on all of the boards in the
Asurada family.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
Changes in v3:
- Renamed nodes to be generic
.../boot/dts/mediatek/mt8192-asurada.dtsi | 64 +++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index e10636298639..ca55dd095e80 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -19,6 +19,70 @@ memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x80000000>;
};
+
+ /* system wide LDO 1.8V power rail */
+ pp1800_ldo_g: regulator-1v8-g {
+ compatible = "regulator-fixed";
+ regulator-name = "pp1800_ldo_g";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&pp3300_g>;
+ };
+
+ /* system wide switching 3.3V power rail */
+ pp3300_g: regulator-3v3-g {
+ compatible = "regulator-fixed";
+ regulator-name = "pp3300_g";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&ppvar_sys>;
+ };
+
+ /* system wide LDO 3.3V power rail */
+ pp3300_ldo_z: regulator-3v3-z {
+ compatible = "regulator-fixed";
+ regulator-name = "pp3300_ldo_z";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&ppvar_sys>;
+ };
+
+ /* separately switched 3.3V power rail */
+ pp3300_u: regulator-3v3-u {
+ compatible = "regulator-fixed";
+ regulator-name = "pp3300_u";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ /* enable pin wired to GPIO controlled by EC */
+ vin-supply = <&pp3300_g>;
+ };
+
+ /* system wide switching 5.0V power rail */
+ pp5000_a: regulator-5v0-a {
+ compatible = "regulator-fixed";
+ regulator-name = "pp5000_a";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&ppvar_sys>;
+ };
+
+ /* system wide semi-regulated power rail from battery or USB */
+ ppvar_sys: regulator-var-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "ppvar_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
&pio {
--
2.36.1
