Re: [PATCH v3 2/4] dt-bindings: clock: Add DT bindings for PLL of Toshiba Visconti TMPV770x SoC

From: Rob Herring <robh@kernel.org>
To: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Cc: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
	punit1.agrawal@toshiba.co.jp, yuji2.ishikawa@toshiba.co.jp,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/4] dt-bindings: clock: Add DT bindings for PLL of Toshiba Visconti TMPV770x SoC
Date: Wed, 14 Jul 2021 13:23:39 -0600	[thread overview]
Message-ID: <20210714192339.GA3052504@robh.at.kernel.org> (raw)
In-Reply-To: <20210624034337.282386-3-nobuhiro1.iwamatsu@toshiba.co.jp>

On Thu, Jun 24, 2021 at 12:43:35PM +0900, Nobuhiro Iwamatsu wrote:
> Add device tree bindings for PLL of Toshiba Visconti TMPV770x SoC series.
> 
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
> ---
>  .../clock/toshiba,tmpv770x-pipllct.yaml       | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml
> new file mode 100644
> index 000000000000..e88c9e4c4982
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/toshiba,tmpv770x-pipllct.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Toshiba Visconti5 TMPV770X PLL Controller Device Tree Bindings
> +
> +maintainers:
> +  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
> +
> +description:
> +  Toshia Visconti5 PLL controller which supports the PLLs on TMPV770X.
> +
> +properties:
> +  compatible:
> +    const: toshiba,tmpv7708-pipllct
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  osc2-clk-frequency:
> +    description: Frequency of the OSC2 oscillator.

This is an external input? This should be a fixed-clock and this node 
needs 'clocks' to connect it.

> +
> +required:
> +  - compatible
> +  - reg
> +  - "#clock-cells"
> +  - osc2-clk-frequency
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        pipllct: pipllct@24220000 {

clock-controller@...

> +            compatible = "toshiba,tmpv7708-pipllct";
> +            reg = <0 0x24220000 0 0x820>;
> +            #clock-cells = <1>;
> +            osc2-clk-frequency = <20000000>;
> +        };
> +    };
> +...
> -- 
> 2.32.0
> 
> 