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From: Alisa-Dariana Roman <alisadariana@gmail.com>
To: michael.hennerich@analog.com, linux-iio@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org,
	robh@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	conor+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org,
	andy@kernel.org, nuno.sa@analog.com, marcelo.schmitt@analog.com,
	bigunclemax@gmail.com, dlechner@baylibre.com,
	okan.sahin@analog.com, fr0st61te@gmail.com,
	alisa.roman@analog.com, marcus.folkesson@gmail.com,
	schnelle@linux.ibm.com, liambeguin@gmail.com
Subject: [PATCH v8 5/6] dt-bindings: iio: adc: ad7192: Add AD7194 support
Date: Tue, 14 May 2024 15:02:21 +0300	[thread overview]
Message-ID: <20240514120222.56488-6-alisa.roman@analog.com> (raw)
In-Reply-To: <20240514120222.56488-1-alisa.roman@analog.com>

Unlike the other AD719Xs, AD7194 has configurable channels. The user can
dynamically configure them in the devicetree.

Also add an example for AD7194 devicetree.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
---
 .../bindings/iio/adc/adi,ad7192.yaml          | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index cf5c568f140a..a03da9489ed9 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
@@ -21,8 +21,15 @@ properties:
       - adi,ad7190
       - adi,ad7192
       - adi,ad7193
+      - adi,ad7194
       - adi,ad7195
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
   reg:
     maxItems: 1
 
@@ -89,6 +96,42 @@ properties:
     description: see Documentation/devicetree/bindings/iio/adc/adc.yaml
     type: boolean
 
+patternProperties:
+  "^channel@[0-9a-f]+$":
+    type: object
+    $ref: adc.yaml
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        description: The channel index.
+        minimum: 0
+        maximum: 271
+
+      diff-channels:
+        description:
+          Both inputs can be connected to pins AIN1 to AIN16 by choosing the
+          appropriate value from 1 to 16.
+        items:
+          minimum: 1
+          maximum: 16
+
+      single-channel:
+        description:
+          Positive input can be connected to pins AIN1 to AIN16 by choosing the
+          appropriate value from 1 to 16. Negative input is connected to AINCOM.
+        items:
+          minimum: 1
+          maximum: 16
+
+    oneOf:
+      - required:
+          - reg
+          - diff-channels
+      - required:
+          - reg
+          - single-channel
+
 required:
   - compatible
   - reg
@@ -103,6 +146,17 @@ required:
 
 allOf:
   - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - adi,ad7190
+            - adi,ad7192
+            - adi,ad7193
+            - adi,ad7195
+    then:
+      patternProperties:
+        "^channel@[0-9a-f]+$": false
 
 unevaluatedProperties: false
 
@@ -133,3 +187,38 @@ examples:
             adi,burnout-currents-enable;
         };
     };
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "adi,ad7194";
+            reg = <0>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            spi-max-frequency = <1000000>;
+            spi-cpol;
+            spi-cpha;
+            clocks = <&ad7192_mclk>;
+            clock-names = "mclk";
+            interrupts = <25 0x2>;
+            interrupt-parent = <&gpio>;
+            aincom-supply = <&aincom>;
+            dvdd-supply = <&dvdd>;
+            avdd-supply = <&avdd>;
+            vref-supply = <&vref>;
+
+            channel@0 {
+                reg = <0>;
+                diff-channels = <1 6>;
+            };
+
+            channel@1 {
+                reg = <1>;
+                single-channel = <1>;
+            };
+        };
+    };
-- 
2.34.1


  parent reply	other threads:[~2024-05-14 12:03 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-14 12:02 [PATCH v8 0/6] iio: adc: ad7192: Add AD7194 support Alisa-Dariana Roman
2024-05-14 12:02 ` [PATCH v8 1/6] iio: adc: ad7192: Use standard attribute Alisa-Dariana Roman
2024-05-19 17:45   ` Jonathan Cameron
2024-05-14 12:02 ` [PATCH v8 2/6] dt-bindings: iio: adc: ad7192: Add aincom supply Alisa-Dariana Roman
2024-05-19 17:54   ` Jonathan Cameron
2024-05-14 12:02 ` [PATCH v8 3/6] " Alisa-Dariana Roman
2024-05-14 13:13   ` Andy Shevchenko
2024-05-19 17:53     ` Jonathan Cameron
2024-05-14 12:02 ` [PATCH v8 4/6] dt-bindings: iio: adc: Add single-channel property Alisa-Dariana Roman
2024-05-14 18:57   ` Conor Dooley
2024-05-14 12:02 ` Alisa-Dariana Roman [this message]
2024-05-14 18:58   ` [PATCH v8 5/6] dt-bindings: iio: adc: ad7192: Add AD7194 support Conor Dooley
2024-05-14 12:02 ` [PATCH v8 6/6] " Alisa-Dariana Roman
2024-05-14 13:09   ` Andy Shevchenko
2024-05-19 18:03     ` Jonathan Cameron
2024-05-19 19:37       ` Alisa-Dariana Roman
2024-05-20 12:20         ` Jonathan Cameron
2024-05-20 12:28           ` Andy Shevchenko
2024-05-22  9:50             ` [PATCH] fix Alisa-Dariana Roman
2024-05-25 16:35               ` Jonathan Cameron
2024-05-14 13:14 ` [PATCH v8 0/6] iio: adc: ad7192: Add AD7194 support Andy Shevchenko

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