linux-stable/drivers/i2c/muxes
Phil Reid f2114795f7 i2c: mux: pca954x: Add interrupt controller support
Various muxes can aggregate multiple interrupts from each i2c bus.
All of the muxes with interrupt support combine the active low irq lines
using an internal 'and' function and generate a combined active low
output. The muxes do provide the ability to read a control register to
determine which irq is active. By making the mux an irq controller isr
latency can potentially be reduced by reading the status register and
then only calling the registered isr on that bus segment.

As there is no irq masking on the mux irq are disabled until irq_unmask is
called at least once.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Peter Rosin <peda@axentia.se>
2017-02-10 08:23:51 +01:00
..
i2c-arb-gpio-challenge.c i2c: mux: inform the i2c mux core about how it is used 2016-08-25 22:11:03 +02:00
i2c-demux-pinctrl.c i2c: mux: demux-pinctrl: make drivers with no pinctrl work again 2016-11-10 21:12:47 +01:00
i2c-mux-gpio.c i2c: i2c-mux-gpio: update mux with gpiod_set_array_value_cansleep 2016-11-29 20:10:59 +01:00
i2c-mux-mlxcpld.c i2c: mux: mlxcpld: fix i2c mux selection caching 2016-12-18 08:54:38 +01:00
i2c-mux-pca954x.c i2c: mux: pca954x: Add interrupt controller support 2017-02-10 08:23:51 +01:00
i2c-mux-pca9541.c i2c: pca9541: add device tree binding 2016-08-25 22:11:03 +02:00
i2c-mux-pinctrl.c i2c: mux: relax locking of the top i2c adapter during mux-locked muxing 2016-05-04 22:39:17 +02:00
i2c-mux-reg.c i2c: mux: reg: wrong condition checked for of_address_to_resource return value 2016-07-06 00:33:49 +09:00
Kconfig Merge branch 'i2c/for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-12-15 12:56:35 -08:00
Makefile i2c: mux: mellanox: add driver 2016-11-17 23:19:00 +01:00