linux-kernel - [PATCH] dt-bindings: timer: fsl,ftm-timer: Convert to dtschema

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Message-ID: <20240730171336.99090-1-animeshagarwal28@gmail.com>
Date: Tue, 30 Jul 2024 22:43:33 +0530
From: Animesh Agarwal <animeshagarwal28@...il.com>
To: 
Cc: Animesh Agarwal <animeshagarwal28@...il.com>,
	Daniel Baluta <daniel.baluta@....com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: timer: fsl,ftm-timer: Convert to dtschema

Convert the Freescale FlexTimer Module (FTM) Timer bindings to yaml.

Cc: Daniel Baluta <daniel.baluta@....com>
Signed-off-by: Animesh Agarwal <animeshagarwal28@...il.com>
---
 .../bindings/timer/fsl,ftm-timer.txt          | 31 ----------
 .../bindings/timer/fsl,ftm-timer.yaml         | 59 +++++++++++++++++++
 2 files changed, 59 insertions(+), 31 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt
 create mode 100644 Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt
deleted file mode 100644
index aa8c40230e5e..000000000000
--- a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-Freescale FlexTimer Module (FTM) Timer
-
-Required properties:
-
-- compatible : should be "fsl,ftm-timer"
-- reg : Specifies base physical address and size of the register sets for the
-  clock event device and clock source device.
-- interrupts : Should be the clock event device interrupt.
-- clocks : The clocks provided by the SoC to drive the timer, must contain an
-  entry for each entry in clock-names.
-- clock-names : Must include the following entries:
-  o "ftm-evt"
-  o "ftm-src"
-  o "ftm-evt-counter-en"
-  o "ftm-src-counter-en"
-- big-endian: One boolean property, the big endian mode will be in use if it is
-  present, or the little endian mode will be in use for all the device registers.
-
-Example:
-ftm: ftm@...b8000 {
-	compatible = "fsl,ftm-timer";
-	reg = <0x400b8000 0x1000 0x400b9000 0x1000>;
-	interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;
-	clock-names = "ftm-evt", "ftm-src",
-		"ftm-evt-counter-en", "ftm-src-counter-en";
-	clocks = <&clks VF610_CLK_FTM2>,
-		<&clks VF610_CLK_FTM3>,
-		<&clks VF610_CLK_FTM2_EXT_FIX_EN>,
-		<&clks VF610_CLK_FTM3_EXT_FIX_EN>;
-	big-endian;
-};
diff --git a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml
new file mode 100644
index 000000000000..0e4a8ddc3de3
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/fsl,ftm-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale FlexTimer Module (FTM) Timer
+
+maintainers:
+  - Animesh Agarwal <animeshagarwal28@...il.com>
+
+properties:
+  compatible:
+    const: fsl,ftm-timer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    description: The clocks provided by the SoC to drive the timer, must
+      contain an entry for each entry in clock-names.
+    minItems: 4
+    maxItems: 4
+
+  clock-names:
+    items:
+      - const: ftm-evt
+      - const: ftm-src
+      - const: ftm-evt-counter-en
+      - const: ftm-src-counter-en
+
+  big-endian: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/vf610-clock.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    ftm@...b8000 {
+        compatible = "fsl,ftm-timer";
+        reg = <0x400b8000 0x1000>;
+        interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;
+        clock-names = "ftm-evt", "ftm-src", "ftm-evt-counter-en", "ftm-src-counter-en";
+        clocks = <&clks VF610_CLK_FTM2>, <&clks VF610_CLK_FTM3>,
+            <&clks VF610_CLK_FTM2_EXT_FIX_EN>, <&clks VF610_CLK_FTM3_EXT_FIX_EN>;
+        big-endian;
+    };
-- 
2.45.2