From patchwork Sat Apr 20 06:40:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Yu X-Patchwork-Id: 10909987 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6F63A922 for ; Sat, 20 Apr 2019 06:41:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5B91D288E2 for ; Sat, 20 Apr 2019 06:41:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4F57428E17; Sat, 20 Apr 2019 06:41:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D97E3288E2 for ; Sat, 20 Apr 2019 06:41:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727838AbfDTGkh (ORCPT ); Sat, 20 Apr 2019 02:40:37 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:39404 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725832AbfDTGkh (ORCPT ); Sat, 20 Apr 2019 02:40:37 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 6B1019216819B50265F4; Sat, 20 Apr 2019 14:40:34 +0800 (CST) Received: from vm100-107-113-134.huawei.com (100.107.113.134) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.408.0; Sat, 20 Apr 2019 14:40:24 +0800 From: Yu Chen To: , , CC: , , , , , , , , , , , , , , Yu Chen , "Kishon Vijay Abraham I" , Sergei Shtylyov , Rob Herring , "Mark Rutland" , Binghui Wang Subject: [PATCH v6 02/13] dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960 Date: Sat, 20 Apr 2019 14:40:08 +0800 Message-ID: <20190420064019.57522-3-chenyu56@huawei.com> X-Mailer: git-send-email 2.15.0-rc2 In-Reply-To: <20190420064019.57522-1-chenyu56@huawei.com> References: <20190420064019.57522-1-chenyu56@huawei.com> MIME-Version: 1.0 X-Originating-IP: [100.107.113.134] X-CFilter-Loop: Reflected Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds binding documentation to support usb hub and usb data role switch of Hisilicon HiKey960 Board. Cc: Kishon Vijay Abraham I 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. v3: * Remove property typec-vbus-enable-val. * Add description of pinctrl-names. * Add example for "hisilicon,gpio-hubv1" * Add flag in gpiod properties. --- --- .../bindings/misc/hisilicon-hikey-usb.txt | 52 ++++++++++++++++++++++ 1 file changed, 52 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..422e844df719 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt @@ -0,0 +1,52 @@ +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 +- 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-names: pin configuration state name ("default") +- pinctrl-0: pinctrl config + +Example +----- + + hisi_hikey_usb: hisi_hikey_usb { + compatible = "hisilicon,hikey960-usb"; + 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>; + 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>; + }; + }; + }; + + hisi_hikey_usb: hisi_hikey_usb { + compatible = "hisilicon,gpio-hubv1"; + typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_LOW>; + otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>; + hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>; + 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>; + }; + }; + };