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Thu, 9 Jan 2025 08:59:41 GMT Received: from hu-imrashai-hyd.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 9 Jan 2025 00:59:37 -0800 From: Imran Shaik Date: Thu, 9 Jan 2025 14:27:45 +0530 Subject: [PATCH v4 2/6] clk: qcom: Add support for GPU Clock Controller on QCS8300 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250109-qcs8300-mm-patches-new-v4-2-63e8ac268b02@quicinc.com> References: <20250109-qcs8300-mm-patches-new-v4-0-63e8ac268b02@quicinc.com> In-Reply-To: <20250109-qcs8300-mm-patches-new-v4-0-63e8ac268b02@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Ajit Pandey , Taniya Das , Jagadeesh Kona , Satya Priya Kakitapalli , , , , , Imran Shaik , Dmitry Baryshkov X-Mailer: b4 0.14.1 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: MW4ivtT0gpTx8qhJETRzsq5RBM3oTE51 X-Proofpoint-GUID: MW4ivtT0gpTx8qhJETRzsq5RBM3oTE51 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501090073 The QCS8300 GPU clock controller is a derivative of SA8775P, but has few additional clocks and minor differences. Hence, add support for QCS8300 GPU clock controller, by extending the SA8775P GPUCC. Reviewed-by: Dmitry Baryshkov Signed-off-by: Imran Shaik --- drivers/clk/qcom/gpucc-sa8775p.c | 49 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gpucc-sa8775p.c b/drivers/clk/qcom/gpucc-sa8775p.c index f8a8ac343d70..78cad622cb5a 100644 --- a/drivers/clk/qcom/gpucc-sa8775p.c +++ b/drivers/clk/qcom/gpucc-sa8775p.c @@ -12,7 +12,7 @@ #include #include -#include +#include #include "clk-alpha-pll.h" #include "clk-branch.h" @@ -317,6 +317,24 @@ static struct clk_branch gpu_cc_crc_ahb_clk = { }, }; +static struct clk_branch gpu_cc_cx_accu_shift_clk = { + .halt_reg = 0x95e8, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x95e8, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data){ + .name = "gpu_cc_cx_accu_shift_clk", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_xo_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + static struct clk_branch gpu_cc_cx_ff_clk = { .halt_reg = 0x914c, .halt_check = BRANCH_HALT, @@ -420,6 +438,24 @@ static struct clk_branch gpu_cc_demet_clk = { }, }; +static struct clk_branch gpu_cc_gx_accu_shift_clk = { + .halt_reg = 0x95e4, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x95e4, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data){ + .name = "gpu_cc_gx_accu_shift_clk", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_xo_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = { .halt_reg = 0x7000, .halt_check = BRANCH_HALT_VOTED, @@ -499,6 +535,7 @@ static struct clk_regmap *gpu_cc_sa8775p_clocks[] = { [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr, [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr, + [GPU_CC_CX_ACCU_SHIFT_CLK] = NULL, [GPU_CC_CX_FF_CLK] = &gpu_cc_cx_ff_clk.clkr, [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr, [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr, @@ -508,6 +545,7 @@ static struct clk_regmap *gpu_cc_sa8775p_clocks[] = { [GPU_CC_DEMET_DIV_CLK_SRC] = &gpu_cc_demet_div_clk_src.clkr, [GPU_CC_FF_CLK_SRC] = &gpu_cc_ff_clk_src.clkr, [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, + [GPU_CC_GX_ACCU_SHIFT_CLK] = NULL, [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr, [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr, [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr, @@ -583,6 +621,7 @@ static const struct qcom_cc_desc gpu_cc_sa8775p_desc = { }; static const struct of_device_id gpu_cc_sa8775p_match_table[] = { + { .compatible = "qcom,qcs8300-gpucc" }, { .compatible = "qcom,sa8775p-gpucc" }, { } }; @@ -596,6 +635,14 @@ static int gpu_cc_sa8775p_probe(struct platform_device *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); + if (of_device_is_compatible(pdev->dev.of_node, "qcom,qcs8300-gpucc")) { + gpu_cc_pll0_config.l = 0x31; + gpu_cc_pll0_config.alpha = 0xe555; + + gpu_cc_sa8775p_clocks[GPU_CC_CX_ACCU_SHIFT_CLK] = &gpu_cc_cx_accu_shift_clk.clkr; + gpu_cc_sa8775p_clocks[GPU_CC_GX_ACCU_SHIFT_CLK] = &gpu_cc_gx_accu_shift_clk.clkr; + } + clk_lucid_evo_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config); clk_lucid_evo_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);