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From: Hugo Villeneuve <hugo@hugovil.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
 Alexandre Belloni <alexandre.belloni@bootlin.com>,
 Rob Herring <robh+dt@kernel.org>
Cc: hugo@hugovil.com, Hugo Villeneuve <hvilleneuve@dimonoff.com>,
 linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org
Date: Tue, 25 Jan 2022 15:00:08 -0500
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Subject: [PATCH 09/10] dt-bindings: rtc: pcf2127: add PCF2131
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From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

Add support for new NXP RTC PCF2131.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
---
 .../devicetree/bindings/rtc/nxp,pcf2127.yaml  | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
index cde7b1675ead..57eb0a58afa3 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
@@ -14,7 +14,9 @@ maintainers:
 
 properties:
   compatible:
-    const: nxp,pcf2127
+    enum:
+      - nxp,pcf2127
+      - nxp,pcf2131
 
   reg:
     maxItems: 1
@@ -48,4 +50,19 @@ examples:
         };
     };
 
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@53 {
+            compatible = "nxp,pcf2131";
+            reg = <0x53>;
+            pinctrl-0 = <&rtc_nint_pins>;
+            interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
+            reset-source;
+        };
+    };
+
 ...