linux-kernel - [PATCH v3 1/4] dt-bindings: iio: adc: adi,ad4000: Add PulSAR

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Message-ID: <dd7fd54585e1230d2da86b5e3d4ed770256b0af2.1732020224.git.marcelo.schmitt@analog.com>
Date: Tue, 19 Nov 2024 09:53:40 -0300
From: Marcelo Schmitt <marcelo.schmitt@...log.com>
To: <lars@...afoo.de>, <Michael.Hennerich@...log.com>,
        <marcelo.schmitt@...log.com>, <jic23@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <marcelo.schmitt1@...il.com>
CC: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 1/4] dt-bindings: iio: adc: adi,ad4000: Add PulSAR

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

Signed-off-by: Marcelo Schmitt <marcelo.schmitt@...log.com>
---
No changes from v2 -> v3.

 .../bindings/iio/adc/adi,ad4000.yaml          | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
index e413a9d8d2a2..4dbb3d2876f9 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
@@ -19,6 +19,20 @@ 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/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 +77,37 @@ 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,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
 
@@ -133,6 +178,32 @@ required:
   - ref-supply
 
 allOf:
+  # 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,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: cs
   # The configuration register can only be accessed if SDI is connected to MOSI
   - if:
       required:
-- 
2.45.2