Commit 5c87da03 authored by Krishna Kurapati's avatar Krishna Kurapati Committed by Vinod Koul
Browse files

phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect param update 



Add support for overriding Squelch Detect parameter.

Signed-off-by: default avatarKrishna Kurapati <krishna.kurapati@oss.qualcomm.com>
Reviewed-by: default avatarAbel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219173108.2119296-3-krishna.kurapati@oss.qualcomm.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent a590c0f9

drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c

+22 −0
Original line number Diff line number Diff line
@@ -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);