linux-kernel - Re: [PATCH V2 RESEND 3/6] clk: qcom: videocc-sm8550: Add SM8650 video clock controller

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Message-ID: <37942292-fb99-4d3b-9933-50d338e87661@quicinc.com>
Date: Thu, 21 Mar 2024 17:03:45 +0530
From: Jagadeesh Kona <quic_jkona@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Taniya Das
	<quic_tdas@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>
Subject: Re: [PATCH V2 RESEND 3/6] clk: qcom: videocc-sm8550: Add SM8650 video
 clock controller



On 3/21/2024 3:33 PM, Dmitry Baryshkov wrote:
> On Thu, 21 Mar 2024 at 11:27, Jagadeesh Kona <quic_jkona@...cinc.com> wrote:
>>
>> Add support to the SM8650 video clock controller by extending
>> the SM8550 video clock controller, which is mostly identical
>> but SM8650 has few additional clocks and minor differences.
>>
>> Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> 
> 
> 
>> @@ -411,6 +540,7 @@ static int video_cc_sm8550_probe(struct platform_device *pdev)
>>   {
>>          struct regmap *regmap;
>>          int ret;
>> +       u32 offset = 0x8140;
> 
> Nit: this variable seems misnamed. Please rename to something like
> sleep_clk_offset;
> 

Thanks Dmitry for your review.

Yes, will rename this in the next series.

Thanks,
Jagadeesh

>>
>>          ret = devm_pm_runtime_enable(&pdev->dev);
>>          if (ret)
>> @@ -426,12 +556,27 @@ static int video_cc_sm8550_probe(struct platform_device *pdev)
>>                  return PTR_ERR(regmap);
>>          }
>>
>> +       if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8650-videocc")) {
>> +               offset = 0x8150;
>> +               video_cc_pll0_config.l = 0x1e;
>> +               video_cc_pll0_config.alpha = 0xa000;
>> +               video_cc_pll1_config.l = 0x2b;
>> +               video_cc_pll1_config.alpha = 0xc000;
>> +               video_cc_mvs0_clk_src.freq_tbl = ftbl_video_cc_mvs0_clk_src_sm8650;
>> +               video_cc_mvs1_clk_src.freq_tbl = ftbl_video_cc_mvs1_clk_src_sm8650;
>> +               video_cc_sm8550_clocks[VIDEO_CC_MVS0_SHIFT_CLK] = &video_cc_mvs0_shift_clk.clkr;
>> +               video_cc_sm8550_clocks[VIDEO_CC_MVS0C_SHIFT_CLK] = &video_cc_mvs0c_shift_clk.clkr;
>> +               video_cc_sm8550_clocks[VIDEO_CC_MVS1_SHIFT_CLK] = &video_cc_mvs1_shift_clk.clkr;
>> +               video_cc_sm8550_clocks[VIDEO_CC_MVS1C_SHIFT_CLK] = &video_cc_mvs1c_shift_clk.clkr;
>> +               video_cc_sm8550_clocks[VIDEO_CC_XO_CLK_SRC] = &video_cc_xo_clk_src.clkr;
>> +       }
>> +
>>          clk_lucid_ole_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config);
>>          clk_lucid_ole_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config);
>>
>>          /* Keep some clocks always-on */
>>          qcom_branch_set_clk_en(regmap, 0x80f4); /* VIDEO_CC_AHB_CLK */
>> -       qcom_branch_set_clk_en(regmap, 0x8140); /* VIDEO_CC_SLEEP_CLK */
>> +       qcom_branch_set_clk_en(regmap, offset); /* VIDEO_CC_SLEEP_CLK */
>>          qcom_branch_set_clk_en(regmap, 0x8124); /* VIDEO_CC_XO_CLK */
>>
>>          ret = qcom_cc_really_probe(pdev, &video_cc_sm8550_desc, regmap);
>> --
>> 2.43.0
>>
>>
> 
>