diff options
| author | Hemant Kumar <hemantk@codeaurora.org> | 2016-12-08 20:30:52 -0800 |
|---|---|---|
| committer | Hemant Kumar <hemantk@codeaurora.org> | 2016-12-08 20:30:52 -0800 |
| commit | 47b27b4d0f61f4ec4b3f608683cca1074eb2d211 (patch) | |
| tree | d2f180af718f0d793b7f4a9a0787a9004c80a246 | |
| parent | 368fecd7df5b203a5ce684a0c77726a5690c1147 (diff) | |
usb: qusb2: De-assert TCSR_QUSB2PHY_CLAMP_DIG_N_1P8 upon boot up
This prevents leakage on 1p8 power rail upon boot up when usb cable
is not connect.
Change-Id: I28a4f495293863361843eb30b2d20f1f57889f95
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
| -rw-r--r-- | drivers/usb/phy/phy-msm-qusb-v2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-msm-qusb-v2.c b/drivers/usb/phy/phy-msm-qusb-v2.c index 5a768ee4d061..6d5fa2039837 100644 --- a/drivers/usb/phy/phy-msm-qusb-v2.c +++ b/drivers/usb/phy/phy-msm-qusb-v2.c @@ -1003,6 +1003,9 @@ static int qusb_phy_probe(struct platform_device *pdev) if (ret) usb_remove_phy(&qphy->phy); + /* de-asseert clamp dig n to reduce leakage on 1p8 upon boot up */ + writel_relaxed(0x0, qphy->tcsr_clamp_dig_n); + return ret; } |