diff options
| author | Li Jun <jun.li@nxp.com> | 2024-09-06 12:30:39 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-11 15:37:52 +0200 |
| commit | 4664b73859dc2f05c2e178e4ca16362f89cff561 (patch) | |
| tree | bc85fabe8535454ecd26cd925a34ca0a1e1269d4 | |
| parent | a9400f1979a0820113a7216a69385cad3a9badde (diff) | |
usb: dwc3: imx8mp: disable SS_CON and U3 wakeup for system sleep
SS_CON and U3 wakeup need 'ref_clk' on. iMX8MP turn off it while system
sleep, So disable these wakeup source and only enable DP/DM wakeup source
for host mode.
Reviewed-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240906-dwc-mp-v5-3-ea8ec6774e7b@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/dwc3/dwc3-imx8mp.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c index cfb59f6bf5dd..64c0cd1995aa 100644 --- a/drivers/usb/dwc3/dwc3-imx8mp.c +++ b/drivers/usb/dwc3/dwc3-imx8mp.c @@ -97,7 +97,8 @@ static void imx8mp_configure_glue(struct dwc3_imx8mp *dwc3_imx) writel(value, dwc3_imx->glue_base + USB_CTRL1); } -static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx) +static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx, + pm_message_t msg) { struct dwc3 *dwc3 = platform_get_drvdata(dwc3_imx->dwc3); u32 val; @@ -107,12 +108,14 @@ static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx) val = readl(dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL); - if ((dwc3->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc3->xhci) - val |= USB_WAKEUP_EN | USB_WAKEUP_SS_CONN | - USB_WAKEUP_U3_EN | USB_WAKEUP_DPDM_EN; - else if (dwc3->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE) + if ((dwc3->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc3->xhci) { + val |= USB_WAKEUP_EN | USB_WAKEUP_DPDM_EN; + if (PMSG_IS_AUTO(msg)) + val |= USB_WAKEUP_SS_CONN | USB_WAKEUP_U3_EN; + } else { val |= USB_WAKEUP_EN | USB_WAKEUP_VBUS_EN | USB_WAKEUP_VBUS_SRC_SESS_VAL; + } writel(val, dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL); } @@ -277,7 +280,7 @@ static int dwc3_imx8mp_suspend(struct dwc3_imx8mp *dwc3_imx, pm_message_t msg) /* Wakeup enable */ if (PMSG_IS_AUTO(msg) || device_may_wakeup(dwc3_imx->dev)) - dwc3_imx8mp_wakeup_enable(dwc3_imx); + dwc3_imx8mp_wakeup_enable(dwc3_imx, msg); dwc3_imx->pm_suspended = true; |