On Wed, Sep 09, 2020 at 04:10:33PM +0800, JC Kuo wrote: > This commit adds sleepwalk/wake and suspend/resume interfaces > to Tegra XUSB PHY driver. > > Tegra XUSB host controller driver makes use of sleepwalk functions > to enable/disable sleepwalk circuit which is in always-on partition > and can respond to USB resume signals when controller is not powered. > Sleepwalk can be enabled/disabled for any USB UPHY individually. > > - tegra_xusb_padctl_enable_phy_sleepwalk() > - tegra_xusb_padctl_disable_phy_sleepwalk() > > Tegra XUSB host controller driver makes use of wake functions to > enable/disable/query wake circuit which is in always-on partition > can wake system up when USB resume happens. > Wake circuit can be enabled/disabled for any USB PHY individually. > > - tegra_xusb_padctl_enable_phy_wake() > - tegra_xusb_padctl_disable_phy_wake() > - tegra_xusb_padctl_remote_wake_detected() > > This commit also adds two system suspend stubs that can be used to > save and restore XUSB PADCTL context during system suspend and > resume. > - tegra_xusb_padctl_suspend_noirq() > - tegra_xusb_padctl_resume_noirq() > > Signed-off-by: JC Kuo <jckuo@xxxxxxxxxx> > --- > v3: > commit message improvement, no change in code > > drivers/phy/tegra/xusb.c | 73 ++++++++++++++++++++++++++++++++++ > drivers/phy/tegra/xusb.h | 9 +++++ > include/linux/phy/tegra/xusb.h | 8 ++++ > 3 files changed, 90 insertions(+) Acked-by: Thierry Reding <treding@xxxxxxxxxx>
Attachment:
signature.asc
Description: PGP signature
