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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-06-27 17:32:35 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-07-17 19:02:25 +0100
commit609bf552b034f62e8775153d943524a1ed4dbc2a (patch)
tree470475a185528cb5da1a6f2b750e09149d346926 /Documentation/devicetree/bindings/iio
parent5992d5a6b563bcf4313d8c06b957052b131eba6d (diff)
dt-bindings: iio: dac: ad5449: Add missing binding document.
Documenting existing binding, so little flexibility available. 2 channel devices that require separate reference voltages. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210627163244.1090296-7-jic23@kernel.org
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
-rw-r--r--Documentation/devicetree/bindings/iio/dac/adi,ad5449.yaml97
1 files changed, 97 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5449.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5449.yaml
new file mode 100644
index 000000000000..044332c97743
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+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5449.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad5449.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5449 and similar DACs
+
+maintainers:
+ - Lars-Peter Clausen <lars@metafoo.de>
+ - Jonathan Cameron <jic23@kernel.org>
+
+description:
+ Family of multiplying DACs from Analog Devices
+
+properties:
+ compatible:
+ enum:
+ - adi,ad5415
+ - adi,ad5426
+ - adi,ad5429
+ - adi,ad5432
+ - adi,ad5439
+ - adi,ad5443
+ - adi,ad5449
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
+
+ VREF-supply: true
+ VREFA-supply: true
+ VREFB-supply: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - adi,ad5415
+ - adi,ad5426
+ - adi,ad5432
+ then:
+ properties:
+ VREF-supply: true
+ VREFA-supply: false
+ VREFB-supply: false
+ required:
+ - VREF-supply
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - adi,ad5429
+ - adi,ad5439
+ - adi,ad5449
+ then:
+ properties:
+ VREF-supply: false
+ VREFA-supply: true
+ VREFB-supply: true
+ required:
+ - VREFA-supply
+ - VREFB-supply
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ dac@0 {
+ reg = <0>;
+ compatible = "adi,ad5415";
+ VREF-supply = <&dac_ref>;
+ };
+ };
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ dac@0 {
+ reg = <0>;
+ compatible = "adi,ad5429";
+ VREFA-supply = <&dac_refA>;
+ VREFB-supply = <&dac_refB>;
+ };
+ };
+...