linux-kernel - [PATCH v2] dt-bindings: watchdog: img,pdc-wdt: Convert to dtschema

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Date: Tue, 28 May 2024 01:28:12 +0530
From: Shresth Prasad <shresthprasad7@...il.com>
To: wim@...ux-watchdog.org,
	linux@...ck-us.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	skhan@...uxfoundation.org,
	javier.carrasco.cruz@...il.com,
	Shresth Prasad <shresthprasad7@...il.com>,
	Shresth Prasad <shrestprasad7@...il.com>
Subject: [PATCH v2] dt-bindings: watchdog: img,pdc-wdt: Convert to dtschema

Convert txt bindings of ImgTec's PDC watchdog timer to dtschema to allow
for validation.

Signed-off-by: Shresth Prasad <shrestprasad7@...il.com>
---
Changes in v2:
    - Remove blank space
    - Add item list with description for clocks
    - Drop description for interrupts
    - Drop properties assigned-clocks and assigned-clock-rates
---
 .../bindings/watchdog/img,pdc-wdt.yaml        | 55 +++++++++++++++++++
 .../bindings/watchdog/imgpdc-wdt.txt          | 19 -------
 2 files changed, 55 insertions(+), 19 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/watchdog/img,pdc-wdt.yaml
 delete mode 100644 Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/img,pdc-wdt.yaml b/Documentation/devicetree/bindings/watchdog/img,pdc-wdt.yaml
new file mode 100644
index 000000000000..a88a27354505
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/img,pdc-wdt.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/img,pdc-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
+
+maintainers:
+  - Shresth Prasad <shresthprasad7@...il.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    enum:
+      - img,pdc-wdt
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: watchdog counter clock
+      - description: register interface clock
+
+  clock-names:
+    items:
+      - const: wdt
+      - const: sys
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    watchdog@...02100 {
+      compatible = "img,pdc-wdt";
+      reg = <0x18102100 0x100>;
+      clocks = <&pdc_wdt_clk>, <&sys_clk>;
+      clock-names = "wdt", "sys";
+      interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
+    };
diff --git a/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt b/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
deleted file mode 100644
index b2fa11fd43de..000000000000
--- a/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-*ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
-
-Required properties:
-- compatible : Should be "img,pdc-wdt"
-- reg : Should contain WDT registers location and length
-- clocks: Must contain an entry for each entry in clock-names.
-- clock-names: Should contain "wdt" and "sys"; the watchdog counter
-               clock and register interface clock respectively.
-- interrupts : Should contain WDT interrupt
-
-Examples:
-
-watchdog@...02100 {
-	compatible = "img,pdc-wdt";
-	reg = <0x18102100 0x100>;
-	clocks = <&pdc_wdt_clk>, <&sys_clk>;
-	clock-names = "wdt", "sys";
-	interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
-};
-- 
2.45.1