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Commit 78e4312f authored by Taniya Das's avatar Taniya Das
Browse files

clk: qcom: clk-alpha-pll: Add support for Legacy FSM Mode 



The Legacy FSM Mode is required to be set when the Fabia PLL needs to be
used in non-FSM mode, thus add support for same.

Change-Id: I23d491cb33391dce1eb21d9ced298001da9ef907
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent 983f8387

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

+5 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
# 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)
@@ -1995,6 +1996,10 @@ int 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

+1 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ 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;