1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2019-2020 Artur Rojek 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/iio/adc/ingenic,adc.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Ingenic JZ47xx ADC controller IIO bindings 9 10maintainers: 11 - Artur Rojek <contact@artur-rojek.eu> 12 13description: > 14 Industrial I/O subsystem bindings for ADC controller found in 15 Ingenic JZ47xx SoCs. 16 17 ADC clients must use the format described in 18 https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml, 19 giving a phandle and IIO specifier pair ("io-channels") to the ADC controller. 20 21properties: 22 compatible: 23 enum: 24 - ingenic,jz4725b-adc 25 - ingenic,jz4740-adc 26 - ingenic,jz4770-adc 27 28 '#io-channel-cells': 29 const: 1 30 description: 31 Must be set to <1> to indicate channels are selected by index. 32 33 reg: 34 maxItems: 1 35 36 clocks: 37 maxItems: 1 38 39 clock-names: 40 items: 41 - const: adc 42 43 interrupts: 44 maxItems: 1 45 46required: 47 - compatible 48 - '#io-channel-cells' 49 - reg 50 - clocks 51 - clock-names 52 - interrupts 53 54additionalProperties: false 55 56examples: 57 - | 58 #include <dt-bindings/clock/jz4740-cgu.h> 59 #include <dt-bindings/iio/adc/ingenic,adc.h> 60 61 adc@10070000 { 62 compatible = "ingenic,jz4740-adc"; 63 #io-channel-cells = <1>; 64 65 reg = <0x10070000 0x30>; 66 67 clocks = <&cgu JZ4740_CLK_ADC>; 68 clock-names = "adc"; 69 70 interrupt-parent = <&intc>; 71 interrupts = <18>; 72 }; 73