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Date:   Tue, 13 Aug 2019 09:51:43 -0600
From:   Rob Herring <robh@kernel.org>
To:     Chuanhong Guo <gch981213@gmail.com>
Cc:     "open list:COMMON CLK FRAMEWORK" <linux-clk@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        "open list:MIPS" <linux-mips@vger.kernel.org>,
        "open list:STAGING SUBSYSTEM" <devel@driverdev.osuosl.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <paul.burton@mips.com>,
        James Hogan <jhogan@kernel.org>,
        John Crispin <john@phrozen.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Weijie Gao <hackpascal@gmail.com>, NeilBrown <neil@brown.name>
Subject: Re: [PATCH v2 4/6] dt: bindings: add mt7621-pll dt binding
 documentation
Message-ID: <20190813155143.GA19830@bogus>
References: <20190724022310.28010-1-gch981213@gmail.com>
 <20190724022310.28010-5-gch981213@gmail.com>
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On Wed, Jul 24, 2019 at 10:23:08AM +0800, Chuanhong Guo wrote:
> This commit adds device tree binding documentation for MT7621
> PLL controller.
> 
> Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
> ---
> 
> Change since v1:
> drop useless syscon in compatible string
> 
>  .../bindings/clock/mediatek,mt7621-pll.txt     | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt7621-pll.txt
> 
> diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt7621-pll.txt b/Documentation/devicetree/bindings/clock/mediatek,mt7621-pll.txt
> new file mode 100644
> index 000000000000..7dcfbd5283e3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/mediatek,mt7621-pll.txt
> @@ -0,0 +1,18 @@
> +Binding for Mediatek MT7621 PLL controller
> +
> +The PLL controller provides the 2 main clocks of the SoC: CPU and BUS.
> +
> +Required Properties:
> +- compatible: has to be "mediatek,mt7621-pll"
> +- #clock-cells: has to be one
> +
> +Optional properties:
> +- clock-output-names: should be "cpu", "bus"
> +
> +Example:
> +	pll {
> +		compatible = "mediatek,mt7621-pll";

You didn't answer Stephen's question on v1.

Based on this binding, there is no way to control/program the PLL. Is 
this part of some IP block?

> +
> +		#clock-cells = <1>;
> +		clock-output-names = "cpu", "bus";
> +	};
> -- 
> 2.21.0
>