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| author | Hang Cao <caohang@eswincomputing.com> | 2025-11-12 13:53:21 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-21 15:13:35 +0100 |
| commit | c640a4239db53e077dd5fd20db52fbc8b64f290b (patch) | |
| tree | d20e12b0a24165662674c9796c46fb308bda0f10 | |
| parent | 1b474ee01fbb73b1365adbf9b3067f7375e471ee (diff) | |
| download | tip-c640a4239db53e077dd5fd20db52fbc8b64f290b.tar.gz | |
dt-bindings: usb: Add ESWIN EIC7700 USB controller
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>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml b/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml new file mode 100644 index 00000000000000..41c3b1b9899115 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/eswin,eic7700-usb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ESWIN EIC7700 SoC Usb Controller + +maintainers: + - Wei Yang <yangwei1@eswincomputing.com> + - Senchuan Zhang <zhangsenchuan@eswincomputing.com> + - Hang Cao <caohang@eswincomputing.com> + +description: + The Usb controller on EIC7700 SoC. + +allOf: + - $ref: snps,dwc3-common.yaml# + +properties: + compatible: + const: eswin,eic7700-dwc3 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-names: + items: + - const: peripheral + + clocks: + maxItems: 3 + + clock-names: + items: + - const: aclk + - const: cfg + - const: usb_en + + resets: + maxItems: 2 + + reset-names: + items: + - const: vaux + - const: usb_rst + + eswin,hsp-sp-csr: + description: + HSP CSR is to control and get status of different high-speed peripherals + (such as Ethernet, USB, SATA, etc.) via register, which can tune + board-level's parameters of PHY, etc. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to HSP Register Controller hsp_sp_csr node. + - description: USB bus register offset. + - description: AXI low power register offset. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - resets + - reset-names + - eswin,hsp-sp-csr + +unevaluatedProperties: false + +examples: + - | + usb@50480000 { + compatible = "eswin,eic7700-dwc3"; + reg = <0x50480000 0x10000>; + clocks = <&clock 135>, + <&clock 136>, + <&hspcrg 18>; + clock-names = "aclk", "cfg", "usb_en"; + interrupt-parent = <&plic>; + interrupts = <85>; + interrupt-names = "peripheral"; + resets = <&reset 84>, <&hspcrg 2>; + reset-names = "vaux", "usb_rst"; + dr_mode = "peripheral"; + maximum-speed = "high-speed"; + phy_type = "utmi"; + eswin,hsp-sp-csr = <&hsp_sp_csr 0x800 0x818>; + }; |