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Add Device Tree binding documentation for the ESWIN EIC7700 usb controller module. Signed-off-by: Senchuan Zhang <zhangsenchuan@eswincomputing.com> Signed-off-by: Hang Cao <caohang@eswincomputing.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20251112055321.1638-1-caohang@eswincomputing.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
95 lines
2.1 KiB
YAML
95 lines
2.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/eswin,eic7700-usb.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ESWIN EIC7700 SoC Usb Controller
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maintainers:
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- Wei Yang <yangwei1@eswincomputing.com>
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- Senchuan Zhang <zhangsenchuan@eswincomputing.com>
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- Hang Cao <caohang@eswincomputing.com>
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description:
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The Usb controller on EIC7700 SoC.
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allOf:
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- $ref: snps,dwc3-common.yaml#
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properties:
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compatible:
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const: eswin,eic7700-dwc3
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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interrupt-names:
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items:
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- const: peripheral
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clocks:
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maxItems: 3
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clock-names:
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items:
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- const: aclk
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- const: cfg
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- const: usb_en
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resets:
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maxItems: 2
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reset-names:
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items:
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- const: vaux
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- const: usb_rst
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eswin,hsp-sp-csr:
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description:
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HSP CSR is to control and get status of different high-speed peripherals
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(such as Ethernet, USB, SATA, etc.) via register, which can tune
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board-level's parameters of PHY, etc.
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to HSP Register Controller hsp_sp_csr node.
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- description: USB bus register offset.
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- description: AXI low power register offset.
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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- interrupt-names
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- resets
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- reset-names
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- eswin,hsp-sp-csr
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unevaluatedProperties: false
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examples:
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- |
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usb@50480000 {
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compatible = "eswin,eic7700-dwc3";
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reg = <0x50480000 0x10000>;
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clocks = <&clock 135>,
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<&clock 136>,
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<&hspcrg 18>;
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clock-names = "aclk", "cfg", "usb_en";
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interrupt-parent = <&plic>;
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interrupts = <85>;
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interrupt-names = "peripheral";
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resets = <&reset 84>, <&hspcrg 2>;
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reset-names = "vaux", "usb_rst";
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dr_mode = "peripheral";
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maximum-speed = "high-speed";
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phy_type = "utmi";
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eswin,hsp-sp-csr = <&hsp_sp_csr 0x800 0x818>;
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};
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