diff options
| author | Krishna Kurapati <krishna.kurapati@oss.qualcomm.com> | 2025-12-19 20:31:07 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2025-12-24 10:03:05 +0300 |
| commit | 5c87da0308f9395700fd3072fcc45b43234366fb (patch) | |
| tree | e8e2ecb11abf9aef117119b08a0cc75414336666 | |
| parent | a590c0f935349b9f3ae72d9fdec002689915519d (diff) | |
| download | linux-5c87da0308f9395700fd3072fcc45b43234366fb.tar.xz | |
phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect param update
Add support for overriding Squelch Detect parameter.
Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219173108.2119296-3-krishna.kurapati@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c index 441996480a67..efeec4709a15 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; @@ -134,7 +145,9 @@ 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); @@ -161,6 +174,15 @@ 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); |