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Mon, 6 Jul 2020 09:48:30 +0000 From: Li Jun To: balbi@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, peter.chen@nxp.com, Anson.Huang@nxp.com, peng.fan@nxp.com, horia.geanta@nxp.com Subject: [PATCH v2 5/5] dt-bindings: usb: dwc3-imx8mp: add imx8mp dwc3 glue bindings Date: Mon, 6 Jul 2020 17:44:59 +0800 Message-Id: <1594028699-1055-6-git-send-email-jun.li@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594028699-1055-1-git-send-email-jun.li@nxp.com> References: <1594028699-1055-1-git-send-email-jun.li@nxp.com> X-ClientProxiedBy: SG2PR01CA0117.apcprd01.prod.exchangelabs.com (2603:1096:4:40::21) To VE1PR04MB6528.eurprd04.prod.outlook.com (2603:10a6:803:127::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.67) by SG2PR01CA0117.apcprd01.prod.exchangelabs.com (2603:1096:4:40::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 2OhKSDGbfFLztlZMVS52+Y7xwTjHsylAbykKlTngYWs5ZB+b2zSPyvnSJa8yWNC9QEpsl/nA2xMBzNiN7F9BEoZxeIaOysvPUkmIN2Q2OgybMcJfJeqaFjggQvio+X2+jliF9iZXcmwZ5ks8m+LzkHDRxw/jZuAA7HYF9LAa2XUV+PUrCZeuzyYYvHTvE0OKh7yR5yaAJitxBt2lMBotllP4yAVOQr65fIP1aIiiN+TmyEuV+pVA5EEMJZostM/vLyOL1abNEodB423Jzt66Vf/wpxDAyF2uNdnp9OExWqfTUrZqJ1Mknnm5n4klR6sWMno8adg+d3ZSGqcLUBlok4C9XuaVA13NObY9Ld9QNaLY0r0RcVm5zozBT4+ypLMnQHvu27k2rtGzn3RpvSwglHd2sUrk+jllbO9aQU+ZOkjO/0m2svRKCGI2deQiI+KcvL0hqPqltOefXBiOi2j/2WTuBP9/4tzM3keTwT0UnyE= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 56ff15da-294a-4634-737a-08d82191bd17 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6528.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jul 2020 09:48:30.2208 (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: DeI8wBKFqiiOk8QmQ6XOh4ywCzCND2M3CLvGIE6m87JACQVicGyIU2d79YnybVP5 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB3520 Sender: devicetree-owner@vger.kernel.org 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 | 87 ++++++++++++++++++++++ 1 file changed, 87 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..823db058 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml @@ -0,0 +1,87 @@ +# 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 ] + + 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: system bus AXI clock. + - description: suspend clock, used for wakeup logic. + + clock-names: + items: + - const: hsio + - const: bus + - const: suspend + +# Required child node: + + dwc3: + description: This is the node representing the DWC3 controller instance + Documentation/devicetree/bindings/usb/dwc3.txt + +required: + - compatible + - reg + - interrupts + - clocks + +examples: + - | + #include + #include + usb3_0: usb@32f10100 { + compatible = "fsl,imx8mp-dwc3"; + reg = <0x32f10100 0x8>; + clocks = <&clk IMX8MP_CLK_HSIO_ROOT>, + <&clk IMX8MP_CLK_HSIO_AXI_DIV>, + <&clk IMX8MP_CLK_USB_ROOT>; + clock-names = "hsio", "bus", "suspend"; + assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI_SRC>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>; + assigned-clock-rates = <500000000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dwc3@38100000 { + compatible = "snps,dwc3"; + reg = <0x38100000 0x10000>; + interrupts = ; + phys = <&usb3_phy0>, <&usb3_phy0>; + phy-names = "usb2-phy", "usb3-phy"; + }; + };