linux-kernel - Re: [PATCH 1/2] dt-bindings: clock: Add bindings for Renesas ProXO

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Date:   Thu, 15 Sep 2022 07:08:44 -0500
From:   Rob Herring <robh@...nel.org>
To:     Alex Helms <alexander.helms.jy@...esas.com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, sboyd@...nel.org,
        mturquette@...libre.com, geert+renesas@...der.be
Subject: Re: [PATCH 1/2] dt-bindings: clock: Add bindings for Renesas ProXO

On Wed, Sep 14, 2022 at 02:18:08PM -0700, Alex Helms wrote:
> Add dt bindings for the Renesas ProXO oscillator.
> 
> Signed-off-by: Alex Helms <alexander.helms.jy@...esas.com>
> ---
>  .../bindings/clock/renesas,proxo.yaml         | 50 +++++++++++++++++++
>  MAINTAINERS                                   |  5 ++
>  2 files changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/renesas,proxo.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/renesas,proxo.yaml b/Documentation/devicetree/bindings/clock/renesas,proxo.yaml
> new file mode 100644
> index 000000000..2ae131431
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/renesas,proxo.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/renesas,versaclock7.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas ProXO Oscillator Device Tree Bindings
> +
> +maintainers:
> +  - Alex Helms <alexander.helms.jy@...esas.com>
> +
> +description: |

Don't need '|' if no formatting to preserve.

> +  Renesas ProXO is a family of programmable ultra-low phase noise 
> +  quartz-based oscillators.

Are they all the same from a s/w standpoint. If not you need specific 
compatibles for the differences. 

> +
> +properties:
> +  '#clock-cells':
> +    const: 0
> +
> +  compatible:
> +    enum:
> +      - renesas,proxo-xp
> +
> +  reg:
> +    maxItems: 1
> +
> +  renesas,xtal:
> +    description: Internal crystal frequency, default is 50000000 (50MHz)
> +    $ref: /schemas/types.yaml#/definitions/uint32

Use 'clock-frequency'.

> +
> +required:
> +  - '#clock-cells'
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c@0 {

i2c {

> +      reg = <0x0 0x100>;

Drop

> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      proxo: proxo@55 {

clock-controller@55

> +        compatible = "renesas,proxo-xp";
> +        reg = <0x55>;
> +        #clock-cells = <0>;
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 350102355..d52a8a5d2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16080,6 +16080,11 @@ S:	Supported
>  F:	Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
>  F:	drivers/iio/adc/rzg2l_adc.c
>  
> +RENESAS PROXO CLOCK DRIVER
> +M:	Alex Helms <alexander.helms.jy@...esas.com>
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/clock/renesas,proxo.yaml
> +
>  RESET CONTROLLER FRAMEWORK
>  M:	Philipp Zabel <p.zabel@...gutronix.de>
>  S:	Maintained
> -- 
> 2.30.2
> 
>