Commit 1fc61ed0 authored by Markus Reichl's avatar Markus Reichl Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: Enable mp8859 regulator on rk3399-roc-pc 



The rk3399-roc-pc uses a MP8859 DC/DC converter for 12V supply.
This supplies 5V only in default state after booting.
Now we can control the output voltage via I2C interface.
Add a node for the driver to reach 12V.

Signed-off-by: default avatarMarkus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/20200106211633.2882-6-m.reichl@fivetechno.de


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 25418f9d

arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi

+18 −14
Original line number Diff line number Diff line
@@ -110,20 +110,6 @@ vcc_vbus_typec0: vcc-vbus-typec0 { 
		regulator-max-microvolt = <5000000>;

	};



	/*

	 * should be placed inside mp8859, but not until mp8859 has

	 * its own dt-binding.

	 */

	dc_12v: mp8859-dcdc1 {

		compatible = "regulator-fixed";

		regulator-name = "dc_12v";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <12000000>;

		regulator-max-microvolt = <12000000>;

		vin-supply = <&vcc_vbus_typec0>;

	};



	/* switched by pmic_sleep */

	vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {

		compatible = "regulator-fixed";
@@ -546,6 +532,24 @@ fusb0: usb-typec@22 { 
		vbus-supply = <&vcc_vbus_typec0>;

		status = "okay";

	};



	mp8859: regulator@66 {

		compatible = "mps,mp8859";

		reg = <0x66>;

		dc_12v: mp8859_dcdc {

			regulator-name = "dc_12v";

			regulator-min-microvolt = <12000000>;

			regulator-max-microvolt = <12000000>;

			regulator-always-on;

			regulator-boot-on;

			vin-supply = <&vcc_vbus_typec0>;



			regulator-state-mem {

				regulator-on-in-suspend;

				regulator-suspend-microvolt = <12000000>;

			};

		};

	};

};



&i2s0 {