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clk: qcom: clk-alpha-pll: Add support for Regera PLL ops

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Regera PLL ops are required to control the Regera PLL from clock
controller drivers, hence add the Regera PLL ops and configure
function.

Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240731062916.2680823-6-quic_skakitap@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Taniya Das
2024-07-31 11:59:13 +05:30
committed by Bjorn Andersson
parent a689c2961f
commit 0c31f6a3ab
2 changed files with 36 additions and 1 deletions
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32
drivers/clk/qcom/clk-alpha-pll.c
View File

@@ -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 <linux/kernel.h>
@@ -2657,3 +2657,33 @@ 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);

5
drivers/clk/qcom/clk-alpha-pll.h
View File

@@ -23,6 +23,7 @@ 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,
@@ -193,6 +194,8 @@ 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_huayra_2290_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
@@ -216,5 +219,7 @@ 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