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Subject[PATCH 4/4] dt-bindings: iio: adc: Convert ad7124 documentation to YAML
Date
Convert AD7124 bindings documentation to YAML format.

Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
---
.../bindings/iio/adc/adi,ad7124.yaml | 146 ++++++++++++++++++
1 file changed, 146 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
new file mode 100644
index 000000000000..2dba3759b8e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
@@ -0,0 +1,146 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2019 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/iio/adc/adi,ad7124.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7124 ADC device driver
+
+maintainers:
+ - Stefan Popa <stefan.popa@analog.com>
+
+description: |
+ Bindings for the Analog Devices AD7124 ADC device. Datasheet can be
+ found here:
+ https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,ad7124-4
+ - adi,ad7124-8
+
+ reg:
+ description: SPI chip select number for the device
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: phandle to the master clock (mclk)
+
+ clock-names:
+ items:
+ - const: mclk
+
+ interrupts:
+ description: IRQ line for the ADC
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ refin1-supply:
+ description: refin1 supply can be used as reference for conversion.
+ maxItems: 1
+
+ refin2-supply:
+ description: refin2 supply can be used as reference for conversion.
+ maxItems: 1
+
+ avdd-supply:
+ description: avdd supply can be used as reference for conversion.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+patternProperties:
+ "^channel@[01]$":
+ type: object
+ description: |
+ Represents the external channels which are connected to the ADC.
+ See Documentation/devicetree/bindings/iio/adc/adc.txt.
+
+ properties:
+ reg:
+ description: |
+ The channel number. It can have up to 8 channels on ad7124-4
+ and 16 channels on ad7124-8, numbered from 0 to 15.
+ maxItems: 1
+
+ adi,reference-select:
+ description: |
+ Select the reference source to use when converting on
+ the specific channel.
+ If this field is left empty, internal reference is selected.
+ maxItems: 1
+
+ diff-channels:
+ description: see Documentation/devicetree/bindings/iio/adc/adc.txt
+ maxItems: 1
+
+ bipolar:
+ description: see Documentation/devicetree/bindings/iio/adc/adc.txt
+ maxItems: 1
+
+ adi,buffered-positive:
+ description: Enable buffered mode for positive input.
+ maxItems: 1
+
+ adi,buffered-negative:
+ description: Enable buffered mode for negative input.
+ maxItems: 1
+
+ required:
+ - reg
+ - diff-channels
+
+examples:
+ - |
+ adc@0 {
+ compatible = "adi,ad7124-4";
+ reg = <0>;
+ spi-max-frequency = <5000000>;
+ interrupts = <25 2>;
+ interrupt-parent = <&gpio>;
+ refin1-supply = <&adc_vref>;
+ clocks = <&ad7124_mclk>;
+ clock-names = "mclk";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@0 {
+ reg = <0>;
+ diff-channels = <0 1>;
+ adi,reference-select = <0>;
+ adi,buffered-positive;
+ };
+
+ channel@1 {
+ reg = <1>;
+ bipolar;
+ diff-channels = <2 3>;
+ adi,reference-select = <0>;
+ adi,buffered-positive;
+ adi,buffered-negative;
+ };
+
+ channel@2 {
+ reg = <2>;
+ diff-channels = <4 5>;
+ };
+
+ channel@3 {
+ reg = <3>;
+ diff-channels = <6 7>;
+ };
+ };
--
2.17.1
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