phy: qcom-qusb2: add QUSB2 support for IPQ5424

Add the phy init sequence for the Super Speed ports found
on IPQ5424.

Reviewed-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Varadarajan Narayanan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: quic-varada

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

@@ -151,6 +151,21 @@ static const struct qusb2_phy_init_tbl ipq6018_init_tbl[] = {
 	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9F),
 };
 
+static const struct qusb2_phy_init_tbl ipq5424_init_tbl[] = {
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL, 0x14),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0x00),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x53),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc3),
+	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_TUNE5, 0x00),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TEST, 0x80),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
+};
+
 static const unsigned int ipq6018_regs_layout[] = {
 	[QUSB2PHY_PLL_STATUS]              = 0x38,
 	[QUSB2PHY_PORT_TUNE1]              = 0x80,
@@ -331,6 +346,16 @@ static const struct qusb2_phy_cfg ipq6018_phy_cfg = {
 	.autoresume_en   = BIT(0),
 };
 
+static const struct qusb2_phy_cfg ipq5424_phy_cfg = {
+	.tbl            = ipq5424_init_tbl,
+	.tbl_num        = ARRAY_SIZE(ipq5424_init_tbl),
+	.regs           = ipq6018_regs_layout,
+
+	.disable_ctrl   = POWER_DOWN,
+	.mask_core_ready = PLL_LOCKED,
+	.autoresume_en   = BIT(0),
+};
+
 static const struct qusb2_phy_cfg qusb2_v2_phy_cfg = {
 	.tbl		= qusb2_v2_init_tbl,
 	.tbl_num	= ARRAY_SIZE(qusb2_v2_init_tbl),
@@ -905,6 +930,9 @@ static const struct phy_ops qusb2_phy_gen_ops = {
 
 static const struct of_device_id qusb2_phy_of_match_table[] = {
 	{
+		.compatible	= "qcom,ipq5424-qusb2-phy",
+		.data		= &ipq5424_phy_cfg,
+	}, {
 		.compatible	= "qcom,ipq6018-qusb2-phy",
 		.data		= &ipq6018_phy_cfg,
 	}, {