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Currently the controller by default enables the Receive Detect feature in P3
mode in USB 3.0 PHY. However, USB 3.0 PHY does not reliably support receive
detection in P3 mode.
Enabling the USB3 controller to configure USB in P2 mode whenever the Receive
Detect feature is required.
Signed-off-by: Sriram Dash <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
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This patch is doing the following:
1. Implementing the errata for LS2080.
2. Adding fixup for fdt for LS2080.
Signed-off-by: Sriram Dash <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
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This patch does the following things:
1. Makes the errata checking code common for PPC and ARM
2. Moves all these static inline functions into a dedicated C file
Signed-off-by: Sriram Dash <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
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Apply Erratum A007792 sw workaround for T4080
Signed-off-by: Sriram Dash <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
Signed-off-by: Ramneek Mehresh <[email protected]>
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Add a delay of 1 microsecond before issuing soft reset to the
controller to let ongoing ULPI transaction complete.
This prevents corruption of ULPI Function Control Register which
eventually prevents phy clock from entering to low power mode
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Check if USB Erratum A005697 is applicable on BSC913x and
add corresponding property in the device tree via device
tree fixup which is used by linux driver
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Add following affected SOCs and their personalities for USB
Erratum A007792 :
T1040 Rev 1.1
T1024 Rev 1.0
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Identify soc(s) having dual phy so as to add "utmi_dual" as phy_mode
for all these socs. This is required for supporting deel-sleep feature
in linux for usb driver
Signed-off-by: Ramneek Mehresh <[email protected]>
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Check USB Erratum A007792 applicability. If applicable, add
corresponding property in the device tree via device tree fixup
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Set TXFIFOTHRESH to adjust ddr pipeline delay for successful large
usb writes
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Move USB Errata checking code from "arch/powerpc" to architecture independent
file "fsl_usb.h" so that errata(s) become independent of the architecture.
For each erratum checking function for PPC arch, define a nop function for
non PPC arch for successful compilation in either case
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Adds support for clock sourcing from sysclk(100MHz) for usb
on T104xRDB and T1040QDS. This requires changing reference divisor
and multiplication factor to derive usb clock from sysclk.
Signed-off-by: Nikhil Badola <[email protected]>
Reviewed-by: York Sun <[email protected]>
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USB spec says that the minimum disconnect threshold should be
over 525 mV. However, internal USB PHY threshold value is below
this specified value. Due to this some devices disconnect at
run-time. Hence, phy settings are tweaked to increased disconnect
threshold to be above 525mV by using this workaround.
Signed-off-by: Suresh Gupta <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Replace license header with SPDX license identifier.
Replace GPL-2.0 with GPL-2.0+.
Signed-off-by: York Sun <[email protected]>
Acked-by: Ramneek Mehresh <[email protected]>
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fsl_usb.h file created to share data bewteen usb platform code
and usb ip driver. Internal phy structure definitions moved to
this file
Signed-off-by: Ramneek Mehresh <[email protected]>
Acked-by: York Sun <[email protected]>
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