From: Frank Li Date: Wed, 17 May 2023 15:25:45 +0000 (-0400) Subject: dt-bindings: usb: cdns-imx8qm: add imx8qm cdns3 glue layer X-Git-Tag: v6.6.17~4465^2~82 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8486eb8068ccfea99864544327a7d18f8a1e231e;p=platform%2Fkernel%2Flinux-rpi.git dt-bindings: usb: cdns-imx8qm: add imx8qm cdns3 glue layer NXP imx8qm integrates 1 cdns3 IP. This is glue layer device bindings. Signed-off-by: Frank Li Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20230517152545.3404508-2-Frank.Li@nxp.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8qm-cdns3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8qm-cdns3.yaml new file mode 100644 index 0000000..ceb7639 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/fsl,imx8qm-cdns3.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/fsl,imx8qm-cdns3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP iMX8QM Soc USB Controller + +maintainers: + - Frank Li + +properties: + compatible: + const: fsl,imx8qm-usb3 + + reg: + items: + - description: Register set for iMX USB3 Platform Control + + "#address-cells": + enum: [ 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + ranges: true + + clocks: + items: + - description: Standby clock. Used during ultra low power states. + - description: USB bus clock for usb3 controller. + - description: AXI clock for AXI interface. + - description: ipg clock for register access. + - description: Core clock for usb3 controller. + + clock-names: + items: + - const: lpm + - const: bus + - const: aclk + - const: ipg + - const: core + + power-domains: + maxItems: 1 + +# Required child node: + +patternProperties: + "^usb@[0-9a-f]+$": + $ref: cdns,usb3.yaml# + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + #include + + usb@5b110000 { + compatible = "fsl,imx8qm-usb3"; + reg = <0x5b110000 0x10000>; + ranges; + clocks = <&usb3_lpcg IMX_LPCG_CLK_1>, + <&usb3_lpcg IMX_LPCG_CLK_0>, + <&usb3_lpcg IMX_LPCG_CLK_7>, + <&usb3_lpcg IMX_LPCG_CLK_4>, + <&usb3_lpcg IMX_LPCG_CLK_5>; + clock-names = "lpm", "bus", "aclk", "ipg", "core"; + assigned-clocks = <&clk IMX_SC_R_USB_2 IMX_SC_PM_CLK_MST_BUS>; + assigned-clock-rates = <250000000>; + power-domains = <&pd IMX_SC_R_USB_2>; + #address-cells = <1>; + #size-cells = <1>; + + usb@5b120000 { + compatible = "cdns,usb3"; + reg = <0x5b120000 0x10000>, /* memory area for OTG/DRD registers */ + <0x5b130000 0x10000>, /* memory area for HOST registers */ + <0x5b140000 0x10000>; /* memory area for DEVICE registers */ + reg-names = "otg", "xhci", "dev"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + interrupt-names = "host", "peripheral", "otg", "wakeup"; + phys = <&usb3_phy>; + phy-names = "cdns3,usb3-phy"; + }; + };