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arm64: dts: rockchip: Add regulators for PCIe for Radxa Rock Pi 4 board

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

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Link: https://lore.kernel.org/r/20191120161302.5157-1-matwey@sai.msu.ru
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Matwey V. Kornilov
2019-11-20 19:12:54 +03:00
committed by Heiko Stuebner
parent 04a0077fdb
commit cfd66c682e
1 changed files with 12 additions and 0 deletions
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12
arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
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@@ -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";
};