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usb: phy: eusb2: Add 10us delay in eusb2 phy init

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According to Table No. 4 in HPG, the power-on reset must
be asserted for at least 10us after all supplies have ramped up.

Change-Id: I086ff86e50cf9846beb422901d61954ddcc47ff5
Signed-off-by: Uttkarsh Aggarwal <quic_uaggarwa@quicinc.com>
This commit is contained in:
Uttkarsh Aggarwal 2024-07-18 11:44:46 +05:30
parent 9e53a33998
commit 35b5a592d5
1 changed files with 2 additions and 0 deletions
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drivers/usb/phy/phy-msm-snps-eusb2.c
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@ -706,6 +706,8 @@ static int msm_eusb2_phy_init(struct usb_phy *uphy)
msm_eusb2_write_readback(phy->base, USB_PHY_UTMI_CTRL5, POR, POR);
udelay(10);
msm_eusb2_write_readback(phy->base, USB_PHY_HS_PHY_CTRL_COMMON0,
PHY_ENABLE | RETENABLEN, PHY_ENABLE | RETENABLEN);