linux-kernel - [PATCH 1/2] arm64: dts: rockchip: rk3588-evb1: add PCIe2 network controller

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Message-Id: <20230918141327.131108-2-sebastian.reichel@collabora.com>
Date:   Mon, 18 Sep 2023 16:13:26 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        kernel@...labora.com
Subject: [PATCH 1/2] arm64: dts: rockchip: rk3588-evb1: add PCIe2 network controller

The RK3588 EVB1 has a second network card, which is connected
via PCIe2. This adds support for that.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index 229a9111f5eb..23bef9faa690 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -29,6 +29,26 @@ backlight: backlight {
 		pwms = <&pwm2 0 25000 0>;
 	};
 
+	pcie20_avdd0v85: pcie20-avdd0v85-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie20_avdd0v85";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <850000>;
+		regulator-max-microvolt = <850000>;
+		vin-supply = <&avdd_0v85_s0>;
+	};
+
+	pcie20_avdd1v8: pcie20-avdd1v8-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie20_avdd1v8";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&avcc_1v8_s0>;
+	};
+
 	vcc12v_dcin: vcc12v-dcin-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc12v_dcin";
@@ -87,6 +107,10 @@ &combphy0_ps {
 	status = "okay";
 };
 
+&combphy2_psu {
+	status = "okay";
+};
+
 &cpu_b0 {
 	cpu-supply = <&vdd_cpu_big0_s0>;
 };
@@ -163,7 +187,20 @@ rgmii_phy: ethernet-phy@1 {
 	};
 };
 
+&pcie2x1l1 {
+	reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>;
+	status = "okay";
+};
+
 &pinctrl {
+	rtl8111 {
+		rtl8111_isolate: rtl8111-isolate {
+			rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	rtl8211f {
 		rtl8211f_rst: rtl8211f-rst {
 			rockchip,pins = <4 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -177,6 +214,12 @@ hym8563_int: hym8563-int {
 		};
 	};
 
+	pcie2 {
+		pcie2_1_rst: pcie2-1-rst {
+			rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	usb {
 		vcc5v0_host_en: vcc5v0-host-en {
 			rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
-- 
2.40.1