# 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 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 #include spi { #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>; }; };