1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: MAXIM MAX3420/1 USB Peripheral Controller 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Jassi Brar <jaswinder.singh@linaro.org> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyundescription: | 13*4882a593Smuzhiyun The controller provices USB2.0 compliant FullSpeed peripheral 14*4882a593Smuzhiyun implementation over the SPI interface. 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun Specifications about the part can be found at: 17*4882a593Smuzhiyun http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunproperties: 20*4882a593Smuzhiyun compatible: 21*4882a593Smuzhiyun enum: 22*4882a593Smuzhiyun - maxim,max3420-udc 23*4882a593Smuzhiyun - maxim,max3421-udc 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun reg: 26*4882a593Smuzhiyun maxItems: 1 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun interrupts: 29*4882a593Smuzhiyun items: 30*4882a593Smuzhiyun - description: usb irq from max3420 31*4882a593Smuzhiyun - description: vbus detection irq 32*4882a593Smuzhiyun minItems: 1 33*4882a593Smuzhiyun maxItems: 2 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun interrupt-names: 36*4882a593Smuzhiyun items: 37*4882a593Smuzhiyun - const: udc 38*4882a593Smuzhiyun - const: vbus 39*4882a593Smuzhiyun minItems: 1 40*4882a593Smuzhiyun maxItems: 2 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun spi-max-frequency: 43*4882a593Smuzhiyun maximum: 26000000 44*4882a593Smuzhiyun 45*4882a593Smuzhiyunrequired: 46*4882a593Smuzhiyun - compatible 47*4882a593Smuzhiyun - reg 48*4882a593Smuzhiyun - interrupts 49*4882a593Smuzhiyun - interrupt-names 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunadditionalProperties: false 52*4882a593Smuzhiyun 53*4882a593Smuzhiyunexamples: 54*4882a593Smuzhiyun - | 55*4882a593Smuzhiyun #include <dt-bindings/gpio/gpio.h> 56*4882a593Smuzhiyun #include <dt-bindings/interrupt-controller/irq.h> 57*4882a593Smuzhiyun spi0 { 58*4882a593Smuzhiyun #address-cells = <1>; 59*4882a593Smuzhiyun #size-cells = <0>; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun udc@0 { 62*4882a593Smuzhiyun compatible = "maxim,max3420-udc"; 63*4882a593Smuzhiyun reg = <0>; 64*4882a593Smuzhiyun interrupt-parent = <&gpio>; 65*4882a593Smuzhiyun interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>; 66*4882a593Smuzhiyun interrupt-names = "udc", "vbus"; 67*4882a593Smuzhiyun spi-max-frequency = <12500000>; 68*4882a593Smuzhiyun }; 69*4882a593Smuzhiyun }; 70