linux-kernel - [PATCH v1 10/43] dt-bindings: rtc: Add Cirrus EP93xx

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Message-Id: <20230601053546.9574-11-nikita.shubin@maquefel.me>
Date:   Thu,  1 Jun 2023 08:34:01 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hartley Sweeten <hsweeten@...ionengravers.com>
Cc:     Nikita Shubin <nikita.shubin@...uefel.me>,
        Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 10/43] dt-bindings: rtc: Add Cirrus EP93xx

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

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---

Notes:
    v0 -> v1:
    Krzysztof Kozlowski:
    - removed wildcards
    - use fallback compatible and list all possible compatibles
    - dropped label
    - fix ident

 .../bindings/rtc/cirrus,ep9301-rtc.yaml       | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/cirrus,ep9301-rtc.yaml

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..63572c197e92
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/cirrus,ep9301-rtc.yaml
@@ -0,0 +1,40 @@
+# 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@...ionengravers.com>
+  - Alexander Sverdlin <alexander.sverdlin@...il.com>
+
+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
+
+additionalProperties: false
+
+examples:
+  - |
+    rtc@...20000 {
+      compatible = "cirrus,ep9301-rtc";
+      reg = <0x80920000 0x100>;
+    };
+
-- 
2.37.4