From patchwork Fri Aug  4 14:19:34 2023
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From: Waqar Hameed <waqar.hameed@axis.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
CC: <kernel@axis.com>, <linux-rtc@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/2] dt-bindings: rtc: Add Epson RX8111
In-Reply-To: <cover.1691158774.git.waqar.hameed@axis.com>
Date: Fri, 4 Aug 2023 16:19:34 +0200
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Epson RX8111 is an RTC with timestamp functionality. Add devicetree
bindings requiring the compatible string and I2C slave address (reg).

Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
---
 .../devicetree/bindings/rtc/epson,rx8111.yaml | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/epson,rx8111.yaml

diff --git a/Documentation/devicetree/bindings/rtc/epson,rx8111.yaml b/Documentation/devicetree/bindings/rtc/epson,rx8111.yaml
new file mode 100644
index 000000000000..e6f077a32582
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/epson,rx8111.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/epson,rx8111.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Epson RX8111 Real-Time Clock
+
+maintainers:
+  - Waqar Hameed <waqar.hameed@axis.com>
+
+description: |
+  RTC with timestamp functionality.
+
+  https://support.epson.biz/td/api/doc_check.php?dl=app_RX8111CE&lang=en
+
+properties:
+  compatible:
+    const: epson,rx8111
+
+  reg:
+    const: 0x32
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@32 {
+            compatible = "epson,rx8111";
+            reg = <0x32>;
+        };
+    };
+...