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Signed-off-by: Krishna Kurapati --- .../phy/qualcomm/phy-qcom-eusb2-repeater.c | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c index 651a12b59bc8..a75b37d4e16d 100644 --- a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c +++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c @@ -37,6 +37,17 @@ #define EUSB2_TUNE_EUSB_EQU 0x5A #define EUSB2_TUNE_EUSB_HS_COMP_CUR 0x5B +static const int squelch_detector[] = { + [0] = -6000, + [1] = -5000, + [2] = -4000, + [3] = -3000, + [4] = -2000, + [5] = -1000, + [6] = 0, + [7] = 1000, +}; + struct eusb2_repeater_init_tbl_reg { unsigned int reg; unsigned int value; @@ -120,7 +131,9 @@ static int eusb2_repeater_init(struct phy *phy) struct regmap *regmap = rptr->regmap; u32 base = rptr->base; u32 poll_val; + s32 dt_val; int ret; + int i; u8 val; ret = regulator_bulk_enable(rptr->cfg->num_vregs, rptr->vregs); @@ -147,6 +160,15 @@ static int eusb2_repeater_init(struct phy *phy) if (!of_property_read_u8(np, "qcom,tune-res-fsdif", &val)) regmap_write(regmap, base + EUSB2_TUNE_RES_FSDIF, val); + if (!of_property_read_s32(np, "qcom,squelch-detector-bp", &dt_val)) { + for (i = 0; i < ARRAY_SIZE(squelch_detector); i++) { + if (squelch_detector[i] == dt_val) { + regmap_write(regmap, base + EUSB2_TUNE_SQUELCH_U, i); + break; + } + } + } + /* Wait for status OK */ ret = regmap_read_poll_timeout(regmap, base + EUSB2_RPTR_STATUS, poll_val, poll_val & RPTR_OK, 10, 5); -- 2.34.1