linux-kernel - [PATCH V4 2/3] dt-bindings: rtc: Add support for ATCRTC100 RTC

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Message-ID: <20241113150653.1793123-3-cl634@andestech.com>
Date: Wed, 13 Nov 2024 23:06:52 +0800
From: CL Wang <cl634@...estech.com>
To: <cl634@...estech.com>, <alexandre.belloni@...tlin.com>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-rtc@...r.kernel.org>, <tim609@...estech.com>
Subject: [PATCH V4 2/3] dt-bindings: rtc: Add support for ATCRTC100 RTC

Document Device Tree bindings for the Andes ATCRTC100 Real-Time Clock.

Signed-off-by: CL Wang <cl634@...estech.com>
---
Changes for v2:
 - First version of devicetree bindings for the Andes ATCRTC100 Real-Time Clock.

Changes for v3:
 - Used compatible as the filename.
 - Placed allOf after maintainers.
 - Replaced additionalProperties: false with unevaluatedProperties: false.
 - Added descriptions for interrupts.

Changes for v4:
 - Removed wakeup-source attribute.
---
 .../bindings/rtc/andestech,atcrtc100.yaml     | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml

diff --git a/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml b/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml
new file mode 100644
index 000000000000..ec0a736793c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/andestech,atcrtc100.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/andestech,atcrtc100.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Andes ATCRTC100 Real-Time Clock
+
+maintainers:
+  - CL Wang <cl634@...estech.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    enum:
+      - andestech,atcrtc100
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: Periodic timekeeping interrupt
+      - description: RTC alarm interrupt
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    rtc@...00000 {
+        compatible = "andestech,atcrtc100";
+        reg = <0xf0300000 0x100>;
+        interrupts = <1 IRQ_TYPE_LEVEL_HIGH>, <2 IRQ_TYPE_LEVEL_HIGH>;
+    };
-- 
2.34.1