linux-kernel - [PATCH 1/2] dt-bindings: rtc: Add ST M48T86

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Message-Id: <20230823-m48t86_device_tree-v1-1-240023b435ac@maquefel.me>
Date:   Wed, 23 Aug 2023 12:03:14 +0300
From:   Nikita Shubin via B4 Relay 
        <devnull+nikita.shubin.maquefel.me@...nel.org>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nikita Shubin <nikita.shubin@...uefel.me>
Subject: [PATCH 1/2] dt-bindings: rtc: Add ST M48T86

From: Nikita Shubin <nikita.shubin@...uefel.me>

Add YAML bindings for ST M48T86 / Dallas DS12887 RTC.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 .../devicetree/bindings/rtc/st,m48t86.yaml         | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/Documentation/devicetree/bindings/rtc/st,m48t86.yaml b/Documentation/devicetree/bindings/rtc/st,m48t86.yaml
new file mode 100644
index 000000000000..e3e12fa23380
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/st,m48t86.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/st,m48t86.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ST M48T86 / Dallas DS12887 RTC with SRAM
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@...tlin.com>
+
+allOf:
+  - $ref: rtc.yaml
+
+properties:
+  compatible:
+    enum:
+      - st,m48t86
+
+  reg:
+    items:
+      - description: index register
+      - description: data register
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    rtc@...00000 {
+      compatible = "st,m48t86";
+      reg = <0x10800000 0x1>, <0x11700000 0x1>;
+    };
+
+...

-- 
2.39.2