diff mbox series

arm64: dts: rockchip: Enable PCIe controller on rock3a

Message ID 20220726023516.6487-1-amadeus@jmu.edu.cn
State Accepted
Commit 0fbbfb0b00d17ae6b6c4f04e325203de9e37837a
Headers show
Series arm64: dts: rockchip: Enable PCIe controller on rock3a | expand

Commit Message

Chukun Pan July 26, 2022, 2:35 a.m. UTC 
Add the nodes to enable the PCIe controller on the
Radxa ROCK3 Model A board. Run test with the MT7921
pcie wireless card.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
 .../boot/dts/rockchip/rk3568-rock-3a.dts      | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 0813c0c5abde..3ce7eb05defc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -119,6 +119,18 @@  vcc5v0_usb_otg: vcc5v0-usb-otg-regulator {
 		regulator-max-microvolt = <5000000>;
 		vin-supply = <&vcc5v0_usb>;
 	};
+
+	vcc3v3_pcie: vcc3v3-pcie-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio0 RK_PD4 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>;
+	};
 };
 
 &combphy0 {
@@ -129,6 +141,10 @@  &combphy1 {
 	status = "okay";
 };
 
+&combphy2 {
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&vdd_cpu>;
 };
@@ -423,6 +439,14 @@  rgmii_phy1: ethernet-phy@0 {
 	};
 };
 
+&pcie2x1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_reset_h>;
+	reset-gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
+	status = "okay";
+};
+
 &pinctrl {
 	ethernet {
 		eth_phy_rst: eth_phy_rst {
@@ -436,6 +460,16 @@  led_user_en: led_user_en {
 		};
 	};
 
+	pcie {
+		pcie_enable_h: pcie-enable-h {
+			rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie_reset_h: pcie-reset-h {
+			rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pmic {
 		pmic_int: pmic_int {
 			rockchip,pins =