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Thu, 27 Mar 2025 09:54:10 GMT Received: from [10.213.98.28] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 27 Mar 2025 02:54:05 -0700 From: Jagadeesh Kona Date: Thu, 27 Mar 2025 15:22:28 +0530 Subject: [PATCH v3 08/18] clk: qcom: videocc-sm8550: Move PLL & clk configuration to really probe Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250327-videocc-pll-multi-pd-voting-v3-8-895fafd62627@quicinc.com> References: <20250327-videocc-pll-multi-pd-voting-v3-0-895fafd62627@quicinc.com> In-Reply-To: <20250327-videocc-pll-multi-pd-voting-v3-0-895fafd62627@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , "Vladimir Zapolskiy" , Dmitry Baryshkov CC: Ajit Pandey , Imran Shaik , Taniya Das , "Satya Priya Kakitapalli" , , , , , Krzysztof Kozlowski , Jagadeesh Kona , Bryan O'Donoghue X-Mailer: b4 0.14.2 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: mMgNrtBZlftSiU_4vlRuI7swhteI4WZ2 X-Authority-Analysis: v=2.4 cv=MqlS63ae c=1 sm=1 tr=0 ts=67e52043 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=Vs1iUdzkB0EA:10 a=COk6AnOGAAAA:8 a=NSTayzwvANHeSgS_AzkA:9 a=QEXdDO2ut3YA:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: mMgNrtBZlftSiU_4vlRuI7swhteI4WZ2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-26_09,2025-03-26_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 mlxlogscore=999 mlxscore=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2503270066 Video PLLs on SM8550/SM8650 require both MMCX and MXC rails to be kept ON to configure the PLLs properly. Hence move runtime power management, PLL configuration and enable critical clocks to qcom_cc_really_probe() which ensures all required power domains are in enabled state before configuring the PLLs or enabling the clocks. Signed-off-by: Jagadeesh Kona Reviewed-by: Dmitry Baryshkov --- drivers/clk/qcom/videocc-sm8550.c | 55 ++++++++++++++++----------------------- 1 file changed, 22 insertions(+), 33 deletions(-) diff --git a/drivers/clk/qcom/videocc-sm8550.c b/drivers/clk/qcom/videocc-sm8550.c index fcfe0cade6d0a95e749aabbc2af1174e5a70f0db..9c34ecc8ca5a042104956c48fd577b18929e6023 100644 --- a/drivers/clk/qcom/videocc-sm8550.c +++ b/drivers/clk/qcom/videocc-sm8550.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include @@ -51,6 +50,7 @@ static struct alpha_pll_config video_cc_pll0_config = { static struct clk_alpha_pll video_cc_pll0 = { .offset = 0x0, + .config = &video_cc_pll0_config, .vco_table = lucid_ole_vco, .num_vco = ARRAY_SIZE(lucid_ole_vco), .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE], @@ -82,6 +82,7 @@ static struct alpha_pll_config video_cc_pll1_config = { static struct clk_alpha_pll video_cc_pll1 = { .offset = 0x1000, + .config = &video_cc_pll1_config, .vco_table = lucid_ole_vco, .num_vco = ARRAY_SIZE(lucid_ole_vco), .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE], @@ -511,6 +512,17 @@ static const struct qcom_reset_map video_cc_sm8550_resets[] = { [VIDEO_CC_XO_CLK_ARES] = { .reg = 0x8124, .bit = 2, .udelay = 100 }, }; +static struct clk_alpha_pll *video_cc_sm8550_plls[] = { + &video_cc_pll0, + &video_cc_pll1, +}; + +static u32 video_cc_sm8550_critical_cbcrs[] = { + 0x80f4, /* VIDEO_CC_AHB_CLK */ + 0x8124, /* VIDEO_CC_XO_CLK */ + 0x8140, /* VIDEO_CC_SLEEP_CLK */ +}; + static const struct regmap_config video_cc_sm8550_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -527,6 +539,11 @@ static const struct qcom_cc_desc video_cc_sm8550_desc = { .num_resets = ARRAY_SIZE(video_cc_sm8550_resets), .gdscs = video_cc_sm8550_gdscs, .num_gdscs = ARRAY_SIZE(video_cc_sm8550_gdscs), + .alpha_plls = video_cc_sm8550_plls, + .num_alpha_plls = ARRAY_SIZE(video_cc_sm8550_plls), + .clk_cbcrs = video_cc_sm8550_critical_cbcrs, + .num_clk_cbcrs = ARRAY_SIZE(video_cc_sm8550_critical_cbcrs), + .use_rpm = true, }; static const struct of_device_id video_cc_sm8550_match_table[] = { @@ -538,26 +555,7 @@ MODULE_DEVICE_TABLE(of, video_cc_sm8550_match_table); static int video_cc_sm8550_probe(struct platform_device *pdev) { - struct regmap *regmap; - int ret; - u32 sleep_clk_offset = 0x8140; - - ret = devm_pm_runtime_enable(&pdev->dev); - if (ret) - return ret; - - ret = pm_runtime_resume_and_get(&pdev->dev); - if (ret) - return ret; - - regmap = qcom_cc_map(pdev, &video_cc_sm8550_desc); - if (IS_ERR(regmap)) { - pm_runtime_put(&pdev->dev); - return PTR_ERR(regmap); - } - if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8650-videocc")) { - sleep_clk_offset = 0x8150; video_cc_pll0_config.l = 0x1e; video_cc_pll0_config.alpha = 0xa000; video_cc_pll1_config.l = 0x2b; @@ -569,21 +567,12 @@ static int video_cc_sm8550_probe(struct platform_device *pdev) 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, sleep_clk_offset); /* VIDEO_CC_SLEEP_CLK */ - qcom_branch_set_clk_en(regmap, 0x8124); /* VIDEO_CC_XO_CLK */ - ret = qcom_cc_really_probe(&pdev->dev, &video_cc_sm8550_desc, regmap); - - pm_runtime_put(&pdev->dev); + /* Sleep clock offset changed to 0x8150 on SM8650 */ + video_cc_sm8550_critical_cbcrs[2] = 0x8150; + } - return ret; + return qcom_cc_probe(pdev, &video_cc_sm8550_desc); } static struct platform_driver video_cc_sm8550_driver = {