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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:43:53 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:35 -0700 |
| commit | 4082fce92498a64e5e543ad53a1ed5a5c02a64d1 (patch) | |
| tree | 5fb176a0f6356275bee8f82e1081b5d0fb8350fc /drivers/i2c/muxes/Kconfig | |
| parent | d7248c42f153163d8e427649f5f47cc65cb41691 (diff) | |
| download | talos-obmc-uboot-4082fce92498a64e5e543ad53a1ed5a5c02a64d1.tar.gz talos-obmc-uboot-4082fce92498a64e5e543ad53a1ed5a5c02a64d1.zip | |
dm: i2c: Allow muxes to be enabled for SPL separately
Since I2C muxes are seldom needed in SPL, and the code for this increases
the size somewhat, add a separate option to enable I2C muxes for SPL.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/i2c/muxes/Kconfig')
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 913093d53d..f959d9de9e 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -7,6 +7,15 @@ config I2C_MUX bus select is handled automatically when that bus is accessed, using a suitable I2C MUX driver. +config SPL_I2C_MUX + bool "Support I2C multiplexers on SPL" + depends on I2C_MUX + help + This enables I2C buses to be multiplexed, so that you can select + one of several buses using some sort of control mechanism. The + bus select is handled automatically when that bus is accessed, + using a suitable I2C MUX driver. + config I2C_ARB_GPIO_CHALLENGE bool "GPIO-based I2C arbitration" depends on I2C_MUX |
