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dt-bindings: iio: adc: add Texas Instruments ADS7924
Add device tree bindings document for the Texas Instruments ADS7924
ADC.
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230115170623.3680647-3-hugo@hugovil.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Hugo Villeneuve
and committed by
Jonathan Cameron
2315b5ce
4d82b2f9
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Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
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Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI ADS7924 4 channels 12 bits I2C analog to digital converter
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maintainers:
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- Hugo Villeneuve <hvilleneuve@dimonoff.com>
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description: |
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Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter
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Specifications:
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https://www.ti.com/lit/gpn/ads7924
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properties:
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compatible:
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const: ti,ads7924
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reg:
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maxItems: 1
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vref-supply:
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description:
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The regulator supply for the ADC reference voltage (AVDD)
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reset-gpios:
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maxItems: 1
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interrupts:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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"#io-channel-cells":
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const: 1
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patternProperties:
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"^channel@[0-3]+$":
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$ref: adc.yaml
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description: |
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Represents the external channels which are connected to the ADC.
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properties:
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reg:
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description: |
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The channel number. It can have up to 4 channels numbered from 0 to 3.
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items:
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- minimum: 0
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maximum: 3
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label: true
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required:
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- reg
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additionalProperties: false
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additionalProperties: false
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required:
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- compatible
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- reg
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- vref-supply
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- "#address-cells"
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- "#size-cells"
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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adc@48 {
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compatible = "ti,ads7924";
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reg = <0x48>;
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vref-supply = <&ads7924_reg>;
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reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
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interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
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interrupt-parent = <&gpio>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@0 {
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reg = <0>;
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label = "CH0";
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};
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channel@1 {
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reg = <1>;
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label = "CH1";
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};
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channel@2 {
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reg = <2>;
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label = "CH2";
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};
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channel@3 {
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reg = <3>;
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label = "CH3";
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};
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};
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};
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...