| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: MAXIM MAX3420/1 USB Peripheral Controller |
| |
| maintainers: |
| - Jassi Brar <jaswinder.singh@linaro.org> |
| |
| description: | |
| The controller provices USB2.0 compliant FullSpeed peripheral |
| implementation over the SPI interface. |
| |
| Specifications about the part can be found at: |
| http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf |
| |
| properties: |
| compatible: |
| enum: |
| - maxim,max3420-udc |
| - maxim,max3421-udc |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| items: |
| - description: usb irq from max3420 |
| - description: vbus detection irq |
| minItems: 1 |
| |
| interrupt-names: |
| items: |
| - const: udc |
| - const: vbus |
| minItems: 1 |
| |
| spi-max-frequency: |
| maximum: 26000000 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - interrupt-names |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| spi0 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| udc@0 { |
| compatible = "maxim,max3420-udc"; |
| reg = <0>; |
| interrupt-parent = <&gpio>; |
| interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>; |
| interrupt-names = "udc", "vbus"; |
| spi-max-frequency = <12500000>; |
| }; |
| }; |
