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From: efectn@6tel.net
To: linux-rockchip@lists.infradead.org
Cc: devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org,
	heiko@sntech.de,
	sebastian.reichel@collabora.com,
	Muhammed Efe Cetin <efectn@protonmail.com>
Subject: [PATCH 4/9] arm64: dts: rockchip: USB2, USB3 Host, PCIe2 to Khadas Edge 2
Date: Tue, 20 Feb 2024 01:34:20 +0300
Message-ID: <4d22afd70e5583458f405f5170f67690584e7efa.1708381247.git.efectn@protonmail.com>
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From: Muhammed Efe Cetin <efectn@protonmail.com>

Khadas Edge 2 has 1x USB2 with hub, 1x USB3 Host and 1x USB-C.
This commit adds support for PCIe2, USB3 Host and USB2.

Signed-off-by: Muhammed Efe Cetin <efectn@protonmail.com>
---
 .../dts/rockchip/rk3588s-khadas-edge2.dts     | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index 856ce4f869a2..ea7f1bb7c908 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
@@ -38,6 +38,33 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
 		vin-supply = <&vcc5v0_sys>;
 	};
 
+	vcc5v0_host: vcc5v0-host-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_host";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		gpio = <&gpio1 RK_PB1 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_host_en>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc3v3_pcie_wl: vcc3v3-pcie-wl-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie2_2_vcc3v3_en>;
+		regulator-name = "vcc3v3_pcie_wl";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <5000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
 	vdd_3v3_sd: vdd-3v3-sd-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_3v3_sd";
@@ -84,6 +111,14 @@ &cpu_l3 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
 
+&combphy0_ps {
+	status = "okay";
+};
+
+&combphy2_psu {
+	status = "okay";
+};
+
 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0m2_xfer>;
@@ -130,6 +165,30 @@ vdd_sd_en: vdd-sd-en {
 			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
+
+	pcie2 {
+		pcie2_2_rst: pcie2-2-rst {
+			rockchip,pins = <3 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie2_2_vcc3v3_en: pcie2-2-vcc-en {
+			rockchip,pins = <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		vcc5v0_host_en: vcc5v0-host-en {
+			rockchip,pins = <1 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pcie2x1l2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_2_rst>;
+	reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie_wl>;
+	status = "okay";
 };
 
 &sdhci {
@@ -483,3 +542,41 @@ &uart2 {
 	pinctrl-0 = <&uart2m0_xfer>;
 	status = "okay";
 };
+
+&u2phy2 {
+	status = "okay";
+};
+
+&u2phy2_host {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
+&u2phy3 {
+	status = "okay";
+};
+
+&u2phy3_host {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
+&usb_host2_xhci {
+	status = "okay";
+};
-- 
2.43.1