linux-kernel - [PATCH 1/4] clk: qcom: clk-alpha-pll: Add support for lucid ole pll ops

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Message-ID: <20230509161218.11979-2-quic_jkona@quicinc.com>
Date:   Tue, 9 May 2023 21:42:15 +0530
From:   Jagadeesh Kona <quic_jkona@...cinc.com>
To:     Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Conor Dooley <conor+dt@...nel.org>
CC:     Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        "Taniya Das" <quic_tdas@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] clk: qcom: clk-alpha-pll: Add support for lucid ole pll ops

From: Taniya Das <quic_tdas@...cinc.com>

Add support for lucid ole pll ops to configure and control the
lucid ole pll. The lucid ole pll has an additional test control
register which is required to be programmed, add support to
program the same.

Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
---
 drivers/clk/qcom/clk-alpha-pll.c | 2 ++
 drivers/clk/qcom/clk-alpha-pll.h | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index b9f6535a7ba7..f81c7c561352 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -55,6 +55,7 @@
 #define PLL_TEST_CTL(p)		((p)->offset + (p)->regs[PLL_OFF_TEST_CTL])
 #define PLL_TEST_CTL_U(p)	((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U])
 #define PLL_TEST_CTL_U1(p)     ((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U1])
+#define PLL_TEST_CTL_U2(p)     ((p)->offset + (p)->regs[PLL_OFF_TEST_CTL_U2])
 #define PLL_STATUS(p)		((p)->offset + (p)->regs[PLL_OFF_STATUS])
 #define PLL_OPMODE(p)		((p)->offset + (p)->regs[PLL_OFF_OPMODE])
 #define PLL_FRAC(p)		((p)->offset + (p)->regs[PLL_OFF_FRAC])
@@ -2096,6 +2097,7 @@ void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regma
 	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);
+	clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U2(pll), config->test_ctl_hi2_val);
 
 	/* Disable PLL output */
 	regmap_update_bits(regmap, PLL_MODE(pll), PLL_OUTCTRL, 0);
diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
index d07b17186b90..4d9b6d5b7062 100644
--- a/drivers/clk/qcom/clk-alpha-pll.h
+++ b/drivers/clk/qcom/clk-alpha-pll.h
@@ -125,6 +125,7 @@ struct alpha_pll_config {
 	u32 test_ctl_val;
 	u32 test_ctl_hi_val;
 	u32 test_ctl_hi1_val;
+	u32 test_ctl_hi2_val;
 	u32 main_output_mask;
 	u32 aux_output_mask;
 	u32 aux2_output_mask;
@@ -171,6 +172,7 @@ extern const struct clk_ops clk_alpha_pll_zonda_ops;
 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
 
 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
+#define clk_alpha_pll_lucid_ole_ops clk_alpha_pll_lucid_evo_ops
 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
@@ -196,6 +198,8 @@ void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
 			     const struct alpha_pll_config *config);
 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
 				 const struct alpha_pll_config *config);
+#define clk_lucid_ole_pll_configure(pll, regmap, config) \
+			clk_lucid_evo_pll_configure(pll, regmap, config)
 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
 				  const struct alpha_pll_config *config);
 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
-- 
2.25.1