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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4a135e924f
Add binding document for the ROHM BD79124 ADC / GPO. ROHM BD79124 is a 8-channel, 12-bit ADC. The input pins can also be used as general purpose outputs. Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/e16f54b6214b0d796216729a7e29b8f7be9ae19e.1742560649.git.mazziesaccount@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
115 lines
2.2 KiB
YAML
115 lines
2.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/rohm,bd79124.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ROHM BD79124 ADC/GPO
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maintainers:
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- Matti Vaittinen <mazziesaccount@gmail.com>
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description: |
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The ROHM BD79124 is a 12-bit, 8-channel, SAR ADC. The ADC supports
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an automatic measurement mode, with an alarm interrupt for out-of-window
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measurements. ADC input pins can be also configured as general purpose
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outputs.
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properties:
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compatible:
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const: rohm,bd79124
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reg:
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description:
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I2C slave address.
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maxItems: 1
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interrupts:
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maxItems: 1
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gpio-controller: true
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"#gpio-cells":
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const: 1
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description:
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The pin number.
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vdd-supply: true
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iovdd-supply: true
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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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patternProperties:
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"^channel@[0-7]+$":
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type: object
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$ref: /schemas/iio/adc/adc.yaml#
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description: Represents ADC channel.
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properties:
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reg:
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description: AIN pin number
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minimum: 0
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maximum: 7
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required:
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- reg
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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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- iovdd-supply
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- vdd-supply
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additionalProperties: false
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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/leds/common.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: adc@10 {
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compatible = "rohm,bd79124";
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reg = <0x10>;
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interrupt-parent = <&gpio1>;
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interrupts = <29 8>;
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vdd-supply = <&dummyreg>;
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iovdd-supply = <&dummyreg>;
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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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};
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channel@1 {
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reg = <1>;
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};
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channel@2 {
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reg = <2>;
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};
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channel@3 {
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reg = <3>;
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};
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channel@4 {
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reg = <4>;
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};
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channel@5 {
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reg = <5>;
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};
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channel@6 {
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reg = <6>;
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};
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};
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};
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