linux-kernel - [PATCH 11/11] arm64: dts: rockchip: Enable USB 2.0 ports on NanoPi Zero2

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Message-ID: <20250723122323.2344916-12-jonas@kwiboo.se>
Date: Wed, 23 Jul 2025 12:23:09 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
	Chukun Pan <amadeus@....edu.cn>,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 11/11] arm64: dts: rockchip: Enable USB 2.0 ports on NanoPi Zero2

The NanoPi Zero2 has one USB 2.0 Type-A HOST port and one USB 2.0 Type-C
OTG port.

Add support for using the USB 2.0 ports on NanoPi Zero2.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 .../boot/dts/rockchip/rk3528-nanopi-zero2.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts b/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts
index 9f683033c5f3..38a73ff05b7c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts
@@ -333,8 +333,37 @@ &sdmmc {
 	status = "okay";
 };
 
+&u2phy {
+	status = "okay";
+};
+
+&u2phy_host {
+	phy-supply = <&usb2_host_5v>;
+	status = "okay";
+};
+
+&u2phy_otg {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0m0_xfer>;
 	status = "okay";
 };
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	extcon = <&u2phy>;
+	maximum-speed = "high-speed";
+	phys = <&u2phy_otg>;
+	phy-names = "usb2-phy";
+	status = "okay";
+};
-- 
2.50.1