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| author | Wesley Cheng <wcheng@codeaurora.org> | 2020-05-04 16:54:26 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-05-05 10:44:04 +0530 |
| commit | e4d8b05ad5f9db85ef7285dbf51a1ad357f4e4c8 (patch) | |
| tree | b1731797bd477a2d273630e9220210acf6748a5c /drivers/phy | |
| parent | 9a24b929d38ad3a3ce8615769b0323c4832f4c07 (diff) | |
| download | linux-stable-e4d8b05ad5f9db85ef7285dbf51a1ad357f4e4c8.tar.gz linux-stable-e4d8b05ad5f9db85ef7285dbf51a1ad357f4e4c8.tar.bz2 linux-stable-e4d8b05ad5f9db85ef7285dbf51a1ad357f4e4c8.zip | |
phy: qcom-qmp: Use proper PWRDOWN offset for sm8150 USB
The register map for SM8150 QMP USB SSPHY has moved
QPHY_POWER_DOWN_CONTROL to a different offset. Allow for
an offset in the register table to override default value
if it is a DP capable PHY.
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Reviewed-by: Manu Gautam <mgautam@codeaurora.org>
Link: https://lore.kernel.org/r/1588636467-23409-5-git-send-email-wcheng@codeaurora.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index dcc7cbd93f70..19ea3f82f679 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -119,6 +119,7 @@ enum qphy_reg_layout { QPHY_PCS_AUTONOMOUS_MODE_CTRL, QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR, QPHY_PCS_LFPS_RXTERM_IRQ_STATUS, + QPHY_PCS_POWER_DOWN_CONTROL, }; static const unsigned int msm8996_ufsphy_regs_layout[] = { @@ -181,6 +182,7 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[] = { [QPHY_SW_RESET] = 0x00, [QPHY_START_CTRL] = 0x44, [QPHY_PCS_STATUS] = 0x14, + [QPHY_PCS_POWER_DOWN_CONTROL] = 0x40, }; static const unsigned int sdm845_ufsphy_regs_layout[] = { @@ -2029,11 +2031,18 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy) SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); } - if (cfg->has_phy_com_ctrl) + if (cfg->has_phy_com_ctrl) { qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL], SW_PWRDN); - else - qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); + } else { + if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) + qphy_setbits(pcs, + cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + cfg->pwrdn_ctrl); + else + qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, + cfg->pwrdn_ctrl); + } /* Serdes configuration */ qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl, @@ -2259,7 +2268,13 @@ static int qcom_qmp_phy_disable(struct phy *phy) qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); /* Put PHY into POWER DOWN state: active low */ - qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); + if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) { + qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + cfg->pwrdn_ctrl); + } else { + qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, + cfg->pwrdn_ctrl); + } if (cfg->has_lane_rst) reset_control_assert(qphy->lane_rst); |