linux-kernel - [PATCH 1/2] dt-bindings: watchdog: Add Loongson-1 watchdog

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Message-Id: <20230407110025.516405-2-keguang.zhang@gmail.com>
Date:   Fri,  7 Apr 2023 19:00:24 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Yang Ling <gnaygnil@...il.com>,
        Keguang Zhang <keguang.zhang@...il.com>
Subject: [PATCH 1/2] dt-bindings: watchdog: Add Loongson-1 watchdog

Add devicetree binding document for Loongson-1 watchdog.

Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
---
 .../bindings/watchdog/loongson,ls1x-wdt.yaml  | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml b/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml
new file mode 100644
index 000000000000..203726da14ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/loongson,ls1x-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 Watchdog Timer
+
+maintainers:
+  - Keguang Zhang <keguang.zhang@...il.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    const: loongson,ls1x-wdt
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/loongson,ls1x-clk.h>
+    watchdog: watchdog@...5c060 {
+        compatible = "loongson,ls1x-wdt";
+        reg = <0x1fe5c060 0xc>;
+
+        clocks = <&clkc LS1X_CLKID_APB>;
+    };
-- 
2.34.1