Re: [PATCH v8 06/13] phy: tegra: xusb: Add sleepwalk and suspend/resume

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 25-03-21, 17:40, Thierry Reding wrote:
> From: JC Kuo <jckuo@xxxxxxxxxx>
> 
> 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()

Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>

-- 
~Vinod



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux