linux-kernel - [PATCH 3/3] arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a

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Date:   Tue, 27 Sep 2022 02:01:02 +0800
From:   Chukun Pan <amadeus@....edu.cn>
To:     linux.amoon@...il.com
Cc:     heiko@...ech.de, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        michael.riesch@...fvision.net, robh+dt@...nel.org,
        Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 3/3] arm64: dts: rockchip: Add PCIe v3 nodes to rock-3a

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

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 1b195355da2a..458a12af1120 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -547,6 +547,19 @@ &pcie2x1 {
 	status = "okay";
 };
 
+&pcie30phy {
+	status = "okay";
+};
+
+&pcie3x2 {
+	/* mPCIe slot */
+	pinctrl-names = "default";
+	pinctrl-0 = <&minipcie_reset_h>;
+	reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
+	status = "okay";
+};
+
 &pinctrl {
 	cam {
 		vcc_cam_en: vcc_cam_en {
@@ -583,6 +596,10 @@ pcie_enable_h: pcie-enable-h {
 			rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 
+		minipcie_reset_h: minipcie-reset-h {
+			rockchip,pins = <2 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
 		ngffpcie_reset_h: ngffpcie-reset-h {
 			rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
-- 
2.25.1