linux-kernel - [PATCH v1 4/4] arm64: dts: rockchip: rk3588s-rock5a: add USB2

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Message-Id: <20230712165106.65603-5-sebastian.reichel@collabora.com>
Date:   Wed, 12 Jul 2023 18:51:06 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     linux-rockchip@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.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 v1 4/4] arm64: dts: rockchip: rk3588s-rock5a: add USB2

Enable USB2 (EHCI and OCHI mode) support for the Radxa ROCK 5 Model A.
This adds USB support for the on-board WLAN/BT chip, the two USB2
ports, the USB available from the 2x20 connector and the lower USB3
port (in USB2 mode).

The upper USB3 (further away from the PCB) uses the RK3588S USB TypeC
OTG controller for USB2 and USB3 and thus is not supported at all at
the moment.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 .../boot/dts/rockchip/rk3588s-rock-5a.dts     | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index a6dff117b459..66eab281c2c9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -64,6 +64,20 @@ vcc12v_dcin: vcc12v-dcin-regulator {
 		regulator-max-microvolt = <12000000>;
 	};
 
+	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 = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_host_en>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
 	vcc5v0_sys: vcc5v0-sys-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_sys";
@@ -292,6 +306,34 @@ rtl8211f_rst: rtl8211f-rst {
 			rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+
+	usb {
+		vcc5v0_host_en: vcc5v0-host-en {
+			rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	wifibt {
+		wl_reset: wl-reset {
+			rockchip,pins = <0 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		wl_dis: wl-dis {
+			rockchip,pins = <0 RK_PD5 RK_FUNC_GPIO &pcfg_output_high>;
+		};
+
+		wl_wake_host: wl-wake-host {
+			rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		bt_dis: bt-dis {
+			rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_output_high>;
+		};
+
+		bt_wake_host: bt-wake-host {
+			rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
 };
 
 &pwm3 {
@@ -650,7 +692,43 @@ regulator-state-mem {
 	};
 };
 
+&u2phy2 {
+	status = "okay";
+};
+
+&u2phy2_host {
+	status = "okay";
+	phy-supply = <&vcc5v0_host>;
+};
+
+&u2phy3 {
+	status = "okay";
+};
+
+&u2phy3_host {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
 &uart2 {
 	pinctrl-0 = <&uart2m0_xfer>;
 	status = "okay";
 };
+
+&usb_host0_ehci {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wl_reset &wl_dis &wl_wake_host &bt_dis &bt_wake_host>;
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
-- 
2.40.1