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dts: riscv: spacemit: k3: add P1 PMIC regulator tree 

Add the P1 PMIC's regulator topology tree for pico-itx board.

Link: https://lore.kernel.org/r/20260327-02-k3-i2c-v2-1-9c6b374470c6@kernel.org
Signed-off-by: Yixun Lan <dlan@kernel.org>
master
Yixun Lan 2026-03-27 11:51:18 +00:00
parent cb322cbffb
commit af62a095eb
2 changed files with 158 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

147
arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
View File

@ -25,6 +25,153 @@
device_type = "memory";
reg = <0x1 0x00000000 0x4 0x00000000>;
};
reg_aux_vcc5v: regulator-aux-vcc5v {
compatible = "regulator-fixed";
regulator-name = "AUX_VCC5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&i2c8 {
pinctrl-names = "default";
pinctrl-0 = <&i2c8_cfg>;
status = "okay";
p1@41 {
compatible = "spacemit,p1";
reg = <0x41>;
interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
vin1-supply = <&reg_aux_vcc5v>;
vin2-supply = <&reg_aux_vcc5v>;
vin3-supply = <&reg_aux_vcc5v>;
vin4-supply = <&reg_aux_vcc5v>;
vin5-supply = <&reg_aux_vcc5v>;
vin6-supply = <&reg_aux_vcc5v>;
aldoin-supply = <&reg_aux_vcc5v>;
dldoin1-supply = <&buck4>;
dldoin2-supply = <&buck4>;
regulators {
buck1: buck1 {
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
buck2: buck2 {
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
buck3: buck3 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
buck4: buck4 {
regulator-min-microvolt = <2100000>;
regulator-max-microvolt = <2100000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
buck5: buck5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
buck6: buck6 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <500000>;
regulator-ramp-delay = <5000>;
regulator-always-on;
};
aldo1: aldo1 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
aldo2: aldo2 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
aldo3: aldo3 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
aldo4: aldo4 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
dldo1: dldo1 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
};
dldo2: dldo2 {
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <900000>;
regulator-always-on;
regulator-boot-on;
};
dldo3: dldo3 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-always-on;
regulator-boot-on;
};
dldo4: dldo4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
};
dldo5: dldo5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
dldo6: dldo6 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
dldo7: dldo7 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
};
};
};
&eth0 {

11
arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
View File

@ -45,6 +45,17 @@
};
};
/omit-if-no-ref/
i2c8_cfg: i2c8-cfg {
i2c8-pins {
pinmux = <K3_PADCONF(128, 0)>, /* i2c8 scl */
<K3_PADCONF(129, 0)>; /* i2c8 sda */
bias-pull-up = <0>;
drive-strength = <25>;
};
};
/omit-if-no-ref/
uart0_0_cfg: uart0-0-cfg {
uart0-0-pins {