84 lines
1.8 KiB
Diff
84 lines
1.8 KiB
Diff
From d78af3aa816344d6e76dd77fbaf410fcbfa58bef Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Wed, 23 Jul 2025 12:23:06 +0000
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Subject: [PATCH] arm64: dts: rockchip: Enable USB 2.0 ports on Radxa E20C
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The Radxa E20C has one USB2.0 Type-A HOST port and one USB2.0 Type-C OTG
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port.
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Add support for using the USB 2.0 ports on Radxa E20C.
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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---
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.../boot/dts/rockchip/rk3528-radxa-e20c.dts | 48 +++++++++++++++++++
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1 file changed, 48 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
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@@ -136,6 +136,18 @@
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regulator-max-microvolt = <5000000>;
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};
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+ vcc5v0_usb20: regulator-5v0-vcc-usb20 {
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+ compatible = "regulator-fixed";
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+ enable-active-high;
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+ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&usb_host_en>;
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+ regulator-name = "vcc5v0_usb20";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ vin-supply = <&vcc5v0_sys>;
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+ };
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+
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vccio_sd: regulator-vccio-sd {
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compatible = "regulator-gpio";
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gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
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@@ -275,6 +287,12 @@
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rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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+
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+ usb {
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+ usb_host_en: usb-host-en {
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+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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};
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&pwm1 {
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@@ -322,3 +340,33 @@
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pinctrl-0 = <&uart0m0_xfer>;
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status = "okay";
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};
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+
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+&usb_host0_ehci {
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+ status = "okay";
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+};
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+
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+&usb_host0_ohci {
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+ status = "okay";
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+};
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+
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+&usb_host0_xhci {
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+ extcon = <&usb2phy>;
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+ maximum-speed = "high-speed";
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+ phys = <&usb2phy_otg>;
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+ phy-names = "usb2-phy";
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+ snps,dis_u2_susphy_quirk;
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+ status = "okay";
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+};
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+
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+&usb2phy {
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+ status = "okay";
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+};
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+
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+&usb2phy_host {
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+ phy-supply = <&vcc5v0_usb20>;
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+ status = "okay";
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+};
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+
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+&usb2phy_otg {
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+ status = "okay";
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+};
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