linux-kernel - [PATCH] arm64: dts: rockchip: Add regulators for PCIe for Radxa Rock Pi 4 board

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Date:   Wed, 20 Nov 2019 19:12:54 +0300
From:   "Matwey V. Kornilov" <matwey@....msu.ru>
To:     tom@...xa.com, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Heiko Stuebner <heiko@...ech.de>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Akash Gajjar <akash@...nedev.com>,
        "Matwey V. Kornilov" <matwey@....msu.ru>,
        Pragnesh Patel <Pragnesh_Patel@...tor.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Rockchip SoC
        support),
        linux-rockchip@...ts.infradead.org (open list:ARM/Rockchip SoC support),
        linux-kernel@...r.kernel.org (open list)
Cc:     matwey.kornilov@...il.com,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Rockchip SoC
        support),
        linux-rockchip@...ts.infradead.org (open list:ARM/Rockchip SoC support),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] 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: Matwey V. Kornilov <matwey@....msu.ru>
---
 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