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From:   Nikita Shubin via B4 Relay 
        <devnull+nikita.shubin.maquefel.me@kernel.org>
Date:   Fri, 15 Sep 2023 11:10:55 +0300
Subject: [PATCH v4 13/42] dt-bindings: rtc: Add Cirrus EP93xx
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Message-Id: <20230915-ep93xx-v4-13-a1d779dcec10@maquefel.me>
References: <20230915-ep93xx-v4-0-a1d779dcec10@maquefel.me>
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To:     Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Hartley Sweeten <hsweeten@visionengravers.com>,
        Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc:     linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Alexander Sverdlin <alexander.sverdlin@gmail.com>
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From: Nikita Shubin <nikita.shubin@maquefel.me>

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

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

diff --git a/Documentation/devicetree/bindings/rtc/cirrus,ep9301-rtc.yaml b/Documentation/devicetree/bindings/rtc/cirrus,ep9301-rtc.yaml
new file mode 100644
index 000000000000..a95f6af2b1c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/cirrus,ep9301-rtc.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/cirrus,ep9301-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus EP93xx Real Time Clock controller
+
+maintainers:
+  - Hartley Sweeten <hsweeten@visionengravers.com>
+  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-rtc
+      - items:
+          - enum:
+              - cirrus,ep9302-rtc
+              - cirrus,ep9307-rtc
+              - cirrus,ep9312-rtc
+              - cirrus,ep9315-rtc
+          - const: cirrus,ep9301-rtc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    rtc@80920000 {
+        compatible = "cirrus,ep9301-rtc";
+        reg = <0x80920000 0x100>;
+    };

-- 
2.39.2