linux-kernel - Re: [PATCH 1/2] dt-bindings: convert rtc/faraday,ftrtc01 to yaml

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Message-ID: <20210506174539.GA536770@robh.at.kernel.org>
Date:   Thu, 6 May 2021 12:45:39 -0500
From:   Rob Herring <robh@...nel.org>
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     alexandre.belloni@...tlin.com, a.zummo@...ertech.it,
        linus.walleij@...aro.org, ulli.kroll@...glemail.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-rtc@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: convert rtc/faraday,ftrtc01 to yaml

On Mon, May 03, 2021 at 07:50:47PM +0000, Corentin Labbe wrote:
> Converts rtc/faraday,ftrtc01.txt to yaml.
> This permits to detect some missing properties: reg, resets, interrupts
> 
> Signed-off-by: Corentin Labbe <clabbe@...libre.com>
> ---
>  .../bindings/rtc/faraday,ftrtc010.txt         | 28 ---------
>  .../bindings/rtc/faraday,ftrtc010.yaml        | 59 +++++++++++++++++++
>  2 files changed, 59 insertions(+), 28 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
>  create mode 100644 Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml


> diff --git a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml
> new file mode 100644
> index 000000000000..6b318650e79f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/faraday,ftrtc010.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Faraday Technology FTRTC010 Real Time Clock
> +
> +maintainers:
> +  - Linus Walleij <linus.walleij@...aro.org>
> +
> +description: |
> +  This RTC appears in for example the Storlink Gemini family of SoCs.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: "faraday,ftrtc010"
> +      - items:
> +          - const: "cortina,gemini-rtc"
> +          - const: "faraday,ftrtc010"

Drop quotes.

> +
> +  resets:
> +    maxItems: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 2
> +    description: when present should contain clock references to the
> +                 PCLK and EXTCLK clocks. Faraday calls the later CLK1HZ and
> +                 says the clock should be 1 Hz, but implementers actually seem
> +                 to choose different clocks here, like Cortina who chose
> +                 32768 Hz (a typical low-power clock).

Normal formatting is 2 space indent.

Split to use 'items' like PCI.

> +
> +  clock-names:
> +    items:
> +      - const: "PCLK"
> +      - const: "EXTCLK"
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    rtc@...00000 {
> +      compatible = "cortina,gemini-rtc", "faraday,ftrtc010";
> +      reg = <0x45000000 0x100>;
> +      interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
> +      clocks = <&foo 0>, <&foo 1>;
> +      clock-names = "PCLK", "EXTCLK";
> +    };
> -- 
> 2.26.3
>