linux-kernel - [PATCH v1 15/43] dt-bindings: pwm: Add Cirrus EP93xx

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Date:   Thu,  1 Jun 2023 08:34:06 +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>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.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-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 15/43] dt-bindings: pwm: Add Cirrus EP93xx

Add YAML bindings for ep93xx SoC PWM.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---

Notes:
    v0 -> v1:
    Krzysztof Kozlowski:
    - replaced maintainers with Alexander and me
    - removed wildcards
    - use fallback compatible and list all possible compatibles
    - dropped label
    - dopped "clock-names"
    - fix ident

 .../bindings/pwm/cirrus,ep9301-pwm.yaml       | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml

diff --git a/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml b/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml
new file mode 100644
index 000000000000..825c321073ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/cirrus,ep9301-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logick ep93xx PWM controller
+
+maintainers:
+  - Alexander Sverdlin <alexander.sverdlin@...il.com>
+  - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-pwm
+      - items:
+          - enum:
+              - cirrus,ep9302-pwm
+              - cirrus,ep9307-pwm
+              - cirrus,ep9312-pwm
+              - cirrus,ep9315-pwm
+          - const: cirrus,ep9301-pwm
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: SoC PWM clock
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
+    pwm@...10000 {
+      compatible = "cirrus,ep9301-pwm";
+      reg = <0x80910000 0x10>;
+      clocks = <&syscon EP93XX_CLK_PWM>;
+    };
+
+...
-- 
2.37.4