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-rw-r--r-- | Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml new file mode 100644 index 000000000..c1f0194ad --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/ti,keystone-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI Keystone Soc USB Controller + +maintainers: + - Roger Quadros <rogerq@kernel.org> + +properties: + compatible: + items: + - enum: + - ti,keystone-dwc3 + - ti,am654-dwc3 + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + ranges: true + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + assigned-clocks: + minItems: 1 + maxItems: 2 + + assigned-clock-parents: + minItems: 1 + maxItems: 2 + + power-domains: + maxItems: 1 + description: Should contain a phandle to a PM domain provider node + and an args specifier containing the USB device id + value. This property is as per the binding, + Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml + + phys: + maxItems: 1 + description: + PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY + to be turned on before the controller. + Documentation/devicetree/bindings/phy/phy-bindings.txt + + phy-names: + items: + - const: usb3-phy + + dma-coherent: true + + dma-ranges: true + +patternProperties: + "usb@[a-f0-9]+$": + $ref: snps,dwc3.yaml# + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + dwc3@2680000 { + compatible = "ti,keystone-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2680000 0x10000>; + clocks = <&clkusb>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + ranges; + + usb@2690000 { + compatible = "snps,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; |