linux-kernel - [PATCH v2] dt-bindings: watchdog: brcm,kona-wdt: convert txt file to yaml

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Date:   Sun,  2 Apr 2023 15:55:55 +0200
From:   Nikita Bondarenko <n2h9z4@...il.com>
To:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, f.fainelli@...il.com,
        rjui@...adcom.com, sbranden@...adcom.com
Cc:     Nikita Bondarenko <n2h9z4@...il.com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] dt-bindings: watchdog: brcm,kona-wdt: convert txt file to yaml

Remove device tree binding in txt
Add device tree binding in json-schema


Signed-off-by: Nikita Bondarenko <n2h9z4@...il.com>
---

Changes in v2, according to review comments:
- use subject prefixes matching the subsystem in patch subject
- add commit message
- update the list of maintainers: add here all maintainers returned by scripts/get_maintainer.p who are marked as "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX"
- remove quotes in - $ref: watchdog.yaml#
- remove description for reg
- leave one example
- add all SoCs mentioned in txt file description to compatible enum values 

Both checks (dtbs_check, dt_binding_check) return no error:

make  DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml ARCH=arm dtbs_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json

make  DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml ARCH=arm dt_binding_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTEX    Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.example.dts
  DTC_CHK Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.example.dtb

 .../bindings/watchdog/brcm,kona-wdt.txt       | 15 -------
 .../bindings/watchdog/brcm,kona-wdt.yaml      | 45 +++++++++++++++++++
 2 files changed, 45 insertions(+), 15 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
 create mode 100644 Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
deleted file mode 100644
index 2b86a00e351d..000000000000
--- a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-Broadcom Kona Family Watchdog Timer
------------------------------------
-
-This watchdog timer is used in the following Broadcom SoCs:
-  BCM11130, BCM11140, BCM11351, BCM28145, BCM28155
-
-Required properties:
-  - compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
-  - reg: memory address & range
-
-Example:
-	watchdog@...02f40 {
-		compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt";
-		reg = <0x35002f40 0x6c>;
-	};
diff --git a/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml
new file mode 100644
index 000000000000..c7627c00556a
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/brcm,kona-wdt.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/brcm,kona-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Kona Family Watchdog Timer
+
+description: |
+  This watchdog timer is used in the following Broadcom SoCs:
+  BCM11130, BCM11140, BCM11351, BCM28145, BCM28155
+
+maintainers:
+  - Florian Fainelli <f.fainelli@...il.com>
+  - Ray Jui <rjui@...adcom.com>
+  - Scott Branden <sbranden@...adcom.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm11130-wdt
+      - brcm,bcm11140-wdt
+      - brcm,bcm11351-wdt
+      - brcm,bcm28145-wdt
+      - brcm,bcm28155-wdt
+      - brcm,kona-wdt
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@...02f40 {
+      compatible = "brcm,bcm11130-wdt";
+      reg = <0x35002f40 0x6c>;
+    };
-- 
2.34.1