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Fri, 2 Oct 2020 16:35:00 +0000 From: Li Jun To: robh+dt@kernel.org, shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, jun.li@nxp.com, aisheng.dong@nxp.com, peng.fan@nxp.com, fugang.duan@nxp.com, horia.geanta@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 1/4] dt-bindings: usb: dwc3-imx8mp: add imx8mp dwc3 glue bindings Date: Sat, 3 Oct 2020 00:30:35 +0800 Message-Id: <1601656238-22232-2-git-send-email-jun.li@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1601656238-22232-1-git-send-email-jun.li@nxp.com> References: <1601656238-22232-1-git-send-email-jun.li@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR01CA0106.apcprd01.prod.exchangelabs.com (2603:1096:3:15::32) To VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR01CA0106.apcprd01.prod.exchangelabs.com (2603:1096:3:15::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3433.36 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: acba30b9-8166-405e-e236-08d866f11aa4 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6528.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Oct 2020 16:35:00.6722 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: tppWEdjgZW7IFIiHQb0KtJdxVqY5Pl4yWiZO85/r3ifYW1ioHf2fRJu61RwLSsal X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB5213 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org NXP imx8mp integrates 2 dwc3 3.30b IP and add some wakeup logic to support low power mode, the glue layer is for this wakeup functionality, which has a separated interrupt, can support wakeup from U3 and connect events for host, and vbus wakeup for device. Signed-off-by: Li Jun --- .../devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml | 106 +++++++++++++++++++++ 1 file changed, 106 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml new file mode 100644 index 0000000..c16c94c --- /dev/null +++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP iMX8MP Soc USB Controller + +maintainers: + - Li Jun + +properties: + compatible: + items: + - const: fsl,imx8mp-dwc3 + + reg: + maxItems: 1 + description: Address and length of the register set for the wrapper of + dwc3 core on the SOC. + + "#address-cells": + enum: [ 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + dma-ranges: + description: + See section 2.3.9 of the DeviceTree Specification. + + ranges: true + + interrupts: + maxItems: 1 + description: The interrupt that is asserted when a wakeup event is + received. + + clocks: + description: + A list of phandle and clock-specifier pairs for the clocks + listed in clock-names. + items: + - description: system hsio root clock. + - description: suspend clock, used for usb wakeup logic. + + clock-names: + items: + - const: hsio + - const: suspend + +# Required child node: + +patternProperties: + "^dwc3@[0-9a-f]+$": + type: object + description: + A child node must exist to represent the core DWC3 IP block + The content of the node is defined in dwc3.txt. + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - dma-ranges + - ranges + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + #include + usb3_0: usb@32f10100 { + compatible = "fsl,imx8mp-dwc3"; + reg = <0x32f10100 0x8>; + clocks = <&clk IMX8MP_CLK_HSIO_ROOT>, + <&clk IMX8MP_CLK_USB_ROOT>; + clock-names = "hsio", "suspend"; + interrupts = ; + #address-cells = <1>; + #size-cells = <1>; + dma-ranges = <0x40000000 0x40000000 0xc0000000>; + ranges; + + dwc3@38100000 { + compatible = "snps,dwc3"; + reg = <0x38100000 0x10000>; + clocks = <&clk IMX8MP_CLK_HSIO_AXI>, + <&clk IMX8MP_CLK_USB_CORE_REF>, + <&clk IMX8MP_CLK_USB_ROOT>; + clock-names = "bus_early", "ref", "suspend"; + assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>; + assigned-clock-rates = <500000000>; + interrupts = ; + phys = <&usb3_phy0>, <&usb3_phy0>; + phy-names = "usb2-phy", "usb3-phy"; + snps,dis-u2-freeclk-exists-quirk; + }; + }; -- 2.7.4