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Move this header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
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There was for long time no activity in the 8xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 8xx,
so remove it (with a heavy heart, knowing that I remove
here the root of U-Boot).
Signed-off-by: Heiko Schocher <hs@denx.de>
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These are not used in U-Boot. Manual relocation fixup is used by blackfin
but that is being removed.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add early i2c init function with conservative divider when the exact
clock rate is not available.
Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
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"diconnect" and "disconnet" should both be "disconnect".
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
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Due to an uninitialised variable, when muxes were deselected, any value
could be written to the mux control register. On the PCA9548, this could
result in multiple channels being selected, thus enabling multiple
pull-up resistors, and much bus capacitance.
The fix is simply to initialise the written value to zero.
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
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Cc: Heiko Schocher <hs@denx.de>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
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This corrects i2c core to interpret the value returned by
i2c_set_bus_speed as a success indicator rather than the
actual speed that was set. When i2c_set_bus_speed returns
a failure code, the speed is unknown so the adapter speed
is set to zero.
Signed-off-by: Darwin Rambo <drambo@broadcom.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Steve Rae <srae@broadcom.com>
Acked-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
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The prototype of handlers had changed.
This commit uses cast with (void *) rather than
the handler-specific prototype.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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NoMMU systems have a access violation problem with i2c_reloc_fixup.
Blame for it is a double relocation of the adapter itself. The
i2c_adap_p is already relocated, if i2c_reloc_fixup is called.
This patch removes the relocation of i2c_adap_p from i2c_reloc_fixup
to fix this.
Signed-off-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
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check first, if we are on the bus, we want to enable. If so,
return immediately, do not calc max adapter number, nor check
other things.
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
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(Interface is not quite the same as Phillips PCA9547.)
Signed-off-by: Michael Burr <michael.burr@logicpd.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Michal Simek <monstr@monstr.eu>
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Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
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This Patch introduce the new i2c_core file, which holds
the I2C core functions, for the rework of the multibus/
multiadapter support.
Also adds changes in i2c.h for the new I2C multibus/multiadapter
support. This new support can be activated with the
CONFIG_SYS_I2C define.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
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