linux-kernel - Re: [PATCH 10/13] arm64: dts: qcom: qcs404: Add HFPLL node

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Message-ID: <154507555157.19322.2712807405425817338@swboyd.mtv.corp.google.com>
Date:   Mon, 17 Dec 2018 11:39:11 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     andy.gross@...aro.org, david.brown@...aro.org,
        jassisinghbrar@...il.com, jorge.ramirez-ortiz@...aro.org,
        mark.rutland@....com, mturquette@...libre.com, robh+dt@...nel.org,
        will.deacon@....com
Cc:     bjorn.andersson@...aro.org, vkoul@...nel.org,
        niklas.cassel@...aro.org, sibis@...eaurora.org,
        georgi.djakov@...aro.org, arnd@...db.de,
        horms+renesas@...ge.net.au, heiko@...ech.de,
        enric.balletbo@...labora.com, jagan@...rulasolutions.com,
        olof@...om.net, amit.kucheria@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 10/13] arm64: dts: qcom: qcs404: Add HFPLL node

Quoting Jorge Ramirez-Ortiz (2018-12-17 01:46:27)
> The high frequency pll functionality is required to enable CPU
> frequency scaling operation.
> 
> Co-developed-by: Niklas Cassel <niklas.cassel@...aro.org>
> Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/qcs404.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> index 4594fea7..ec3f6c7 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> @@ -375,6 +375,15 @@
>                         #mbox-cells = <1>;
>                 };
>  
> +               apcs_hfpll: clock-controller@...16000 {

Drop leading 0 on unit address please.

> +                       compatible = "qcom,hfpll";
> +                       reg = <0x0b016000 0x30>;

Wow that is small!

> +                       #clock-cells = <0>;
> +                       clock-output-names = "apcs_hfpll";
> +                       clocks = <&xo_board>;
> +                       clock-names = "xo";
> +               };
> +