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 (file)
--- 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 {