Commit cfd66c68 authored by Matwey V. Kornilov's avatar Matwey V. Kornilov Committed by Heiko Stuebner
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arm64: dts: rockchip: Add regulators for PCIe for Radxa Rock Pi 4 board 



Add 0.9V and 1.8V voltage regulators for Radxa Rock Pi 4 board PCIe.

Signed-off-by: default avatarMatwey V. Kornilov <matwey@sai.msu.ru>
Link: https://lore.kernel.org/r/20191120161302.5157-1-matwey@sai.msu.ru


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 04a0077f

arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts

+12 −0
Original line number Diff line number Diff line
@@ -53,6 +53,16 @@ vcc5v0_sys: vcc-sys { 
		vin-supply = <&vcc12v_dcin>;

	};



	vcc_0v9: vcc-0v9 {

		compatible = "regulator-fixed";

		regulator-name = "vcc_0v9";

		regulator-always-on;

		regulator-boot-on;

		regulator-min-microvolt = <900000>;

		regulator-max-microvolt = <900000>;

		vin-supply = <&vcc3v3_sys>;

	};



	vcc3v3_pcie: vcc3v3-pcie-regulator {

		compatible = "regulator-fixed";

		enable-active-high;
@@ -473,6 +483,8 @@ &pcie0 { 
	num-lanes = <4>;

	pinctrl-0 = <&pcie_clkreqnb_cpm>;

	pinctrl-names = "default";

	vpcie0v9-supply = <&vcc_0v9>;

	vpcie1v8-supply = <&vcc_1v8>;

	vpcie3v3-supply = <&vcc3v3_pcie>;

	status = "okay";

};