linux-kernel - [PATCH v3 4/4] arm64: dts: hisilicon: Add usb mux hub for hikey960

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Message-Id: <4b5ea17f9dd2b3a2652396a99a69a977b744eaf4.1630581434.git.mchehab+huawei@kernel.org>
Date:   Thu,  2 Sep 2021 13:28:37 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        John Stultz <john.stultz@...aro.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,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH v3 4/4] arm64: dts: hisilicon: Add usb mux hub for hikey960

From: John Stultz <john.stultz@...aro.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.

[mchehab: modified it to adapt to the merged DT schema]
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.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..0f253bb705db 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -197,6 +197,37 @@ optee {
 			method = "smc";
 		};
 	};
+
+	usb_hub_vdd: usb_hub_vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "hub-vdd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio5 6 0>;
+		enable-active-high;
+	};
+
+	usb-hub {
+		compatible = "hisilicon,hikey960-usbhub";
+		typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+		otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+		hub-vdd-supply = <&usb_hub_vdd>;
+		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>;
+			};
+		};
+	};
 };
 
 /*
@@ -564,7 +595,7 @@ port {
 
 			rt1711h_ep: endpoint@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@0 {
 			reg = <0>;
-			remote-endpoint = <&rt1711h_ep>;
+			remote-endpoint = <&hikey_usb_ep0>;
 		};
 
 		dwc3_ss: endpoint@1 {
-- 
2.31.1