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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2020-09-09 18:59:40 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-09-21 20:01:49 +0100
commite294abc7bef0eaad0719c106670e0fa1d760fcf6 (patch)
tree4a1c738757fe72f3c8e1ac2d06098fe5d852ccda
parentdt-bindings:iio:adc:dlg,da9150-gpadc yaml conversion (diff)
downloadlinux-e294abc7bef0eaad0719c106670e0fa1d760fcf6.tar.gz
linux-e294abc7bef0eaad0719c106670e0fa1d760fcf6.zip
dt-bindings:iio:adc:adi,ad7949 yaml conversion
Simple SPI driver. I've added the #io-channel-cells as an optional parameter to allow use of this device as a provider of ADC capabilities to other devices. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org> Cc: Charles-Antoine Couret <charles-antoine.couret@essensium.com> Link: https://lore.kernel.org/r/20200909175946.395313-15-jic23@kernel.org
-rw-r--r--Documentation/devicetree/bindings/iio/adc/ad7949.txt16
-rw-r--r--Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml57
2 files changed, 57 insertions, 16 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/ad7949.txt b/Documentation/devicetree/bindings/iio/adc/ad7949.txt
deleted file mode 100644
index c7f5057356b1..000000000000
--- a/Documentation/devicetree/bindings/iio/adc/ad7949.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-* Analog Devices AD7949/AD7682/AD7689
-
-Required properties:
- - compatible: Should be one of
- * "adi,ad7949"
- * "adi,ad7682"
- * "adi,ad7689"
- - reg: spi chip select number for the device
- - vref-supply: The regulator supply for ADC reference voltage
-
-Example:
-adc@0 {
- compatible = "adi,ad7949";
- reg = <0>;
- vref-supply = <&vdd_supply>;
-};
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml
new file mode 100644
index 000000000000..9b56bd4d5510
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7949.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7949/AD7682/AD7689 analog to digital converters
+
+maintainers:
+ - Charles-Antoine Couret <charles-antoine.couret@essensium.com>
+
+description: |
+ Specifications on the converters can be found at:
+ AD7949:
+ https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
+ AD7682/AD7698:
+ https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,ad7682
+ - adi,ad7689
+ - adi,ad7949
+
+ reg:
+ maxItems: 1
+
+ vref-supply:
+ description:
+ ADC reference voltage supply
+
+ spi-max-frequency: true
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "adi,ad7949";
+ reg = <0>;
+ vref-supply = <&vdd_supply>;
+ };
+ };
+...