linux-kernel - [PATCH v1 08/43] dt-bindings: timers: Add Cirrus EP93xx

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Message-Id: <20230601053546.9574-9-nikita.shubin@maquefel.me>
Date:   Thu,  1 Jun 2023 08:33:59 +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>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v1 08/43] dt-bindings: timers: Add Cirrus EP93xx

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

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

Notes:
    v0 -> v1:
    - as Hartley (unfortunately) looks like not interested in dt rework,
      added myself instead
    
    Krzysztof Kozlowski:
    - removed wildcards
    - use fallback compatible and list all possible compatibles
    - fix ident
    - dropped bindings in title

 .../bindings/timer/cirrus,ep9301-timer.yaml   | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/cirrus,ep9301-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/cirrus,ep9301-timer.yaml b/Documentation/devicetree/bindings/timer/cirrus,ep9301-timer.yaml
new file mode 100644
index 000000000000..e463e11e259d
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/cirrus,ep9301-timer.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/cirrus,ep9301-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP93xx timer
+
+maintainers:
+  - Alexander Sverdlin <alexander.sverdlin@...il.com>
+  - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-timer
+      - items:
+          - enum:
+              - cirrus,ep9302-timer
+              - cirrus,ep9307-timer
+              - cirrus,ep9312-timer
+              - cirrus,ep9315-timer
+          - const: cirrus,ep9301-timer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@...10000 {
+      compatible = "cirrus,ep9301-timer";
+      reg = <0x80810000 0x100>;
+      interrupt-parent = <&vic1>;
+      interrupts = <19>;
+    };
+...
-- 
2.37.4