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riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure

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Enable i2c8 and add the connected SpacemiT P1 PMIC with its related
regulators for the board's power infrastructure and voltage regulation
support.

Signed-off-by: Andre Heider <a.heider@gmail.com>
Link: https://patch.msgid.link/20260513071958.29574-2-a.heider@gmail.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
This commit is contained in:
Andre Heider 2026-05-13 09:19:49 +02:00 committed by Yixun Lan
parent c76e2f058c
commit e2dac7c7a3
1 changed files with 134 additions and 0 deletions
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134
arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
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@ -17,6 +17,7 @@ / {
aliases {
ethernet0 = &eth0;
serial0 = &uart0;
i2c8 = &i2c8;
};
chosen {
@ -33,6 +34,15 @@ led1 {
default-state = "on";
};
};
reg_vcc_4v: regulator-vcc-4v {
compatible = "regulator-fixed";
regulator-name = "VCC4V0";
regulator-min-microvolt = <4000000>;
regulator-max-microvolt = <4000000>;
regulator-boot-on;
regulator-always-on;
};
};
&emmc {
@ -72,6 +82,130 @@ &pdma {
status = "okay";
};
&i2c8 {
pinctrl-0 = <&i2c8_cfg>;
pinctrl-names = "default";
status = "okay";
pmic@41 {
compatible = "spacemit,p1";
reg = <0x41>;
interrupts = <64>;
vin1-supply = <&reg_vcc_4v>;
vin2-supply = <&reg_vcc_4v>;
vin3-supply = <&reg_vcc_4v>;
vin4-supply = <&reg_vcc_4v>;
vin5-supply = <&reg_vcc_4v>;
vin6-supply = <&reg_vcc_4v>;
aldoin-supply = <&reg_vcc_4v>;
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 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
aldo3 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
aldo4 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
dldo1 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
regulator-boot-on;
};
dldo2 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
dldo3 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
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 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
};
};
};
&uart0 {
pinctrl-0 = <&uart0_2_cfg>;
pinctrl-names = "default";