Commit af62a095 authored by Yixun Lan's avatar Yixun Lan
Browse files

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: default avatarYixun Lan <dlan@kernel.org>
parent cb322cbf

arch/riscv/boot/dts/spacemit/k3-pico-itx.dts

+147 −0
Original line number Diff line number Diff line
@@ -25,6 +25,153 @@ memory@100000000 { 
		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 {

arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi

+11 −0
Original line number Diff line number Diff line
@@ -45,6 +45,17 @@ gmac0-phy-0-pins { 
		};

	};



	/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 {