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Commit c9a726af authored by Taniya Das's avatar Taniya Das
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clk: qcom: gdsc: Update the BLK_ARES assert/deassert delay 



The recommendation is to ensure that the ACD BLK_ARES/IROOT_ARES are
kept asserted for at least 100 us before being de-asserted.

Change-Id: I7910a86bcff1589d8ace975c6c18e2b86e924714
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent b794964c

drivers/clk/qcom/gdsc-regulator.c

+5 −3
Original line number Diff line number Diff line
@@ -251,11 +251,13 @@ static int gdsc_enable(struct regulator_dev *rdev) 
				regmap_write(sc->acd_misc_reset, REG_OFFSET, regval);



			/*

			 * BLK_ARES should be kept asserted for 1us before

			 * being de-asserted.

			 * BLK_ARES should be kept asserted for at least 100 us

			 * before being de-asserted.

			 * This is necessary as in HW there are 3 demet cells

			 * on sleep clk to synchronize the BLK_ARES.

			 */

			gdsc_mb(sc);

			udelay(1);

			udelay(100);



			regval &= ~BCR_BLK_ARES_BIT;

			regmap_write(sc->sw_reset, REG_OFFSET, regval);