Commit dc99bbfe authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Bjorn Andersson
Browse files

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: default avatarKonrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220921001303.56151-1-konrad.dybcio@somainline.org
parent e3ae3e89

drivers/clk/qcom/clk-alpha-pll.c

+5 −0
Original line number Diff line number Diff line
@@ -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);

drivers/clk/qcom/clk-alpha-pll.h

+3 −2
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ struct clk_alpha_pll { 
#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;