arm64: dts: rockchip: enable pcie2 on rk3566-roc-pc

This patch adds nodes needed for pcie2
to work on rk3566-roc-pc

Signed-off-by: Furkan Kardame <f.kardame@manjaro.org>
Link: https://lore.kernel.org/r/20221026172152.64513-1-f.kardame@manjaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
index dba648c..ab177c4 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
@@ -82,6 +82,18 @@
                vin-supply = <&usb_5v>;
        };
 
+       vcc3v3_pcie: vcc3v3-pcie-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pcie_enable_h>;
+               regulator-name = "vcc3v3_pcie";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vcc5v0_sys>;
+       };
+
        vcc3v3_sys: vcc3v3-sys-regulator {
                compatible = "regulator-fixed";
                regulator-name = "vcc3v3_sys";
@@ -122,6 +134,10 @@
        status = "okay";
 };
 
+&combphy2 {
+       status = "okay";
+};
+
 &cpu0 {
        cpu-supply = <&vdd_cpu>;
 };
@@ -447,6 +463,14 @@
        };
 };
 
+&pcie2x1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pcie_reset_h>;
+       reset-gpios = <&gpio1 RK_PB2 GPIO_ACTIVE_HIGH>;
+       vpcie3v3-supply = <&vcc3v3_pcie>;
+       status = "okay";
+};
+
 &pinctrl {
        bt {
                bt_enable_h: bt-enable-h {
@@ -468,6 +492,16 @@
                };
        };
 
+       pcie {
+               pcie_enable_h: pcie-enable-h {
+                       rockchip,pins = <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               pcie_reset_h: pcie-reset-h {
+                       rockchip,pins = <1 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
        pmic {
                pmic_int: pmic_int {
                        rockchip,pins =