On 14/04/16 18:09, Rob Herring wrote: > On Thu, Apr 14, 2016 at 10:45:21AM +0200, Linus Walleij wrote: >> Some types of ST Sensors can be connected to the same IRQ line >> as other peripherals using open drain. Add a device tree binding >> and a sensor data property to flip the right bit in the interrupt >> control register to enable open drain mode on the INT line. >> >> If the line is set to be open drain, also tag on IRQF_SHARED >> to the IRQ flags when requesting the interrupt, as the whole >> point of using open drain interrupt lines is to share them with >> more than one peripheral (wire-or). >> >> Cc: devicetree@xxxxxxxxxxxxxxx >> Cc: Giuseppe Barba <giuseppe.barba@xxxxxx> >> Cc: Denis Ciocca <denis.ciocca@xxxxxx> >> Cc: Rob Herring <robh@xxxxxxxxxx> >> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> >> --- >> ChangeLog v4->v5: >> - Rename DT bool property int-pin-open-drain to drive-mode-open-drain >> reusing the pin control subsystem binding. >> ChangeLog v3->v4: >> - Rename DT bool property st,int-pin-open-drain to int-pin-open-drain >> - Rob Herring ACKed st,int-pin-open-drain but not including his ACK >> on this even though it's close >> ChangeLog v2->v3: >> - Rebase on top of the patches fixing the other issues (handling >> IRQ status check and channel reading bug). >> ChangeLog v1->v2: >> - Rebased to fit the new patch order. >> --- >> Documentation/devicetree/bindings/iio/st-sensors.txt | 4 ++++ > > Acked-by: Rob Herring <rob@xxxxxxxxxx> Applied to the togreg branch of iio.git - initially pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > >> drivers/iio/accel/st_accel_core.c | 8 ++++++++ >> drivers/iio/common/st_sensors/st_sensors_core.c | 20 ++++++++++++++++++++ >> drivers/iio/common/st_sensors/st_sensors_trigger.c | 13 +++++++++++++ >> drivers/iio/pressure/st_pressure_core.c | 8 ++++++++ >> include/linux/iio/common/st_sensors.h | 6 ++++++ >> include/linux/platform_data/st_sensors_pdata.h | 2 ++ >> 7 files changed, 61 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
