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author | Krzysztof Kozlowski <krzk@kernel.org> | 2019-09-20 18:21:22 +0200 |
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committer | Rob Herring <robh@kernel.org> | 2019-10-04 11:22:59 -0500 |
commit | 79df4a9b547ffa7de73d8fc29a7b2c2e372cccb7 (patch) | |
tree | 229d8f4d58b79ce9ea714d494e553bfc6eb355e3 /Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml | |
parent | dt-bindings: pwm: renesas: tpu: convert bindings to json-schema (diff) | |
download | linux-dev-79df4a9b547ffa7de73d8fc29a7b2c2e372cccb7.tar.xz linux-dev-79df4a9b547ffa7de73d8fc29a7b2c2e372cccb7.zip |
dt-bindings: watchdog: Convert Samsung SoC watchdog bindings to json-schema
Convert Samsung S3C/S5P/Exynos watchdog bindings to DT schema format
using json-schema.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml new file mode 100644 index 000000000000..5a3a3cec8e20 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml @@ -0,0 +1,65 @@ +# 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). + +required: + - compatible + - interrupts + - reg + +allOf: + - $ref: watchdog.yaml# + - 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>; + }; |