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riscv: dts: spacemit: enable PMIC on OrangePi R2S

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Enable the i2c8 interface and add the connected SpacemiT P1 PMIC and
its associated regulators to support voltage regulation on the board.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Reviewed-by: Yixun lan <dlan@kernel.org>
Link: https://patch.msgid.link/20260520100000.575719-1-amadeus@jmu.edu.cn
Signed-off-by: Yixun Lan <dlan@kernel.org>
This commit is contained in:
Chukun Pan 2026-05-20 18:00:00 +08:00 committed by Yixun Lan
parent 3ea695eb11
commit 793cc54475
1 changed files with 134 additions and 0 deletions
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134
arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
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@ -13,6 +13,7 @@ / {
compatible = "xunlong,orangepi-r2s", "spacemit,k1";
aliases {
i2c8 = &i2c8;
serial0 = &uart0;
ethernet0 = &eth0;
ethernet1 = &eth1;
@ -22,6 +23,15 @@ chosen {
stdout-path = "serial0";
};
vcc4v0: regulator-vcc4v0 {
compatible = "regulator-fixed";
regulator-name = "vcc4v0";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <4000000>;
regulator-max-microvolt = <4000000>;
};
vcc5v0_usb: regulator-vcc5v0-usb {
compatible = "regulator-fixed";
enable-active-high;
@ -94,6 +104,130 @@ rgmii1: phy@1 {
};
};
&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_3v3: 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>;
};
};
};
};
&pdma {
status = "okay";
};