From: Chukun Pan <amadeus@jmu.edu.cn>
Date: Thu, 6 Oct 2022 15:25:24 +0000 (+0800)
Subject: arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a
X-Git-Tag: v6.6.17~6037^2~17^2~34
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0522cd8112204d124d714eee7e9f0cac6de999d9;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a

Add Nodes to Radxa ROCK3 Model A board to support PCIe v3.

Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20221006152524.502445-3-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 8adf672..c1fa917 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -67,6 +67,37 @@
 		regulator-boot-on;
 	};
 
+	pcie30_avdd0v9: pcie30-avdd0v9-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie30_avdd0v9";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
+	pcie30_avdd1v8: pcie30-avdd1v8-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie30_avdd1v8";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
+	/* pi6c pcie clock generator */
+	vcc3v3_pi6c_03: vcc3v3-pi6c-03-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pi6c_03";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
 	vcc3v3_pcie: vcc3v3-pcie-regulator {
 		compatible = "regulator-fixed";
 		enable-active-high;
@@ -546,6 +577,19 @@
 	status = "okay";
 };
 
+&pcie30phy {
+	phy-supply = <&vcc3v3_pi6c_03>;
+	status = "okay";
+};
+
+&pcie3x2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie30x2m1_pins>;
+	reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
+	status = "okay";
+};
+
 &pinctrl {
 	cam {
 		vcc_cam_en: vcc_cam_en {