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Message-Id: <20220302123817.27025-3-potin.lai@quantatw.com>
Date:   Wed,  2 Mar 2022 20:38:17 +0800
From:   Potin Lai <potin.lai@...ntatw.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Patrick Williams <patrick@...cx.xyz>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Potin Lai <potin.lai@...ntatw.com>
Subject: [PATCH v6 2/2] dt-bindings: hwmon: Add sample averaging properties for ADM1275

Add documentation of new properties for sample averaging in PMON_CONFIG
register.

New properties:
- adi,volt-curr-sample-average
- adi,power-sample-average

Signed-off-by: Potin Lai <potin.lai@...ntatw.com>
---
 .../bindings/hwmon/adi,adm1275.yaml           | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml
index 223393d7cafd..ab87f51c5aef 100644
--- a/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml
@@ -37,6 +37,72 @@ properties:
     description:
       Shunt resistor value in micro-Ohm.
 
+  adi,volt-curr-sample-average:
+    description: |
+      Number of samples to be used to report voltage and current values.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 4, 8, 16, 32, 64, 128]
+
+  adi,power-sample-average:
+    description: |
+      Number of samples to be used to report power values.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 4, 8, 16, 32, 64, 128]
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,adm1075
+              - adi,adm1276
+    then:
+      properties:
+        adi,volt-curr-sample-average:
+          default: 128
+        adi,power-sample-average: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,adm1275
+    then:
+      properties:
+        adi,volt-curr-sample-average:
+          default: 16
+        adi,power-sample-average: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,adm1272
+    then:
+      properties:
+        adi,volt-curr-sample-average:
+          default: 128
+        adi,power-sample-average:
+          default: 128
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,adm1278
+              - adi,adm1293
+              - adi,adm1294
+    then:
+      properties:
+        adi,volt-curr-sample-average:
+          default: 128
+        adi,power-sample-average:
+          default: 1
+
 required:
   - compatible
   - reg
@@ -53,5 +119,7 @@ examples:
             compatible = "adi,adm1272";
             reg = <0x10>;
             shunt-resistor-micro-ohms = <500>;
+            adi,volt-curr-sample-average = <128>;
+            adi,power-sample-average = <128>;
         };
     };
-- 
2.17.1

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