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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Elaine Zhang <zhangqing@rock-chips.com>
Cc: mturquette@baylibre.com, sboyd@kernel.org,
	sugar.zhang@rock-chips.com,  heiko@sntech.de, robh@kernel.org,
	krzysztof.kozlowski+dt@linaro.org,  conor+dt@kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	 linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-kernel@vger.kernel.org,  huangtao@rock-chips.com,
	finley.xiao@rock-chips.com
Subject: Re: [PATCH v5 4/7] dt-bindings: clock: Add support for rockchip pvtpll
Date: Tue, 28 Oct 2025 08:52:07 +0100	[thread overview]
Message-ID: <20251028-hasty-amusing-guan-e57f62@kuoka> (raw)
In-Reply-To: <20251027084147.4148739-5-zhangqing@rock-chips.com>

On Mon, Oct 27, 2025 at 04:41:44PM +0800, Elaine Zhang wrote:
> +  reg:
> +    maxItems: 1
> +
> +  "#clock-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-output-names:
> +    maxItems: 1
> +
> +  rockchip,cru:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: |
> +      Phandle to the main Clock and Reset Unit (CRU) controller.
> +      Required for PVTPLLs that need to interact with the main CRU
> +      for clock management operations.
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#clock-cells"

Missing clocks.

> +  - clock-output-names

Missing rockchip,cru

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pvtpll@20480000 {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
If you cannot find a name matching your device, please check in kernel
sources for similar cases or you can grow the spec (via pull request to
DT spec repo).

> +      compatible = "rockchip,rv1126b-core-pvtpll";
> +      reg = <0x20480000 0x100>;
> +      #clock-cells = <0>;
> +      clock-output-names = "clk_core_pvtpll";

Incomplete example - missing clock.

> +    };
> +
> +  - |
> +    pvtpll@21c60000 {

Drop all other examples, no need to repeat the same.

They weren't even here before!

Best regards,
Krzysztof


  reply	other threads:[~2025-10-28  7:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-27  8:41 [PATCH v5 0/7] clk: rockchip: Add clock controller for the Elaine Zhang
2025-10-27  8:41 ` [PATCH v5 1/7] clk: rockchip: Implement rockchip_clk_register_armclk_multi_pll() Elaine Zhang
2025-10-27  8:41 ` [PATCH v5 2/7] dt-bindings: clock, reset: Add support for rv1126b Elaine Zhang
2025-10-27  8:41 ` [PATCH v5 3/7] clk: rockchip: Add clock controller for the RV1126B Elaine Zhang
2025-10-27  8:41 ` [PATCH v5 4/7] dt-bindings: clock: Add support for rockchip pvtpll Elaine Zhang
2025-10-28  7:52   ` Krzysztof Kozlowski [this message]
2025-10-27  8:41 ` [PATCH v5 5/7] clk: rockchip: add support for pvtpll clk Elaine Zhang
2025-10-27  8:41 ` [PATCH v5 6/7] dt-bindings: clock: rockchip: Add RK3506 clock and reset unit Elaine Zhang
2025-10-27 16:47   ` Conor Dooley
     [not found]     ` <6ff7370e-0e57-487d-a6d9-05958ab21e98@rock-chips.com>
2025-11-04 17:24       ` Conor Dooley
2025-10-30 13:55   ` Jonas Karlman
2025-11-07  1:24     ` zhangqing
2025-11-07  1:44     ` zhangqing
2025-10-27  8:41 ` [PATCH v5 7/7] clk: rockchip: Add clock and reset driver for RK3506 Elaine Zhang

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