Commit 5497bc2a authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Shawn Guo
Browse files

arm64: dts: imx8mp-evk: Add PMIC device 



The imx8mp-evk uses an PCA9450C as PMIC that supplies various
regulators.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 6efb943b

arch/arm64/boot/dts/freescale/imx8mp-evk.dts

+99 −0
Original line number Diff line number Diff line
@@ -104,6 +104,92 @@ 
	};

};



&i2c1 {

	clock-frequency = <400000>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c1>;

	status = "okay";



	pmic@25 {

		compatible = "nxp,pca9450c";

		reg = <0x25>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_pmic>;

		interrupt-parent = <&gpio1>;

		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;



		regulators {

			BUCK1 {

				regulator-name = "BUCK1";

				regulator-min-microvolt = <720000>;

				regulator-max-microvolt = <1000000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <3125>;

			};



			BUCK2 {

				regulator-name = "BUCK2";

				regulator-min-microvolt = <720000>;

				regulator-max-microvolt = <1025000>;

				regulator-boot-on;

				regulator-always-on;

				regulator-ramp-delay = <3125>;

				nxp,dvs-run-voltage = <950000>;

				nxp,dvs-standby-voltage = <850000>;

			};



			BUCK4 {

				regulator-name = "BUCK4";

				regulator-min-microvolt = <3000000>;

				regulator-max-microvolt = <3600000>;

				regulator-boot-on;

				regulator-always-on;

			};



			BUCK5 {

				regulator-name = "BUCK5";

				regulator-min-microvolt = <1650000>;

				regulator-max-microvolt = <1950000>;

				regulator-boot-on;

				regulator-always-on;

			};



			BUCK6 {

				regulator-name = "BUCK6";

				regulator-min-microvolt = <1045000>;

				regulator-max-microvolt = <1155000>;

				regulator-boot-on;

				regulator-always-on;

			};



			LDO1 {

				regulator-name = "LDO1";

				regulator-min-microvolt = <1650000>;

				regulator-max-microvolt = <1950000>;

				regulator-boot-on;

				regulator-always-on;

			};



			LDO3 {

				regulator-name = "LDO3";

				regulator-min-microvolt = <1710000>;

				regulator-max-microvolt = <1890000>;

				regulator-boot-on;

				regulator-always-on;

			};



			LDO5 {

				regulator-name = "LDO5";

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <3300000>;

				regulator-boot-on;

				regulator-always-on;

			};

		};

	};

};



&i2c3 {

	clock-frequency = <400000>;

	pinctrl-names = "default";
@@ -229,6 +315,13 @@ 
		>;

	};



	pinctrl_i2c1: i2c1grp {

		fsl,pins = <

			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL		0x400001c3

			MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA		0x400001c3

		>;

	};



	pinctrl_i2c3: i2c3grp {

		fsl,pins = <

			MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL		0x400001c3
@@ -236,6 +329,12 @@ 
		>;

	};



	pinctrl_pmic: pmicgrp {

		fsl,pins = <

			MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03	0x000001c0

		>;

	};



	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {

		fsl,pins = <

			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x41