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Fix the warning:
drivers/extcon/extcon-usbc-tusb320.c:19: warning: expecting prototype
for drivers/extcon/extcon-tusb320.c(). Prototype was for TUSB320_REG8()
instead
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Rong Chen <rong.a.chen@intel.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The TI TUSB320 seems like a better fit for USB TYPE-C subsystem,
which can expose details collected by the TUSB320 in a far more
precise way than extcon. Since there are existing users in the
kernel and in DT which depend on the extcon interface, keep it
for now.
Add TYPE-C interface and expose the supported supply current,
direction and connector polarity via the TYPE-C interface.
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Move extcon code into separate functions in preparation for addition of
USB TYPE-C support. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
TUSB320L is a newer chip with additional features, and it has additional steps
in its mode changing sequence:
- Disable CC state machine,
- Write to mode register,
- Wait for 5 ms,
- Re-enable CC state machine.
It also has an additional register that a revision number can be read from.
Add support for the mode changing sequence, and read the revision number during
probe and print it as info.
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reset the chip and set its mode to default (maintain mode set by PORT pin)
during probe to make sure it comes up in the default state.
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This patch adds an extcon driver for the TI TUSB320 USB Type-C device.
This can be used to detect whether the port is configured as a
downstream or upstream facing port.
Signed-off-by: Michael Auchter <michael.auchter@ni.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
