Convert Samsung S3C/S5P/Exynos watchdog bindings to DT schema format using json-schema.
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org
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Changes since v1: 1. Indent example with four spaces (more readable), 2. Remove unneeded timeout-sec description. --- .../bindings/watchdog/samsung-wdt.txt | 35 ---------- .../bindings/watchdog/samsung-wdt.yaml | 67 +++++++++++++++++++ 2 files changed, 67 insertions(+), 35 deletions(-) delete mode 100644 Documentation/devicetree/bindings/watchdog/samsung-wdt.txt create mode 100644 Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt deleted file mode 100644 index 46dcb48e75b4..000000000000 --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt +++ /dev/null @@ -1,35 +0,0 @@ -* Samsung's Watchdog Timer Controller - -The Samsung's Watchdog controller is used for resuming system operation -after a preset amount of time during which the WDT reset event has not -occurred. - -Required properties: -- compatible : should be one among the following - - "samsung,s3c2410-wdt" for S3C2410 - - "samsung,s3c6410-wdt" for S3C6410, S5PV210 and Exynos4 - - "samsung,exynos5250-wdt" for Exynos5250 - - "samsung,exynos5420-wdt" for Exynos5420 - - "samsung,exynos7-wdt" for Exynos7 - -- reg : base physical address of the controller and length of memory mapped - region. -- interrupts : interrupt number to the cpu. -- samsung,syscon-phandle : reference to syscon node (This property required only - in case of compatible being "samsung,exynos5250-wdt" or "samsung,exynos5420-wdt". - In case of Exynos5250 and 5420 this property points to syscon node holding the PMU - base address) - -Optional properties: -- timeout-sec : contains the watchdog timeout in seconds. - -Example: - -watchdog@101d0000 { - compatible = "samsung,exynos5250-wdt"; - reg = <0x101D0000 0x100>; - interrupts = <0 42 0>; - clocks = <&clock 336>; - clock-names = "watchdog"; - samsung,syscon-phandle = <&pmu_syscon>; -}; diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml new file mode 100644 index 000000000000..3ea3c9fe8390 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/samsung-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC Watchdog Timer Controller + +maintainers: + - Krzysztof Kozlowski krzk@kernel.org + +description: |+ + The Samsung's Watchdog controller is used for resuming system operation + after a preset amount of time during which the WDT reset event has not + occurred. + +properties: + compatible: + enum: + - samsung,s3c2410-wdt # for S3C2410 + - samsung,s3c6410-wdt # for S3C6410, S5PV210 and Exynos4 + - samsung,exynos5250-wdt # for Exynos5250 + - samsung,exynos5420-wdt # for Exynos5420 + - samsung,exynos7-wdt # for Exynos7 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + samsung,syscon-phandle: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the PMU system controller node (in case of Exynos5250 + and Exynos5420). + + timeout-sec: + $ref: /schemas/types.yaml#/definitions/uint32 + +required: + - compatible + - interrupts + - reg + +allOf: + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos5250-wdt + - samsung,exynos5420-wdt + then: + required: + - samsung,syscon-phandle + +examples: + - | + watchdog@101d0000 { + compatible = "samsung,exynos5250-wdt"; + reg = <0x101D0000 0x100>; + interrupts = <0 42 0>; + clocks = <&clock 336>; + clock-names = "watchdog"; + samsung,syscon-phandle = <&pmu_syscon>; + };