linux-kernel - [PATCH 1/3] dt-bindings: rtc: Add Mstar MSC313e RTC devicetree bindings documentation

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Date:   Tue, 20 Jul 2021 19:22:49 +0200
From:   Romain Perier <romain.perier@...il.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Daniel Palmer <daniel@...f.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/3] dt-bindings: rtc: Add Mstar MSC313e RTC devicetree bindings documentation

This adds the documentation for the devicetree bindings of the Mstar
MSC313e RTC driver, found from MSC313e SoCs and newer.

Signed-off-by: Romain Perier <romain.perier@...il.com>
---
 .../bindings/rtc/mstar,msc313-rtc.yaml        | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml b/Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml
new file mode 100644
index 000000000000..978c28bc3da5
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/mstar,msc313-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mstar MSC313e RTC Device Tree Bindings
+
+allOf:
+  - $ref: "rtc.yaml#"
+
+maintainers:
+  - Daniel Palmer <daniel@...f.com>
+  - Romain Perier <romain.perier@...il.com>
+
+properties:
+  compatible:
+    enum:
+      - mstar,msc313-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    rtc@...0 {
+        compatible = "mstar,msc313-rtc";
+        reg = <0x2400 0x40>;
+        clocks = <&xtal_div2>;
+        interrupts-extended = <&intc_irq GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+    };
+...
-- 
2.30.2