linux-kernel - [PATCH 1/2] dtbindings:rtc:max31335:Add max31331 support

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Message-Id: <20241223-max31331-driver-support-v1-1-f9499bd598f5@analog.com>
Date: Mon, 23 Dec 2024 11:57:44 +0530
From: PavithraUdayakumar-adi via B4 Relay <devnull+pavithra.u.analog.com@...nel.org>
To: Antoniu Miclaus <antoniu.miclaus@...log.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Jean Delvare <jdelvare@...e.com>, 
 Guenter Roeck <linux@...ck-us.net>
Cc: linux-rtc@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org, 
 PavithraUdayakumar-adi <pavithra.u@...log.com>
Subject: [PATCH 1/2] dtbindings:rtc:max31335:Add max31331 support

From: PavithraUdayakumar-adi <pavithra.u@...log.com>

Add support to max31331 RTC chip in adi,max31335.yaml

Signed-off-by: PavithraUdayakumar-adi <pavithra.u@...log.com>
---
 .../devicetree/bindings/rtc/adi,max31335.yaml      | 32 ++++++++++++++++++----
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
index 0125cf6727cc3d9eb3e0253299904ee363ec40ca..2379600911304e995086de6393fae1fd24f5c653 100644
--- a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
+++ b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
@@ -13,15 +13,15 @@ description:
   Analog Devices MAX31335 I2C RTC ±2ppm Automotive Real-Time Clock with
   Integrated MEMS Resonator.
 
-allOf:
-  - $ref: rtc.yaml#
-
 properties:
   compatible:
-    const: adi,max31335
+    enum:
+      - adi,max31331
+      - adi,max31335
 
   reg:
-    maxItems: 1
+    items:
+      - enum: [0x68, 0x69]
 
   interrupts:
     maxItems: 1
@@ -50,6 +50,26 @@ required:
 
 unevaluatedProperties: false
 
+allOf:
+  - $ref: rtc.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,max31335
+    then:
+      properties:
+        reg:
+          items:
+            - const: 0x69
+    else:
+      properties:
+        reg:
+          items:
+            - const: 0x68
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
@@ -59,7 +79,7 @@ examples:
 
         rtc@68 {
             compatible = "adi,max31335";
-            reg = <0x68>;
+            reg = <0x69>;
             pinctrl-0 = <&rtc_nint_pins>;
             interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
             aux-voltage-chargeable = <1>;

-- 
2.25.1