linux-kernel - Re: [PATCH v4 2/3] dt-bindings: clock: add TI CDCE6214 binding

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Message-ID: <20250501-stirring-groovy-ringtail-47efe1@kuoka>
Date: Thu, 1 May 2025 13:54:40 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-clk@...r.kernel.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, kernel@...gutronix.de, 
	Alvin Šipraga <alsi@...g-olufsen.dk>
Subject: Re: [PATCH v4 2/3] dt-bindings: clock: add TI CDCE6214 binding

On Wed, Apr 30, 2025 at 11:01:35AM GMT, Sascha Hauer wrote:
> The CDCE6214 is a Ultra-Low Power Clock Generator With One PLL, Four
> Differential Outputs, Two Inputs, and Internal EEPROM. This patch adds
> the device tree binding for this chip.

BTW, a nit:

"Add device tree binding for the CDCE6214, an Ultra ......"

so you won't use "This patch" and make everyting one simple sentence.

> 
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
> ---
>  .../devicetree/bindings/clock/ti,cdce6214.yaml     | 155 +++++++++++++++++++++
>  include/dt-bindings/clock/ti,cdce6214.h            |  25 ++++
>  2 files changed, 180 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml b/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml
> new file mode 100644
> index 0000000000000..d4a3a3df9ceb9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti,cdce6214.yaml
> @@ -0,0 +1,155 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ti,cdce6214.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI CDCE6214 programmable clock generator with PLL
> +
> +maintainers:
> +  - Sascha Hauer <s.hauer@...gutronix.de>
> +
> +description: >
> +  Ultra-Low Power Clock Generator With One PLL, Four Differential Outputs,
> +  Two Inputs, and Internal EEPROM
> +
> +  https://www.ti.com/product/CDCE6214
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,cdce6214
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 1
> +    maxItems: 2
> +
> +  clock-names:
> +    minItems: 1
> +    maxItems: 1

No improvements, this should be 2.


> +    items:
> +      enum: [ priref, secref ]

This can be simpler - and you need to keep the order:


  minItems: 1
  items:
    - enum: [ priref, secref ]
    - const: secref

    Best regards,
    Krzysztof