linux-kernel - [PATCH v4 15/42] dt-bindings: watchdog: Add Cirrus EP93x

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Message-Id: <20230915-ep93xx-v4-15-a1d779dcec10@maquefel.me>
Date:   Fri, 15 Sep 2023 11:10:57 +0300
From:   Nikita Shubin via B4 Relay 
        <devnull+nikita.shubin.maquefel.me@...nel.org>
To:     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>,
        Conor Dooley <conor+dt@...nel.org>,
        Nikita Shubin <nikita.shubin@...uefel.me>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>
Subject: [PATCH v4 15/42] dt-bindings: watchdog: Add Cirrus EP93x

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

Add device tree bindings for the Cirrus Logic EP93xx watchdog block
used in these SoCs.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 .../bindings/watchdog/cirrus,ep9301-wdt.yaml       | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
new file mode 100644
index 000000000000..5dbe891c70c6
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/cirrus,ep9301-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx Watchdog Timer
+
+maintainers:
+  - Nikita Shubin <nikita.shubin@...uefel.me>
+  - Alexander Sverdlin <alexander.sverdlin@...il.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-wdt
+      - items:
+          - enum:
+              - cirrus,ep9302-wdt
+              - cirrus,ep9307-wdt
+              - cirrus,ep9312-wdt
+              - cirrus,ep9315-wdt
+          - const: cirrus,ep9301-wdt
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@...40000 {
+        compatible = "cirrus,ep9301-wdt";
+        reg = <0x80940000 0x08>;
+    };

-- 
2.39.2