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| author | Michal Simek <michal.simek@xilinx.com> | 2016-04-25 08:50:42 (GMT) |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2016-05-17 06:28:50 (GMT) |
| commit | d79ac324789839b4b10b37e2ff64dd9e4a92441e (patch) | |
| tree | 901b815c4d8ccbc84c5b42f463e72a087414def1 /drivers/i2c/muxes/Kconfig | |
| parent | ad72e7622bd587dc798fbac0351b558fb18caa97 (diff) | |
| download | u-boot-d79ac324789839b4b10b37e2ff64dd9e4a92441e.tar.xz | |
i2c: muxes: Add support for TI PCA954X mux
Add support for common TI i2c mux which is available on ZynqMP zcu102
board.
DM i2c mux core code is selecting/deselecting bus before/after
every command is performed that's why only one channel is active at a
time. That's also the reason why deselect is just disable all available
channels.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/i2c/muxes/Kconfig')
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index f959d9d..48900ed 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -24,3 +24,13 @@ config I2C_ARB_GPIO_CHALLENGE I2C multimaster arbitration scheme using GPIOs and a challenge & response mechanism where masters have to claim the bus by asserting a GPIO. + +config I2C_MUX_PCA954x + tristate "TI PCA954x I2C Mux/switches" + depends on I2C_MUX + help + If you say yes here you get support for the TI PCA954x + I2C mux/switch devices. It is x width I2C multiplexer which enables to + paritioning I2C bus and connect multiple devices with the same address + to the same I2C controller where driver handles proper routing to + target i2c device. PCA9544 and PCA9548 are supported. |