Add DT binding schema for components belonging to the platform-specific DWC3 USB glue layer implemented in UniPhier SoCs. This USB glue layer works as a sideband logic for the host controller, including core reset, vbus control, PHYs, and some signals to the controller. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> --- .../socionext,uniphier-dwc3-glue.yaml | 106 ++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-dwc3-glue.yaml diff --git a/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-dwc3-glue.yaml b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-dwc3-glue.yaml new file mode 100644 index 000000000000..1b5585a5a3a2 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-dwc3-glue.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-dwc3-glue.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier SoC DWC3 USB3.0 glue layer + +maintainers: + - Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> + +description: |+ + DWC3 USB3.0 glue layer implemented on Socionext UniPhier SoCs is + a sideband logic handling signals to DWC3 host controller inside + USB3.0 component. + +properties: + compatible: + items: + - enum: + - socionext,uniphier-pro4-dwc3-glue + - socionext,uniphier-pro5-dwc3-glue + - socionext,uniphier-pxs2-dwc3-glue + - socionext,uniphier-ld20-dwc3-glue + - socionext,uniphier-pxs3-dwc3-glue + - socionext,uniphier-nx1-dwc3-glue + - const: simple-mfd + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + ranges: true + +patternProperties: + "^reset-controller@[0-9a-f]+$": + $ref: /schemas/reset/socionext,uniphier-glue-reset.yaml# + + "^regulator@[0-9a-f]+$": + $ref: /schemas/regulator/socionext,uniphier-regulator.yaml# + + "^phy@[0-9a-f]+$": + oneOf: + - $ref: /schemas/phy/socionext,uniphier-usb3hs-phy.yaml# + - $ref: /schemas/phy/socionext,uniphier-usb3ss-phy.yaml# + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + usb@65b00000 { + compatible = "socionext,uniphier-ld20-dwc3-glue", "simple-mfd"; + reg = <0x65b00000 0x400>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65b00000 0x400>; + + reset-controller@0 { + compatible = "socionext,uniphier-ld20-usb3-reset"; + reg = <0x0 0x4>; + #reset-cells = <1>; + clock-names = "link"; + clocks = <&sys_clk 14>; + reset-names = "link"; + resets = <&sys_rst 14>; + }; + + regulator@100 { + compatible = "socionext,uniphier-ld20-usb3-regulator"; + reg = <0x100 0x10>; + clock-names = "link"; + clocks = <&sys_clk 14>; + reset-names = "link"; + resets = <&sys_rst 14>; + }; + + phy@200 { + compatible = "socionext,uniphier-ld20-usb3-hsphy"; + reg = <0x200 0x10>; + #phy-cells = <0>; + clock-names = "link", "phy"; + clocks = <&sys_clk 14>, <&sys_clk 16>; + reset-names = "link", "phy"; + resets = <&sys_rst 14>, <&sys_rst 16>; + }; + + phy@300 { + compatible = "socionext,uniphier-ld20-usb3-ssphy"; + reg = <0x300 0x10>; + #phy-cells = <0>; + clock-names = "link", "phy"; + clocks = <&sys_clk 14>, <&sys_clk 18>; + reset-names = "link", "phy"; + resets = <&sys_rst 14>, <&sys_rst 18>; + }; + }; + -- 2.25.1
