Thread (6 messages) flat view 6 messages, 2 authors, 2021-09-15
STALE1826d

Revision v4 of 3 in this series.

Revisions (3)
  1. v2 [diff vs current]
  2. v3 [diff vs current]
  3. v4 current

[PATCH v4 3/4] arm64: dts: hisilicon: Add usb mux hub for hikey970

From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Date: 2021-09-03 09:28:50
Also in: linux-arm-kernel, lkml
Subsystem: arm/hisilicon soc support, the rest · Maintainers: Wei Xu, Linus Torvalds

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@kernel.org>
---
 .../boot/dts/hisilicon/hi3670-hikey970.dts    | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
index 60594db07041..95ca49f1e455 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
@@ -53,6 +53,29 @@ wlan_en: wlan-en-1-8v {
 		startup-delay-us = <70000>;
 		enable-active-high;
 	};
+
+	usb-hub {
+		compatible = "hisilicon,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
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