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Mon, 22 Nov 2021 06:28:54 +0000 Received: from xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Sun, 21 Nov 2021 22:28:53 -0800 Received: from smtp.xilinx.com (172.19.127.96) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Sun, 21 Nov 2021 22:28:53 -0800 Envelope-to: git@xilinx.com, gregkh@linuxfoundation.org, robh+dt@kernel.org, mka@chromium.org, ravisadineni@chromium.org, stern@rowland.harvard.edu, alcooperx@gmail.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Received: from [10.140.6.35] (port=53536 helo=xhdsaipava40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mp2ou-0001Mv-MQ; Sun, 21 Nov 2021 22:28:53 -0800 From: Piyush Mehta To: , , , , , , CC: , , , , , Subject: [PATCH V2 1/2] dt-bindings: usb: misc: Add binding for Microchip usb2244 Controller Date: Mon, 22 Nov 2021 11:58:33 +0530 Message-ID: <20211122062834.1812005-2-piyush.mehta@xilinx.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211122062834.1812005-1-piyush.mehta@xilinx.com> References: <20211122062834.1812005-1-piyush.mehta@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2e7193f7-ee99-4d08-453c-08d9ad815b2d X-MS-TrafficTypeDiagnostic: DM6PR02MB4155: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:5797; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Nov 2021 06:28:54.0806 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2e7193f7-ee99-4d08-453c-08d9ad815b2d X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: DM3NAM02FT012.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB4155 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Microchip's USB224x family of Hi-Speed USB 2.0 flash media card controllers provides an ultra-fast interface between a USB host controller and flash media cards. Add dt-bindings documentation for Microchip's usb2244 Controller. USB224x is a USB 2.0 compliant ultra fast USB 2.0 multi-format, SD/MMC, and MS Flash Media Controllers. Signed-off-by: Piyush Mehta --- Changes for V2: - Update reset polarity, make reset ACTIVE LOW in the dt-binding document. - Added usbsd node under the usb controller (usb0) node. - Remove Warning: decoded text below may be mangled, UTF-8 assumed. Review comments: Link: https://lore.kernel.org/lkml/CAL_JsqKu6vr3iCz1G7MtK6gyqAvn4s4mpuLOwPzJDEmyZeROig@mail.gmail.com/ --- .../devicetree/bindings/usb/microchip,usb2244.yaml | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/microchip,usb2244.yaml diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml new file mode 100644 index 0000000..1854313 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/microchip,usb2244.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Bindings for the Microchip USB2244 Ultra Fast USB-SD Controller + +description: + Microchip USB224x is a USB 2.0 compliant, Hi-Speed bulk only mass + storage class peripheral controller intended for reading and writing + to popular flash media from the xDPicture Card, Memory Stick (MS), + Secure Digital (SD), and MultiMediaCard (MMC) families. + + USB224x is a flash media card reader solution fully compliant with the + USB 2.0 specification. + +maintainers: + - Piyush Mehta + +properties: + compatible: + const: microchip,usb2244 + + reset-gpios: + maxItems: 1 + description: + The phandle and specifier for the GPIO that controls the RESET line of + flash media controller. + +required: + - compatible + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + usb0 { + usbsd { + compatible = "microchip,usb2244"; + reset-gpios = <&gpio 2 GPIO_ACTIVE_LOW>; + }; + }; + +...