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Diffstat (limited to 'Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml new file mode 100644 index 000000000000..fbf07d6e707a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/samsung,exynos-usb2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos SoC USB 2.0 EHCI/OHCI Controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + enum: + - samsung,exynos4210-ehci + - samsung,exynos4210-ohci + + '#address-cells': + const: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: usbhost + + interrupts: + maxItems: 1 + + phys: + minItems: 1 + maxItems: 3 + + phy-names: + items: + enum: [host, hsic0, hsic1] + minItems: 1 + maxItems: 3 + + reg: + maxItems: 1 + + samsung,vbus-gpio: + description: + Only for controller in EHCI mode, if present, specifies the GPIO that + needs to be pulled up for the bus to be powered. + + '#size-cells': + const: 0 + +patternProperties: + "^.*@[0-9a-f]{1,2}$": + description: The hard wired USB devices + type: object + $ref: /usb/usb-device.yaml + +required: + - compatible + - clocks + - clock-names + - interrupts + - phys + - phy-names + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,exynos4210-ohci + then: + properties: + samsung,vbus-gpio: false + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5420.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + usb@12110000 { + compatible = "samsung,exynos4210-ehci"; + reg = <0x12110000 0x100>; + interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clock CLK_USBH20>; + clock-names = "usbhost"; + phys = <&usb2_phy 0>; + phy-names = "host"; + + #address-cells = <1>; + #size-cells = <0>; + + hub@1 { + compatible = "usb0424,9514"; + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + usbether@1 { + compatible = "usb0424,ec00"; + reg = <1>; + local-mac-address = [00 00 00 00 00 00]; + }; + }; + }; + + usb@12120000 { + compatible = "samsung,exynos4210-ohci"; + reg = <0x12120000 0x100>; + interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clock CLK_USBH20>; + clock-names = "usbhost"; + phys = <&usb2_phy 0>; + phy-names = "host"; + }; |