Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit
This is used on at least SM6375 and its variations.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220921001303.56151-1-konrad.dybcio@somainline.org
authored by
Konrad Dybcio
and committed by
Bjorn Andersson
dc99bbfe
e3ae3e89
+8
-2
+5
drivers/clk/qcom/clk-alpha-pll.c
+5
drivers/clk/qcom/clk-alpha-pll.c
···
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# define PLL_VOTE_FSM_RESET BIT(21)
28
28
# define PLL_UPDATE BIT(22)
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29
# define PLL_UPDATE_BYPASS BIT(23)
30
+
# define PLL_FSM_LEGACY_MODE BIT(24)
30
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# define PLL_OFFLINE_ACK BIT(28)
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# define ALPHA_PLL_ACK_LATCH BIT(29)
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# define PLL_ACTIVE_FLAG BIT(30)
···
1123
1122
val = config->post_div_val;
1124
1123
regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val);
1125
1124
}
1125
+
1126
+
if (pll->flags & SUPPORTS_FSM_LEGACY_MODE)
1127
+
regmap_update_bits(regmap, PLL_MODE(pll), PLL_FSM_LEGACY_MODE,
1128
+
PLL_FSM_LEGACY_MODE);
1126
1129
1127
1130
regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS,
1128
1131
PLL_UPDATE_BYPASS);
+3
-2
drivers/clk/qcom/clk-alpha-pll.h
+3
-2
drivers/clk/qcom/clk-alpha-pll.h
···
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const struct pll_vco *vco_table;
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size_t num_vco;
75
-
#define SUPPORTS_OFFLINE_REQ BIT(0)
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-
#define SUPPORTS_FSM_MODE BIT(2)
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+
#define SUPPORTS_OFFLINE_REQ BIT(0)
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+
#define SUPPORTS_FSM_MODE BIT(2)
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#define SUPPORTS_DYNAMIC_UPDATE BIT(3)
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+
#define SUPPORTS_FSM_LEGACY_MODE BIT(4)
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u8 flags;
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struct clk_regmap clkr;