[PATCH v2 3/3] arm64: dts: hisilicon: Add usb mux hub for hikey960

[Mauro Carvalho Chehab]

From: John Stultz <john.stultz at linaro.org>

Add dt bindings for Kirin 960 USB HUB. Such board comes with an
integrated USB HUB provided via a Microchip USB5734 4-port high-speed
hub controller.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei at kernel.org>
---
 .../boot/dts/hisilicon/hi3660-hikey960.dts    | 35 +++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index f68580dc87d8..cc38d4f961ee 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -191,12 +191,43 @@ wlan_en: wlan-en-1-8v {
 		enable-active-high;
 	};
 
+	usb_hub: hub-vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "hub-vdd";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+	};
+
 	firmware {
 		optee {
 			compatible = "linaro,optee-tz";
 			method = "smc";
 		};
 	};
+
+	hisi_hikey_usb: hisi_hikey_usb {
+		compatible = "hisilicon,hikey960-usbhub";
+		typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+		otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+		hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+		hub-vdd-supply = <&usb_hub>;
+		usb-role-switch;
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			hikey_usb_ep0: endpoint at 0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch>;
+			};
+			hikey_usb_ep1: endpoint at 1 {
+				reg = <1>;
+				remote-endpoint = <&rt1711h_ep>;
+			};
+		};
+	};
 };
 
 /*
@@ -564,7 +595,7 @@ port {
 
 			rt1711h_ep: endpoint at 0 {
 				reg = <0>;
-				remote-endpoint = <&dwc3_role_switch>;
+				remote-endpoint = <&hikey_usb_ep1>;
 			};
 		};
 	};
@@ -686,7 +717,7 @@ port {
 		#size-cells = <0>;
 		dwc3_role_switch: endpoint at 0 {
 			reg = <0>;
-			remote-endpoint = <&rt1711h_ep>;
+			remote-endpoint = <&hikey_usb_ep0>;
 		};
 
 		dwc3_ss: endpoint at 1 {
-- 
2.31.1