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clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit

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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
This commit is contained in:
Konrad Dybcio 2022-09-21 02:13:01 +02:00 committed by Bjorn Andersson
parent e3ae3e899a
commit dc99bbfe48
2 changed files with 8 additions and 2 deletions
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5
drivers/clk/qcom/clk-alpha-pll.c
View File

@ -27,6 +27,7 @@
# define PLL_VOTE_FSM_RESET BIT(21)
# define PLL_UPDATE BIT(22)
# define PLL_UPDATE_BYPASS BIT(23)
# define PLL_FSM_LEGACY_MODE BIT(24)
# define PLL_OFFLINE_ACK BIT(28)
# define ALPHA_PLL_ACK_LATCH BIT(29)
# define PLL_ACTIVE_FLAG BIT(30)
@ -1123,6 +1124,10 @@ void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val);
}
if (pll->flags & SUPPORTS_FSM_LEGACY_MODE)
regmap_update_bits(regmap, PLL_MODE(pll), PLL_FSM_LEGACY_MODE,
PLL_FSM_LEGACY_MODE);
regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS,
PLL_UPDATE_BYPASS);

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

@ -72,9 +72,10 @@ struct clk_alpha_pll {
const struct pll_vco *vco_table;
size_t num_vco;
#define SUPPORTS_OFFLINE_REQ BIT(0)
#define SUPPORTS_FSM_MODE BIT(2)
#define SUPPORTS_OFFLINE_REQ BIT(0)
#define SUPPORTS_FSM_MODE BIT(2)
#define SUPPORTS_DYNAMIC_UPDATE BIT(3)
#define SUPPORTS_FSM_LEGACY_MODE BIT(4)
u8 flags;
struct clk_regmap clkr;