linux-kernel - [PATCH v3 2/2] dt-bindings: rtc: Add Sunplus RTC json-schema

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Message-Id: <1638517579-10316-3-git-send-email-vincent.sunplus@gamil.com>
Date:   Fri,  3 Dec 2021 15:46:19 +0800
From:   Vincent Shih <vincent.sunplus@...il.com>
To:     a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
        p.zabel@...gutronix.de, linux-kernel@...r.kernel.org,
        linux-rtc@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, wells.lu@...plus.com
Cc:     Vincent Shih <vincent.sunplus@...il.com>
Subject: [PATCH v3 2/2] dt-bindings: rtc: Add Sunplus RTC json-schema

Add Sunplus RTC json-schema

Signed-off-by: Vincent Shih <vincent.sunplus@...il.com>
---
Changes in v3:
 - Addressed the comments from Mr. Rob Herring

 .../bindings/rtc/sunplus,sp7021-rtc.yaml           | 56 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml b/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
new file mode 100644
index 0000000..fd1b3e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/sunplus,sp7021-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SP7021 Real Time Clock controller
+
+maintainers:
+  - Vincent Shih <vincent.sunplus@...il.com>
+
+properties:
+  compatible:
+    const: sunplus,sp7021-rtc
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    items:
+      - const: rtc
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - resets
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    rtc: serial@...03a00 {
+        compatible = "sunplus,sp7021-rtc";
+        reg = <0x9c003a00 0x80>;
+        reg-names = "rtc";
+        clocks = <&clkc 0x12>;
+        resets = <&rstc 0x02>;
+        interrupt-parent = <&intc>;
+        interrupts = <163 IRQ_TYPE_EDGE_RISING>;
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 8c86f28..c6dd228 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17949,6 +17949,7 @@ SUNPLUS RTC DRIVER
 M:	Vincent Shih <vincent.sunplus@...il.com>
 L:	linux-rtc@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
 F:	drivers/rtc/rtc-sunplus.c
 
 SUPERH
-- 
2.7.4