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The USB OTG mode is not supported by Kestone 2 devices, as result, the
USB devices enumeration and detection will not work properly when
kernel is built with CONFIG_USB_DWC3_DUAL_ROLE=y (default for multi
platform build):
- it's required to load gadget drivers manually to make host mode
work and this confuses current Keystone 2 users
- device mode is not working, because port can't detect and switch to
peripheral/host mode dynamically.
Hence, specify usb mode explicitly in DT: usb0 = "host" for all KS2
devices and usb1 = "peripheral" for K2E.
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Roger Quadros <rogerq@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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Now that Keystone PCIe controller supports error interrupt handling
add interrupt property to PCI controller DT bindings to enable
error interrupt handling.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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The PCI DT bindings contain a bogus entry for IO space which is not
supported on Keystone. The current bogus entry has an invalid size
and throws following error during boot.
[0.420713] keystone-pcie 21021000.pcie: error -22: failed to map
resource [io 0x0000-0x400000003fff]
So remove it from the dts. While at it also add a bus-range
value that eliminates following log at boot up.
[0.420659] No bus range found for /soc/pcie@21020000, using [bus 00-ff]
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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As reported in [1], rename the k2* dts files to keystone-* files
this will force consistency throughout.
Script for the same (and hand modified for Makefile and MAINTAINERS
files):
for i in arch/arm/boot/dts/k2*
do
b=`basename $i`;
git mv $i arch/arm/boot/dts/keystone-$b;
sed -i -e "s/$b/keystone-$b/g" arch/arm/boot/dts/*[si]
done
NOTE: bootloaders that depend on older dtb names will need to be
updated as well.
[1] http://marc.info/?l=linux-arm-kernel&m=145637407804754&w=2
Reported-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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