diff mbox series

[06/15] dt-bindings: iio: dac: ad5449: Add missing binding document.

Message ID 20210627163244.1090296-7-jic23@kernel.org
State New
Headers show
Series dt-bindings: iio: dac: Add most missing binding documents. | expand

Commit Message

Jonathan Cameron June 27, 2021, 4:32 p.m. UTC 
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>


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>
---
 .../bindings/iio/dac/adi,ad5449.yaml          | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)

-- 
2.32.0

Comments

Rob Herring July 14, 2021, 3:55 p.m. UTC | #1 
On Sun, 27 Jun 2021 17:32:35 +0100, Jonathan Cameron wrote:
> From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> 

> 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>

> ---

>  .../bindings/iio/dac/adi,ad5449.yaml          | 97 +++++++++++++++++++

>  1 file changed, 97 insertions(+)

> 


Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

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
--- /dev/null
+++ 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>;
+        };
+    };
+...