Define the DC power input and the 4v power as fixed regulator supplies.
Define the SpacemiT P1 PMIC voltage regulators and their constraints.
Co-developed-by: Chukun Pan <amadeus@jmu.edu.cn>
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Tested-by: Vincent Legoll <legoll@online.fr> # OrangePi-RV2
Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
---
.../boot/dts/spacemit/k1-orangepi-rv2.dts | 131 ++++++++++++++++++
1 file changed, 131 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 57ec1cc32b03..f7a1dadaa95f 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -23,6 +23,25 @@ chosen {
stdout-path = "serial0";
};
+ vcc_5v0: regulator-vcc-5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_5v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vcc4v0: regulator-vcc4v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc4v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <4000000>;
+ regulator-max-microvolt = <4000000>;
+ vin-supply = <&vcc_5v0>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -91,6 +110,118 @@ &i2c8 {
pinctrl-names = "default";
pinctrl-0 = <&i2c8_cfg>;
status = "okay";
+
+ pmic@41 {
+ compatible = "spacemit,p1";
+ reg = <0x41>;
+ interrupts = <64>;
+ vin1-supply = <&vcc4v0>;
+ vin2-supply = <&vcc4v0>;
+ vin3-supply = <&vcc4v0>;
+ vin4-supply = <&vcc4v0>;
+ vin5-supply = <&vcc4v0>;
+ vin6-supply = <&vcc4v0>;
+ aldoin-supply = <&vcc4v0>;
+ dldoin1-supply = <&buck5>;
+ dldoin2-supply = <&buck5>;
+
+ regulators {
+ buck1 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3450000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ buck2 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3450000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ buck3_1v8: buck3 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ buck4_3v3: buck4 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ buck5: buck5 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3450000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ buck6 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3450000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ aldo1 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ };
+
+ aldo2 {
+ /* not connected */
+ };
+
+ aldo3 {
+ /* not connected */
+ };
+
+ aldo4 {
+ /* not connected */
+ };
+
+ dldo1 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ };
+
+ dldo2 {
+ /* not connected */
+ };
+
+ dldo3 {
+ /* not connected */
+ };
+
+ dldo4 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-always-on;
+ };
+
+ dldo5 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ };
+
+ dldo6 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-always-on;
+ };
+
+ dldo7 {
+ /* not connected */
+ };
+ };
+ };
};
&uart0 {
--
2.47.3