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From: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: watchdog: Convert Samsung SoC watchdog bindings to json-schema
Date: Fri, 13 Sep 2019 15:36:15 +0100
Message-ID: <20190912170145.GA17889@bogus> (raw)
In-Reply-To: <20190907144541.16949-1-krzk@kernel.org>

On Sat, Sep 07, 2019 at 04:45:40PM +0200, Krzysztof Kozlowski wrote:
> Convert Samsung S3C/S5P/Exynos watchdog bindings to DT schema format
> using json-schema.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  .../bindings/watchdog/samsung-wdt.txt         | 35 ----------
>  .../bindings/watchdog/samsung-wdt.yaml        | 69 +++++++++++++++++++
>  2 files changed, 69 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.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
> new file mode 100644
> index 000000000000..39f1ca3bc4db
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
> @@ -0,0 +1,69 @@
> +# 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
> +    description:
> +      Watchdog timeout in seconds.

We need a common schema for this and the node name.

Also note that anything with a unit suffix already has a type 
definition, so we don't really need to define it again.

> +
> +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>;
> +    };
> -- 
> 2.17.1
> 


  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-07 14:45 Krzysztof Kozlowski
2019-09-07 14:45 ` [PATCH 2/2] dt-bindings: watchdog: Add missing clocks requirement in Samsung SoC watchdog Krzysztof Kozlowski
2019-09-13 14:36   ` Rob Herring
2019-09-13 14:36 ` Rob Herring [this message]
2019-09-18 11:26   ` [PATCH 1/2] dt-bindings: watchdog: Convert Samsung SoC watchdog bindings to json-schema Krzysztof Kozlowski
2019-09-20 15:46     ` Rob Herring
2019-09-20 15:52       ` Rob Herring
2019-09-20 16:15         ` Krzysztof Kozlowski
2019-09-20 16:00       ` Krzysztof Kozlowski

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