linux-kernel - [PATCH v2 2/3] arm64: dts: hisilicon: Add usb mux hub for hikey970

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Date:   Wed,  1 Sep 2021 14:23:38 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Rob Herring <robh@...nel.org>, John Stultz <john.stultz@...aro.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] arm64: dts: hisilicon: Add usb mux hub for hikey970

Add dt bindings for Kirin 970 USB HUB. Such board comes with an
integrated USB HUB provided via a TI TUSB8041 4-port USB 3.0 hub.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 .../boot/dts/hisilicon/hi3670-hikey970.dts    | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
index 60594db07041..8502814d33e7 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
@@ -53,6 +53,30 @@ wlan_en: wlan-en-1-8v {
 		startup-delay-us = <70000>;
 		enable-active-high;
 	};
+
+	hikey_usbhub: hikey_usbhub {
+		compatible = "hisilicon,kirin970_hikey_usbhub";
+
+		typec-vbus-gpios = <&gpio26 1 0>;
+		otg-switch-gpios = <&gpio4 2 0>;
+		hub-reset-en-gpios = <&gpio0 3 0>;
+		hub-vdd-supply = <&ldo17>;
+		usb-role-switch;
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			hikey_usb_ep0: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch>;
+			};
+			hikey_usb_ep1: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&rt1711h_ep>;
+			};
+		};
+	};
 };
 
 /*
-- 
2.31.1