From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu Chen Subject: [PATCH 03/10] dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960 Date: Sat, 27 Oct 2018 17:58:13 +0800 Message-ID: <20181027095820.40056-4-chenyu56@huawei.com> References: <20181027095820.40056-1-chenyu56@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20181027095820.40056-1-chenyu56@huawei.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: suzhuangluan@hisilicon.com, kongfei@hisilicon.com, Yu Chen , Rob Herring , Mark Rutland , John Stultz , Binghui Wang List-Id: devicetree@vger.kernel.org This patch adds binding documentation to support usb hub and usb data role switch of Hisilicon HiKey&HiKey960 Board. Cc: Rob Herring Cc: Mark Rutland Cc: John Stultz Cc: Binghui Wang Signed-off-by: Yu Chen --- .../bindings/misc/hisilicon-hikey-usb.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt new file mode 100644 index 000000000000..f94e990362c9 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt @@ -0,0 +1,24 @@ +Support usb hub and usb data role switch of Hisilicon HiKey&HiKey960 Board. + +----------------------------- + +Required properties: +- compatible: "hisilicon,gpio_hubv1","hisilicon,hikey960_usb" +- typc_vbus_int_gpio,typec-gpios: gpio to control the vbus of typeC port +- typc_vbus_enable_val: gpio value that enable the vbus of typeC port +- otg_gpio: gpio to switch DP&DM between the hub and typeC port +- hub_vdd33_en_gpio: gpio to enable the power of hub +- pinctrl-0: pinctrl config + +Example +----- + + hisi_hikey_usb: hisi_hikey_usb { + compatible = "hisilicon,hikey960_usb"; + typc_vbus_int_gpio,typec-gpios = <&gpio25 2 0>; + typc_vbus_enable_val = <1>; + otg_gpio = <&gpio25 6 0>; + hub_vdd33_en_gpio = <&gpio5 6 0>; + pinctrl-names = "default"; + pinctrl-0 = <&usbhub5734_pmx_func>; + }; -- 2.15.0-rc2