dt-bindings: pwm: Convert atmel pwm to json-schema

Convert PWM binding for Atmel/Microchip SoCs to Device Tree Schema
format.

Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml b/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
new file mode 100644 (file)
index 0000000..5e8bb5a
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/atmel,at91sam-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel/Microchip PWM controller
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+allOf:
+  - $ref: "pwm.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - atmel,at91sam9rl-pwm
+      - atmel,sama5d3-pwm
+      - atmel,sama5d2-pwm
+      - microchip,sam9x60-pwm
+
+  reg:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 3
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    pwm0: pwm@f8034000 {
+        compatible = "atmel,at91sam9rl-pwm";
+        reg = <0xf8034000 0x400>;
+        #pwm-cells = <3>;
+    };

diff --git a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt
deleted file mode 100644 (file)
index fbb5325..0000000
--- a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-Atmel PWM controller
-
-Required properties:
-  - compatible: should be one of:
-    - "atmel,at91sam9rl-pwm"
-    - "atmel,sama5d3-pwm"
-    - "atmel,sama5d2-pwm"
-    - "microchip,sam9x60-pwm"
-  - reg: physical base address and length of the controller's registers
-  - #pwm-cells: Should be 3. See pwm.yaml in this directory for a
-    description of the cells format.
-
-Example:
-
-       pwm0: pwm@f8034000 {
-               compatible = "atmel,at91sam9rl-pwm";
-               reg = <0xf8034000 0x400>;
-               #pwm-cells = <3>;
-       };
-
-       pwmleds {
-               compatible = "pwm-leds";
-
-               d1 {
-                       label = "d1";
-                       pwms = <&pwm0 3 5000 0>
-                       max-brightness = <255>;
-               };
-
-               d2 {
-                       label = "d2";
-                       pwms = <&pwm0 1 5000 1>
-                       max-brightness = <255>;
-               };
-       };

diff --git a/MAINTAINERS b/MAINTAINERS
index 009ecbc..6fa5010 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12959,7 +12959,7 @@ M:      Claudiu Beznea <claudiu.beznea@microchip.com>
 L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:     linux-pwm@vger.kernel.org
 S:     Supported
-F:     Documentation/devicetree/bindings/pwm/atmel-pwm.txt
+F:     Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
 F:     drivers/pwm/pwm-atmel.c
 
 MICROCHIP SAMA5D2-COMPATIBLE ADC DRIVER