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Commit 3e44dd09 authored by Anson Huang's avatar Anson Huang Committed by Shawn Guo
Browse files

arm64: dts: imx8mn-ddr4-evk: Add rohm,bd71847 PMIC support 



On i.MX8MN DDR4 EVK board, there is a rohm,bd71847 PMIC
on i2c1 bus, enable it.

Signed-off-by: default avatarAnson Huang <Anson.Huang@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 089a6ade

arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts

+109 −0
Original line number Diff line number Diff line
@@ -57,6 +57,12 @@ 
		>;

	};



	pinctrl_pmic: pmicirq {

		fsl,pins = <

			MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x41

		>;

	};



	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {

		fsl,pins = <

			MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x41
@@ -194,6 +200,109 @@ 
	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c1>;

	status = "okay";



	pmic@4b {

		compatible = "rohm,bd71847";

		reg = <0x4b>;

		pinctrl-0 = <&pinctrl_pmic>;

		interrupt-parent = <&gpio1>;

		interrupts = <3 GPIO_ACTIVE_LOW>;

		rohm,reset-snvs-powered;



		regulators {

			buck1_reg: BUCK1 {

				regulator-name = "BUCK1";

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1300000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <1250>;

			};



			buck2_reg: BUCK2 {

				regulator-name = "BUCK2";

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1300000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <1250>;

			};



			buck3_reg: BUCK3 {

				// BUCK5 in datasheet

				regulator-name = "BUCK3";

				regulator-min-microvolt = <700000>;

				regulator-max-microvolt = <1350000>;

			};



			buck4_reg: BUCK4 {

				// BUCK6 in datasheet

				regulator-name = "BUCK4";

				regulator-min-microvolt = <3000000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			buck5_reg: BUCK5 {

				// BUCK7 in datasheet

				regulator-name = "BUCK5";

				regulator-min-microvolt = <1605000>;

				regulator-max-microvolt = <1995000>;

				regulator-boot-on;

				regulator-always-on;

			};



			buck6_reg: BUCK6 {

				// BUCK8 in datasheet

				regulator-name = "BUCK6";

				regulator-min-microvolt = <800000>;

				regulator-max-microvolt = <1400000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo1_reg: LDO1 {

				regulator-name = "LDO1";

				regulator-min-microvolt = <3000000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo2_reg: LDO2 {

				regulator-name = "LDO2";

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <900000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo3_reg: LDO3 {

				regulator-name = "LDO3";

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo4_reg: LDO4 {

				regulator-name = "LDO4";

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <1800000>;

				regulator-boot-on;

				regulator-always-on;

			};



			ldo6_reg: LDO6 {

				regulator-name = "LDO6";

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <1800000>;

				regulator-boot-on;

				regulator-always-on;

			};

		};

	};

};



&snvs_pwrkey {