openwrt/target/linux/rockchip/patches-6.6/052-01-v6.7-arm64-dts-rockchip-add-PCIe-network-controller-to-rock-5b.patch

From 42145b7a823530f57983fb6e6897f40c0be278d5 Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sebastian.reichel@collabora.com>
Date: Mon, 18 Sep 2023 16:14:49 +0200
Subject: [PATCH] arm64: dts: rockchip: add PCIe network controller to rock-5b

Enable the RTL8125 network controller, which is connected via
PCIe.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230918141451.131247-2-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 .../boot/dts/rockchip/rk3588-rock-5b.dts      | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -43,6 +43,15 @@
 		#cooling-cells = <2>;
 	};
 
+	vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pcie2x1l2";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <5000>;
+		vin-supply = <&vcc_3v3_s3>;
+	};
+
 	vcc5v0_host: vcc5v0-host-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_host";
@@ -77,6 +86,10 @@
 	};
 };
 
+&combphy0_ps {
+	status = "okay";
+};
+
 &cpu_b0 {
 	cpu-supply = <&vdd_cpu_big0_s0>;
 };
@@ -203,6 +216,14 @@
 	};
 };
 
+&pcie2x1l2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_2_rst>;
+	reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie2x1l2>;
+	status = "okay";
+};
+
 &pinctrl {
 	hym8563 {
 		hym8563_int: hym8563-int {
@@ -216,6 +237,12 @@
 		};
 	};
 
+	pcie2 {
+		pcie2_2_rst: pcie2-2-rst {
+			rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	usb {
 		vcc5v0_host_en: vcc5v0-host-en {
 			rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;