linux-kernel - [PATCH v6 4/4] arm64: dts: rockchip: enable pcie controller on quartz64-a

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Message-Id: <20220416100502.627289-5-pgwipeout@gmail.com>
Date:   Sat, 16 Apr 2022 06:05:02 -0400
From:   Peter Geis <pgwipeout@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     linux-rockchip@...ts.infradead.org,
        Peter Geis <pgwipeout@...il.com>, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v6 4/4] arm64: dts: rockchip: enable pcie controller on quartz64-a

Add the nodes to enable the pcie controller on the quartz64 model a
board.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
 .../boot/dts/rockchip/rk3566-quartz64-a.dts   | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 141a433429b5..85926d46337d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -125,6 +125,18 @@ vbus: vbus {
 		vin-supply = <&vcc12v_dcin>;
 	};
 
+	vcc3v3_pcie_p: vcc3v3_pcie_p {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_enable_h>;
+		regulator-name = "vcc3v3_pcie_p";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3>;
+	};
+
 	vcc5v0_usb: vcc5v0_usb {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_usb";
@@ -201,6 +213,10 @@ &combphy1 {
 	status = "okay";
 };
 
+&combphy2 {
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&vdd_cpu>;
 };
@@ -509,6 +525,14 @@ rgmii_phy1: ethernet-phy@0 {
 	};
 };
 
+&pcie2x1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_reset_h>;
+	reset-gpios = <&gpio1 RK_PB2 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+	vpcie3v3-supply = <&vcc3v3_pcie_p>;
+};
+
 &pinctrl {
 	bt {
 		bt_enable_h: bt-enable-h {
@@ -534,6 +558,16 @@ diy_led_enable_h: diy-led-enable-h {
 		};
 	};
 
+	pcie {
+		pcie_enable_h: pcie-enable-h {
+			rockchip,pins = <0 RK_PC6 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_l: pmic-int-l {
 			rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
-- 
2.25.1