linux-kernel - Re: [PATCH 25/28] dt-bindings: rtc: Convert sa1100-rtc to json-schema

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Date:   Fri, 27 Mar 2020 13:49:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Brown <broonie@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-media@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 25/28] dt-bindings: rtc: Convert sa1100-rtc to json-schema

On Tue, Mar 17, 2020 at 10:39:19AM +0100, Lubomir Rintel wrote:
> Convert the sa1100-rtc binding to DT schema format using json-schema.
> 
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>
> ---
>  .../devicetree/bindings/rtc/sa1100-rtc.txt    | 17 ------
>  .../devicetree/bindings/rtc/sa1100-rtc.yaml   | 55 +++++++++++++++++++
>  2 files changed, 55 insertions(+), 17 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/rtc/sa1100-rtc.txt
>  create mode 100644 Documentation/devicetree/bindings/rtc/sa1100-rtc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/rtc/sa1100-rtc.txt b/Documentation/devicetree/bindings/rtc/sa1100-rtc.txt
> deleted file mode 100644
> index 968ac820254bb..0000000000000
> --- a/Documentation/devicetree/bindings/rtc/sa1100-rtc.txt
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -* Marvell Real Time Clock controller
> -
> -Required properties:
> -- compatible: should be "mrvl,sa1100-rtc"
> -- reg: physical base address of the controller and length of memory mapped
> -  region.
> -- interrupts: Should be two. The first interrupt number is the rtc alarm
> -  interrupt and the second interrupt number is the rtc hz interrupt.
> -- interrupt-names: Assign name of irq resource.
> -
> -Example:
> -	rtc: rtc@...10000 {
> -		compatible = "mrvl,mmp-rtc";
> -		reg = <0xd4010000 0x1000>;
> -		interrupts = <5>, <6>;
> -		interrupt-names = "rtc 1Hz", "rtc alarm";
> -	};
> diff --git a/Documentation/devicetree/bindings/rtc/sa1100-rtc.yaml b/Documentation/devicetree/bindings/rtc/sa1100-rtc.yaml
> new file mode 100644
> index 0000000000000..53a8b72df9f34
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/sa1100-rtc.yaml
> @@ -0,0 +1,55 @@

License

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/sa1100-rtc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell Real Time Clock controller bindings
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +maintainers:
> +  - devicetree@...r.kernel.org

Real person

> +
> +properties:
> +  compatible:
> +    enum:
> +      - mrvl,sa1100-rtc
> +      - mrvl,mmp-rtc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1

clocks and resets weren't documented before. Fine to add here, but add 
that to the commit msg.

> +
> +  interrupts:
> +    minItems: 2
> +    maxItems: 2

Drop minItems.

> +
> +  interrupt-names:
> +    items:
> +      - const: 'rtc 1Hz'
> +      - const: 'rtc alarm'
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    rtc: rtc@...10000 {
> +        compatible = "mrvl,mmp-rtc";
> +        reg = <0xd4010000 0x1000>;
> +        interrupts = <5>, <6>;
> +        interrupt-names = "rtc 1Hz", "rtc alarm";
> +    };
> +
> +...
> -- 
> 2.25.1
>