phy: qcom-qusb2: Add support for QCS615

Add init sequence and phy configuration for QCS615.

Signed-off-by: Krishna Kurapati <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/qualcomm/phy-qcom-qusb2.c

···
 	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
 };
 
+static const struct qusb2_phy_init_tbl qcs615_init_tbl[] = {
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xc8),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0xb3),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0x83),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc0),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
+};
+
 static const unsigned int ipq6018_regs_layout[] = {
 	[QUSB2PHY_PLL_STATUS]              = 0x38,
 	[QUSB2PHY_PORT_TUNE1]              = 0x80,
···
 
 	.disable_ctrl   = POWER_DOWN,
 	.mask_core_ready = PLL_LOCKED,
+	.autoresume_en   = BIT(0),
+};
+
+static const struct qusb2_phy_cfg qcs615_phy_cfg = {
+	.tbl            = qcs615_init_tbl,
+	.tbl_num        = ARRAY_SIZE(qcs615_init_tbl),
+	.regs           = ipq6018_regs_layout,
+
+	.disable_ctrl   = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
+	.mask_core_ready = PLL_LOCKED,
+	/* autoresume not used */
 	.autoresume_en   = BIT(0),
 };
 
···
 	}, {
 		.compatible	= "qcom,msm8998-qusb2-phy",
 		.data		= &msm8998_phy_cfg,
+	}, {
+		.compatible	= "qcom,qcs615-qusb2-phy",
+		.data		= &qcs615_phy_cfg,
 	}, {
 		.compatible	= "qcom,qcm2290-qusb2-phy",
 		.data		= &sm6115_phy_cfg,