| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MAXIM MAX3420/1 USB Peripheral Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Jassi Brar <jaswinder.singh@linaro.org> |
| 11 | |
| 12 | description: | |
| 13 | The controller provices USB2.0 compliant FullSpeed peripheral |
| 14 | implementation over the SPI interface. |
| 15 | |
| 16 | Specifications about the part can be found at: |
| 17 | http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - maxim,max3420-udc |
| 23 | - maxim,max3421-udc |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | interrupts: |
| 29 | items: |
| 30 | - description: usb irq from max3420 |
| 31 | - description: vbus detection irq |
| 32 | minItems: 1 |
| 33 | |
| 34 | interrupt-names: |
| 35 | items: |
| 36 | - const: udc |
| 37 | - const: vbus |
| 38 | minItems: 1 |
| 39 | |
| 40 | spi-max-frequency: |
| 41 | maximum: 26000000 |
| 42 | |
| 43 | required: |
| 44 | - compatible |
| 45 | - reg |
| 46 | - interrupts |
| 47 | - interrupt-names |
| 48 | |
| 49 | additionalProperties: false |
| 50 | |
| 51 | examples: |
| 52 | - | |
| 53 | #include <dt-bindings/gpio/gpio.h> |
| 54 | #include <dt-bindings/interrupt-controller/irq.h> |
| 55 | spi { |
| 56 | #address-cells = <1>; |
| 57 | #size-cells = <0>; |
| 58 | |
| 59 | udc@0 { |
| 60 | compatible = "maxim,max3420-udc"; |
| 61 | reg = <0>; |
| 62 | interrupt-parent = <&gpio>; |
| 63 | interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>; |
| 64 | interrupt-names = "udc", "vbus"; |
| 65 | spi-max-frequency = <12500000>; |
| 66 | }; |
| 67 | }; |