riscv: dts: spacemit: Define the P1 PMIC regulators for OrangePi RV2

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>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/r/193370a69e1cc3e4d8c4eb57bfea208e29ac75d8.1775575436.git.gaohan@iscas.ac.cn
Signed-off-by: Yixun Lan <dlan@kernel.org>

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 57ec1cc32b03d7398b2f937a5d5e4854d530c8f4..f7a1dadaa95f7f90e31ae8e40ac6a4e9e324a6c1 100644 (file)
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -23,6 +23,25 @@
                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 @@
        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 {