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Message-ID: <20240731062916.2680823-6-quic_skakitap@quicinc.com>
Date: Wed, 31 Jul 2024 11:59:13 +0530
From: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio
<konrad.dybcio@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Abhishek Sahu <absahu@...eaurora.org>,
"Rob
Herring" <robh@...nel.org>,
Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
CC: Stephen Boyd <sboyd@...eaurora.org>, <linux-arm-msm@...r.kernel.org>,
<linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, Ajit Pandey <quic_ajipan@...cinc.com>,
"Imran
Shaik" <quic_imrashai@...cinc.com>,
Taniya Das <quic_tdas@...cinc.com>,
Jagadeesh Kona <quic_jkona@...cinc.com>, <stable@...r.kernel.org>,
"Krzysztof
Kozlowski" <krzysztof.kozlowski@...aro.org>,
Bryan O'Donoghue
<bryan.odonoghue@...aro.org>,
Satya Priya Kakitapalli
<quic_skakitap@...cinc.com>
Subject: [PATCH V3 5/8] clk: qcom: clk-alpha-pll: Add support for Regera PLL ops
From: Taniya Das <quic_tdas@...cinc.com>
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@...cinc.com>
Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
---
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 ad9a84d521fc..2f620ccb41cb 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 <linux/kernel.h>
@@ -2676,3 +2676,33 @@ 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 df8f0fe15531..40e938b59c3e 100644
--- a/drivers/clk/qcom/clk-alpha-pll.h
+++ b/drivers/clk/qcom/clk-alpha-pll.h
@@ -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
--
2.25.1
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