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Tue, 2 Jul 2024 15:51:09 GMT Received: from hu-skakitap-hyd.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 2 Jul 2024 08:51:04 -0700 From: Satya Priya Kakitapalli Date: Tue, 2 Jul 2024 21:20:41 +0530 Subject: [PATCH v2 3/6] clk: qcom: clk-alpha-pll: Add support for Regera PLL ops Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240702-camcc-support-sm8150-v2-3-4baf54ec7333@quicinc.com> References: <20240702-camcc-support-sm8150-v2-0-4baf54ec7333@quicinc.com> In-Reply-To: <20240702-camcc-support-sm8150-v2-0-4baf54ec7333@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Abhishek Sahu , "Rob Herring" , Krzysztof Kozlowski , Conor Dooley CC: Stephen Boyd , , , , , Ajit Pandey , "Imran Shaik" , Taniya Das , Jagadeesh Kona , Satya Priya Kakitapalli X-Mailer: b4 0.13.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: mcFB6NAfAH1BTmecK94fALeuouMlCNkj X-Proofpoint-GUID: mcFB6NAfAH1BTmecK94fALeuouMlCNkj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-02_11,2024-07-02_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 malwarescore=0 phishscore=0 impostorscore=0 mlxlogscore=851 bulkscore=0 spamscore=0 priorityscore=1501 suspectscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407020117 From: Taniya Das Regera PLL ops are required to control the Regera PLL from clock controller drivers, thus add support for the same. Signed-off-by: Taniya Das Signed-off-by: Satya Priya Kakitapalli --- drivers/clk/qcom/clk-alpha-pll.c | 32 +++++++++++++++++++++++++++++++- drivers/clk/qcom/clk-alpha-pll.h | 5 +++++ 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index d2bef078588f..afb7ab72c90d 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. - * Copyright (c) 2021, 2023, Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021, 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -2605,3 +2605,33 @@ const struct clk_ops clk_alpha_pll_stromer_plus_ops = { .set_rate = clk_alpha_pll_stromer_plus_set_rate, }; EXPORT_SYMBOL_GPL(clk_alpha_pll_stromer_plus_ops); + +void clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, + const struct alpha_pll_config *config) +{ + clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); + clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha); + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); + clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); + clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U1(pll), config->user_ctl_hi1_val); + clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); + clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U1(pll), config->test_ctl_hi1_val); + + /* Set operation mode to STANDBY */ + regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); +} +EXPORT_SYMBOL_GPL(clk_regera_pll_configure); + +const struct clk_ops clk_alpha_pll_regera_ops = { + .enable = clk_zonda_pll_enable, + .disable = clk_zonda_pll_disable, + .is_enabled = clk_alpha_pll_is_enabled, + .recalc_rate = clk_trion_pll_recalc_rate, + .round_rate = clk_alpha_pll_round_rate, + .set_rate = clk_zonda_pll_set_rate, +}; +EXPORT_SYMBOL_GPL(clk_alpha_pll_regera_ops); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index fb6d50263bb9..5bb0a07da53d 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -21,6 +21,7 @@ enum { CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION, CLK_ALPHA_PLL_TYPE_AGERA, CLK_ALPHA_PLL_TYPE_ZONDA, + CLK_ALPHA_PLL_TYPE_REGERA = CLK_ALPHA_PLL_TYPE_ZONDA, CLK_ALPHA_PLL_TYPE_ZONDA_OLE, CLK_ALPHA_PLL_TYPE_LUCID_EVO, CLK_ALPHA_PLL_TYPE_LUCID_OLE, @@ -189,6 +190,8 @@ extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops; extern const struct clk_ops clk_alpha_pll_rivian_evo_ops; #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops +extern const struct clk_ops clk_alpha_pll_regera_ops; + void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, @@ -210,5 +213,7 @@ void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regm const struct alpha_pll_config *config); void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); +void clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, + const struct alpha_pll_config *config); #endif