Add 0.9V and 1.8V voltage regulators for Radxa Rock Pi 4 board PCIe. Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts index 01f8effd8206..215fb02b6bd0 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts @@ -53,6 +53,16 @@ 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; @@ -475,6 +485,8 @@ num-lanes = <4>; pinctrl-0 = <&pcie_clkreqnb_cpm>; pinctrl-names = "default"; + vpcie0v9-supply = <&vcc_0v9>; + vpcie1v8-supply = <&vcc_1v8>; vpcie3v3-supply = <&vcc3v3_pcie>; }; -- 2.16.4 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip