Re: [PATCH v2 1/2] Revert "phy: qcom-qusb2: add QUSB2 support for IPQ5424"

From: Mukesh Kumar Savaliya
Date: Mon Apr 14 2025 - 10:08:31 EST




On 4/14/2025 5:22 PM, Kathiravan Thirumoorthy wrote:
With the current settings, complaince tests especially eye diagram
compliance
(Host High-speed Signal Quality) tests are failing. Design team
Write it as "recommended by Hardware design document/guide" instead of design team.
requested to reuse the IPQ6018 settings to overcome this issue.

So revert the change which introduced the new settings and reuse the
IPQ6018 settings in the subsequent patch.

Fixes: 9c56a1de296e ("phy: qcom-qusb2: add QUSB2 support for IPQ5424")
Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-qusb2.c | 28 ----------------------------
1 file changed, 28 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 1f5f7df14d5a2ff041fe15aaeb6ec5ce52ab2a81..81b9e9349c3ebb4d303cb040b5c913336bb6b6d6 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -151,21 +151,6 @@ 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 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),
@@ -359,16 +344,6 @@ 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 qcs615_phy_cfg = {
.tbl = qcs615_init_tbl,
.tbl_num = ARRAY_SIZE(qcs615_init_tbl),
@@ -954,9 +929,6 @@ 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,
}, {