From: Maxim Kiselev <bigunclemax@xxxxxxxxx> Allwinner's D1/T113s/R329/T507 SoCs have a new general purpose ADC. This ADC is the same for all of this SoCs. The only difference is the number of available channels. Signed-off-by: Maxim Kiselev <bigunclemax@xxxxxxxxx> --- .../iio/adc/allwinner,sun20i-d1-gpadc.yaml | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml new file mode 100644 index 000000000000..94f15bb48231 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/allwinner,sun20i-d1-gpadc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner D1 General Purpose ADC + +properties: + "#io-channel-cells": + const: 1 + + clocks: + maxItems: 1 + + compatible: + enum: + - allwinner,sun20i-d1-gpadc + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - "#io-channel-cells" + - clocks + - compatible + - interrupts + - reg + - resets + +patternProperties: + "^channel@([0-15])$": + $ref: adc.yaml + type: object + description: | + Represents the internal channels of the ADC. + + properties: + reg: + description: | + The channel number. + Up to 16 channels, numbered from 0 to 15. + items: + minimum: 0 + maximum: 15 + + required: + - reg + + additionalProperties: false + +additionalProperties: false + +examples: + - | + gpadc: adc@2009000 { + compatible = "allwinner,sun20i-d1-gpadc"; + reg = <0x2009000 0x1000>; + clocks = <&ccu 80>; + resets = <&ccu 32>; + interrupts = <0 57 4>; + #io-channel-cells = <1>; + + channel@0 { + reg = <0>; + }; + + channel@1 { + reg = <1>; + }; + }; + +... -- 2.39.2
