diff options
| author |   Chunfeng Yun <chunfeng.yun@mediatek.com> | 2017-10-13 17:10:42 +0800 |
|---|---|---|
| committer |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-10-19 10:38:11 +0300 |
| commit | c776f2c3e81308977e95a228b0665e3d5c63dff3 (patch) | |
| tree | 2e0daefc114ea8a8e6ab388b72264749d4157d81 /drivers/usb/mtu3/mtu3.h | |
| parent | usb: mtu3: support 36-bit DMA address (diff) | |
| download | wireguard-linux-c776f2c3e81308977e95a228b0665e3d5c63dff3.tar.xz wireguard-linux-c776f2c3e81308977e95a228b0665e3d5c63dff3.zip | |
usb: mtu3: use FORCE/RG_IDDIG to implement manual DRD switch
In order to keep manual DRD switch independent on IDDIG interrupt,
make use of FORCE/RG_IDDIG instead of IDDIG EINT interrupt to
implement manual DRD switch function.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/mtu3/mtu3.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h index ef2dc92a2109..b0c2b5dca045 100644 --- a/drivers/usb/mtu3/mtu3.h +++ b/drivers/usb/mtu3/mtu3.h @@ -115,6 +115,19 @@ enum mtu3_g_ep0_state { }; /** + * MTU3_DR_FORCE_NONE: automatically switch host and periperal mode + * by IDPIN signal. + * MTU3_DR_FORCE_HOST: force to enter host mode and override OTG + * IDPIN signal. + * MTU3_DR_FORCE_DEVICE: force to enter peripheral mode. + */ +enum mtu3_dr_force_mode { + MTU3_DR_FORCE_NONE = 0, + MTU3_DR_FORCE_HOST, + MTU3_DR_FORCE_DEVICE, +}; + +/** * @base: the base address of fifo * @limit: the bitmap size in bits * @bitmap: fifo bitmap in unit of @MTU3_EP_FIFO_UNIT @@ -196,7 +209,6 @@ struct mtu3_gpd_ring { * xHCI driver initialization, it's necessary for system bootup * as device. * @is_u3_drd: whether port0 supports usb3.0 dual-role device or not -* @id_*: used to maually switch between host and device modes by idpin * @manual_drd_enabled: it's true when supports dual-role device by debugfs * to switch host/device modes depending on user input. */ @@ -207,10 +219,6 @@ struct otg_switch_mtk { struct notifier_block id_nb; struct delayed_work extcon_reg_dwork; bool is_u3_drd; - /* dual-role switch by debugfs */ - struct pinctrl *id_pinctrl; - struct pinctrl_state *id_float; - struct pinctrl_state *id_ground; bool manual_drd_enabled; }; |