From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu Chen Subject: [PATCH v2 02/10] dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960 Date: Mon, 18 Feb 2019 19:23:02 +0800 Message-ID: <20190218112310.17860-3-chenyu56@huawei.com> References: <20190218112310.17860-1-chenyu56@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20190218112310.17860-1-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: john.stultz@linaro.org, suzhuangluan@hisilicon.com, kongfei@hisilicon.com, liuyu712@hisilicon.com, wanghu17@hisilicon.com, butao@hisilicon.com, chenyao11@huawei.com, fangshengzhou@hisilicon.com, lipengcheng8@huawei.com, songxiaowei@hisilicon.com, xuyiping@hisilicon.com, xuyoujun4@huawei.com, yudongbin@hisilicon.com, zangleigang@hisilicon.com, Yu Chen , Sergei Shtylyov , Rob Herring , Mark Rutland , Binghui Wang List-Id: devicetree@vger.kernel.org This patch adds binding documentation to support usb hub and usb data role switch of Hisilicon HiKey960 Board. Cc: Sergei Shtylyov Cc: Rob Herring Cc: Mark Rutland Cc: John Stultz Cc: Binghui Wang Signed-off-by: Yu Chen --- v1: * Fix some format errors as suggested by Sergei. * Modify gpio description to use gpiod API. v2: * Remove information about Hikey. * Fix gpio description. * Remove device_type of endpoint. --- --- .../bindings/misc/hisilicon-hikey-usb.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 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..c2b789b515df --- /dev/null +++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt @@ -0,0 +1,35 @@ +Support usb hub and usb data role switch of Hisilicon HiKey960 Board. + +----------------------------- + +Required properties: +- compatible: "hisilicon,gpio-hubv1","hisilicon,hikey960-usb" +- typec-vbus-gpios: gpio to control the vbus of typeC port +- typec-vbus-enable-val: gpio value that enable the vbus of typeC port +- otg-switch-gpios: gpio to switch DP & DM between the hub and typeC port +- hub-vdd33-en-gpios: gpio to enable the power of hub +- pinctrl-0: pinctrl config + +Example +----- + + hisi_hikey_usb: hisi_hikey_usb { + compatible = "hisilicon,hikey960-usb"; + typec-vbus-gpios = <&gpio25 2 0>; + typec-vbus-enable-val = <1>; + otg-switch-gpios = <&gpio25 6 0>; + hub-vdd33-en-gpios = <&gpio5 6 0>; + pinctrl-names = "default"; + pinctrl-0 = <&usbhub5734_pmx_func>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + hikey_usb_ep: endpoint@0 { + reg = <0>; + remote-endpoint = <&dwc3_role_switch_notify>; + }; + }; + + }; -- 2.15.0-rc2