[PATCH v5 1/3] musb: sunxi: Add support for the Allwinner sunxi musb controller

On Sat, Jun 13, 2015 at 02:42:08PM +0200, Hans de Goede wrote:

This is based on initial code to get the Allwinner sunxi musb controller
supported by Chen-Yu Tsai and Roman Byshko.

This adds support for the Allwinner sunxi musb controller in both host only
and otg mode. Peripheral only mode is not supported, as no boards use that.

This has been tested on a cubietruck (A20 SoC) and an UTOO P66 tablet
(A13 SoC) with a variety of devices in host mode and with the g_serial gadget
driver in peripheral mode, plugging otg / host cables in/out a lot of times
in all possible imaginable plug orders.

Signed-off-by: Hans de Goede <redacted>
---
Changes in v2:
-Move polling of id and vbus-det gpio-s to the phy driver
-Use extcon to get id (USB_HOST mode) status changes from the phy driver
-Stop using syscon, instead use Maxime Ripard's sunxi SRAM controller driver
Changes in v3:
-Check that USB_MUSB_FOO config is compatible with the dr_mode setting from dt
Changes in v4:
-Squash in "musb: sunxi: Add pre/post root reset end platform functions" patch
-Adjust for sunxi_sram controller driver changes
-Stop musb work from turning vbus off again when in host mode
Changes in v5:
-Squash in "musb: sunxi: Remove special MUSB_SUN4I flag" patch, as it was
 mostly revering changes done by this patch
-Adjust for extcon api changes landing in 4.2

drivers/usb/musb/sunxi.c:75:13: warning: symbol 'sunxi_musb' was not declared. Should it be static?
drivers/usb/musb/sunxi.c:151:6: warning: symbol 'sunxi_musb_pre_root_reset_end' was not declared. Should it be static?
drivers/usb/musb/sunxi.c:158:6: warning: symbol 'sunxi_musb_post_root_reset_end' was not declared. Should it be static?

please fix.

-- 
balbi
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