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author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2019-08-19 18:36:06 -0700 |
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committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-08-28 13:04:59 +0300 |
commit | 54fb5ba647f8f942e372dee45025bce4adc08c38 (patch) | |
tree | 3cb9eb4d77d007381701555182f85323d2fa604b /drivers/usb/common/debug.c | |
parent | 16fe4f304015c39aa3a7aeef1beeac2ed585c7c6 (diff) | |
download | linux-54fb5ba647f8f942e372dee45025bce4adc08c38.tar.gz linux-54fb5ba647f8f942e372dee45025bce4adc08c38.tar.bz2 linux-54fb5ba647f8f942e372dee45025bce4adc08c38.zip |
usb: dwc3: gadget: Set BESL config parameter
When operating with LPM signals, the controller asserts the deep
low-power signal (utmi_l1_suspend_n) to the phy when the BESL value of
the LPM token is equal to or greater than DCTL.HIRD_Thres[3:0] (and
with DCTL.HIRD_Thres[4] set). Otherwise, the shallow low-power signal
(utmi_sleep_n) is asserted. Set the recommended deep BESL equal to the
controller's DCTL.HIRD_Thres[3:0] setting, and set the baseline BESL
to 0 for the shallow low-power signal. This maximizes the opportunity
for L1 residency and optimizes power savings.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/common/debug.c')
0 files changed, 0 insertions, 0 deletions