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Diffstat (limited to 'Documentation/devicetree/bindings/usb')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/st,stm32mp25-dwc3.yaml | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/st,stm32mp25-dwc3.yaml b/Documentation/devicetree/bindings/usb/st,stm32mp25-dwc3.yaml new file mode 100644 index 000000000000..96bd55732725 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/st,stm32mp25-dwc3.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/st,stm32mp25-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 MPU DWC3 USB SoC controller + +description: + The STM32 MPU DWC3 USB SoC controller block supports both + Host(SS/HS/FS/LS) and Device(SS/HS/FS) mode operation + +maintainers: + - Fabrice Gasnier <fabrice.gasnier@foss.st.com> + - Marek Vasut <marex@nabladev.com> + +allOf: + - $ref: snps,dwc3-common.yaml# + +properties: + compatible: + const: st,stm32mp25-dwc3 + + reg: + maxItems: 1 + + access-controllers: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: ref + - const: bus_early + - const: suspend + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + over-current-active-low: + type: boolean + description: Over-Current signal polarity is active-low + + st,syscfg: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: Phandle to system configuration controller. + items: + - items: + - description: phandle to syscfg + - description: USB3DR control offset within syscfg + + st,enable-port-power-control: + type: boolean + description: Enable Host-Mode Port Power Control (bit-3 of capability param HCCPARAMS) + + st,vbusen-active-low: + type: boolean + description: VBUS-ENABLE signal polarity is active-low + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - phys + - phy-names + - resets + - st,syscfg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/st,stm32mp25-rcc.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/st,stm32mp25-rcc.h> + + usb@48300000 { + compatible = "st,stm32mp25-dwc3"; + reg = <0x48300000 0x100000>; + clocks = <&rcc CK_KER_USB2PHY2>, <&rcc CK_BUS_USB3DR>, <&rcc CK_KER_USB2PHY2>; + clock-names = "ref", "bus_early", "suspend"; + interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>; + phys = <&usb2_phy>, <&usb3_phy>; + phy-names = "usb2-phy", "usb3-phy"; + resets = <&rcc USB3DR_R>; + over-current-active-low; + st,syscfg = <&syscfg 0x4800>; + st,vbusen-active-low; + }; |
