[PATCH 1/4] dt-bindings: iio: adc: adi,ad4000: Add PulSAR

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Extend the AD4000 series device tree documentation to also describe
PulSAR devices.

Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
---
 .../bindings/iio/adc/adi,ad4000.yaml          | 115 +++++++++++++++++-
 1 file changed, 114 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
index e413a9d8d2a2..35049071a9de 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
@@ -19,6 +19,21 @@ description: |
     https://www.analog.com/media/en/technical-documentation/data-sheets/ad4020-4021-4022.pdf
     https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4001.pdf
     https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4003.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7685.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7686.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7687.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7688.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7690.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7691.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7693.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7694.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7942.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7946.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7980.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7982.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7983.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7984.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7988-1_7988-5.pdf
 
 $ref: /schemas/spi/spi-peripheral-props.yaml#
 
@@ -63,6 +78,38 @@ properties:
 
       - const: adi,adaq4003
 
+      - const: adi,ad7946
+      - items:
+          - enum:
+              - adi,ad7942
+          - const: adi,ad7946
+
+      - const: adi,ad7983
+      - items:
+          - enum:
+              - adi,ad7980
+              - adi,ad7988-5
+              - adi,ad7686
+              - adi,ad7685
+              - adi,ad7694
+              - adi,ad7988-1
+          - const: adi,ad7983
+
+      - const: adi,ad7688
+      - items:
+          - enum:
+              - adi,ad7693
+              - adi,ad7687
+          - const: adi,ad7688
+
+      - const: adi,ad7984
+      - items:
+          - enum:
+              - adi,ad7982
+              - adi,ad7690
+              - adi,ad7691
+          - const: adi,ad7984
+
   reg:
     maxItems: 1
 
@@ -129,10 +176,76 @@ required:
   - compatible
   - reg
   - vdd-supply
-  - vio-supply
   - ref-supply
 
 allOf:
+  # AD7694 doesn't have a VIO pin
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad4000
+              - adi,ad4001
+              - adi,ad4002
+              - adi,ad4003
+              - adi,ad4004
+              - adi,ad4005
+              - adi,ad4006
+              - adi,ad4007
+              - adi,ad4008
+              - adi,ad4010
+              - adi,ad4011
+              - adi,ad4020
+              - adi,ad4021
+              - adi,ad4022
+              - adi,adaq4001
+              - adi,adaq4003
+              - adi,ad7685
+              - adi,ad7686
+              - adi,ad7687
+              - adi,ad7688
+              - adi,ad7690
+              - adi,ad7691
+              - adi,ad7693
+              - adi,ad7942
+              - adi,ad7946
+              - adi,ad7980
+              - adi,ad7982
+              - adi,ad7983
+              - adi,ad7984
+              - adi,ad7988-1
+              - adi,ad7988-5
+    then:
+      required:
+        - vio-supply
+  # Single-channel PulSAR devices have SDI either tied to VIO, GND, or host CS.
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7685
+              - adi,ad7686
+              - adi,ad7687
+              - adi,ad7688
+              - adi,ad7690
+              - adi,ad7691
+              - adi,ad7693
+              - adi,ad7694
+              - adi,ad7942
+              - adi,ad7946
+              - adi,ad7980
+              - adi,ad7982
+              - adi,ad7983
+              - adi,ad7984
+              - adi,ad7988-1
+              - adi,ad7988-5
+    then:
+      properties:
+        adi,sdi-pin:
+          enum: [ high, low, cs ]
+          default: high
   # The configuration register can only be accessed if SDI is connected to MOSI
   - if:
       required:
-- 
2.45.2





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