linux-kernel - Re: [PATCH 4/8] dt-bindings: devfreq: add compatible for mt8183 cci devfreq

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Message-ID: <20190520044317.pwciu4bjuz5jh7f7@vireshk-i7>
Date:   Mon, 20 May 2019 10:13:17 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Andrew-sh.Cheng" <andrew-sh.cheng@...iatek.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        srv_heupstream@...iatek.com, fan.chen@...iatek.com
Subject: Re: [PATCH 4/8] dt-bindings: devfreq: add compatible for mt8183 cci
 devfreq

On 16-05-19, 17:08, Andrew-sh.Cheng wrote:
> From: "Andrew-sh.Cheng" <andrew-sh.cheng@...iatek.com>
> 
> This adds dt-binding documentation of cci devfreq
> for Mediatek MT8183 SoC platform.
> 
> Signed-off-by: Andrew-sh.Cheng <andrew-sh.cheng@...iatek.com>
> ---
>  .../bindings/devfreq/mt8183-cci-devfreq.txt          | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt
> 
> diff --git a/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt b/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt
> new file mode 100644
> index 000000000000..3189902902e0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt
> @@ -0,0 +1,20 @@
> +* Mediatek Cache Coherent Interconnect(CCI) frequency device
> +
> +Required properties:
> +- compatible: should contain "mediatek,mt8183-cci" for frequency scaling of CCI

Example doesn't have this compatible .

> +- clocks: for frequency scaling of CCI
> +- clock-names: for frequency scaling of CCI driver to reference
> +- regulator: for voltage scaling of CCI
> +- operating-points-v2: for frequency scaling of CCI opp table
> +
> +Example:
> +	cci: cci {
> +		compatible = "mediatek,cci";
> +		clocks = <&apmixedsys CLK_APMIXED_CCIPLL>;
> +		clock-names = "cci_clock";
> +		operating-points-v2 = <&cci_opp>;
> +	};
> +
> +	&cci {
> +		proc-supply = <&mt6358_vproc12_reg>;
> +	};
> \ No newline at end of file
> -- 
> 2.12.5

-- 
viresh