linux-kernel - [PATCH 3/3] dt-bindings: atmel,hlcdc: convert pwm bindings to json-schema

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Date: Wed, 10 Jan 2024 15:55:35 +0530
From: Dharma Balasubiramani <dharma.b@...rochip.com>
To: <sam@...nborg.org>, <bbrezillon@...nel.org>,
	<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
	<tzimmermann@...e.de>, <airlied@...il.com>, <daniel@...ll.ch>,
	<robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
	<conor+dt@...nel.org>, <nicolas.ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>,
	<dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<lee@...nel.org>, <thierry.reding@...il.com>,
	<u.kleine-koenig@...gutronix.de>, <linux-pwm@...r.kernel.org>
CC: Dharma Balasubiramani <dharma.b@...rochip.com>
Subject: [PATCH 3/3] dt-bindings: atmel,hlcdc: convert pwm bindings to json-schema

Convert device tree bindings for Atmel's HLCDC PWM controller to YAML
format.

Signed-off-by: Dharma Balasubiramani <dharma.b@...rochip.com>
---
 .../bindings/pwm/atmel,hlcdc-pwm.yaml         | 62 +++++++++++++++++++
 .../bindings/pwm/atmel-hlcdc-pwm.txt          | 29 ---------
 2 files changed, 62 insertions(+), 29 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pwm/atmel,hlcdc-pwm.yaml
 delete mode 100644 Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt

diff --git a/Documentation/devicetree/bindings/pwm/atmel,hlcdc-pwm.yaml b/Documentation/devicetree/bindings/pwm/atmel,hlcdc-pwm.yaml
new file mode 100644
index 000000000000..99eaad55ccb3
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/atmel,hlcdc-pwm.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2024 Microchip Technology, Inc. and its subsidiaries
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/atmel,hlcdc-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel's HLCDC (High-end LCD Controller) PWM driver
+
+maintainers:
+  - Nicolas Ferre <nicolas.ferre@...rochip.com>
+  - Alexandre Belloni <alexandre.belloni@...tlin.com>
+  - Claudiu Beznea <claudiu.beznea@...on.dev>
+
+description: |
+  Device-Tree bindings for Atmel's HLCDC PWM driver. The Atmel HLCDC PWM is a
+  subdevice of the HLCDC MFD device.
+  # See ../mfd/atmel,hlcdc.yaml for more details.
+
+properties:
+  compatible:
+    const: atmel,hlcdc-pwm
+
+  pinctrl-names:
+    const: default
+
+  pinctrl-0: true
+
+  "#pwm-cells":
+    const: 3
+    description: |
+      This PWM chip uses the default 3 cells bindings defined in pwm.yaml in
+      this directory.
+
+required:
+  - compatible
+  - pinctrl-names
+  - pinctrl-0
+  - "#pwm-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/at91.h>
+    #include <dt-bindings/pwm/pwm.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    hlcdc: hlcdc@...30000 {
+      compatible = "atmel,sama5d3-hlcdc";
+      reg = <0xf0030000 0x2000>;
+      clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
+      clock-names = "periph_clk","sys_clk", "slow_clk";
+      interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
+
+      hlcdc_pwm: hlcdc-pwm {
+        compatible = "atmel,hlcdc-pwm";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_lcd_pwm>;
+        #pwm-cells = <3>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt
deleted file mode 100644
index afa501bf7f94..000000000000
--- a/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-Device-Tree bindings for Atmel's HLCDC (High-end LCD Controller) PWM driver
-
-The Atmel HLCDC PWM is subdevice of the HLCDC MFD device.
-See ../mfd/atmel-hlcdc.txt for more details.
-
-Required properties:
- - compatible: value should be one of the following:
-   "atmel,hlcdc-pwm"
- - pinctr-names: the pin control state names. Should contain "default".
- - pinctrl-0: should contain the pinctrl states described by pinctrl
-   default.
- - #pwm-cells: should be set to 3. This PWM chip use the default 3 cells
-   bindings defined in pwm.yaml in this directory.
-
-Example:
-
-	hlcdc: hlcdc@...30000 {
-		compatible = "atmel,sama5d3-hlcdc";
-		reg = <0xf0030000 0x2000>;
-		clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
-		clock-names = "periph_clk","sys_clk", "slow_clk";
-
-		hlcdc_pwm: hlcdc-pwm {
-			compatible = "atmel,hlcdc-pwm";
-			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_lcd_pwm>;
-			#pwm-cells = <3>;
-		};
-	};
-- 
2.25.1