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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 | |
| parent | d7248c42f153163d8e427649f5f47cc65cb41691 (diff) | |
| download | u-boot-imx-4082fce92498a64e5e543ad53a1ed5a5c02a64d1.zip u-boot-imx-4082fce92498a64e5e543ad53a1ed5a5c02a64d1.tar.gz u-boot-imx-4082fce92498a64e5e543ad53a1ed5a5c02a64d1.tar.bz2 | |
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')
| -rw-r--r-- | drivers/i2c/Makefile | 4 | ||||
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/i2c/muxes/Makefile | 2 |
3 files changed, 12 insertions, 3 deletions
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 811ad9b..bbbc0dc 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -7,8 +7,8 @@ obj-$(CONFIG_DM_I2C) += i2c-uclass.o obj-$(CONFIG_DM_I2C_COMPAT) += i2c-uclass-compat.o obj-$(CONFIG_DM_I2C_GPIO) += i2c-gpio.o -obj-$(CONFIG_I2C_CROS_EC_TUNNEL) += cros_ec_tunnel.o -obj-$(CONFIG_I2C_CROS_EC_LDO) += cros_ec_ldo.o +obj-$(CONFIG_$(SPL_)I2C_CROS_EC_TUNNEL) += cros_ec_tunnel.o +obj-$(CONFIG_$(SPL_)I2C_CROS_EC_LDO) += cros_ec_ldo.o obj-$(CONFIG_SYS_I2C_ADI) += adi_i2c.o obj-$(CONFIG_I2C_MV) += mv_i2c.o diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 913093d..f959d9d 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -7,6 +7,15 @@ config I2C_MUX bus select is handled automatically when that bus is accessed, using a suitable I2C MUX driver. +config SPL_I2C_MUX + bool "Support I2C multiplexers on SPL" + depends on I2C_MUX + help + This enables I2C buses to be multiplexed, so that you can select + one of several buses using some sort of control mechanism. The + bus select is handled automatically when that bus is accessed, + using a suitable I2C MUX driver. + config I2C_ARB_GPIO_CHALLENGE bool "GPIO-based I2C arbitration" depends on I2C_MUX diff --git a/drivers/i2c/muxes/Makefile b/drivers/i2c/muxes/Makefile index 612cc27..47c1240 100644 --- a/drivers/i2c/muxes/Makefile +++ b/drivers/i2c/muxes/Makefile @@ -4,4 +4,4 @@ # SPDX-License-Identifier: GPL-2.0+ # obj-$(CONFIG_I2C_ARB_GPIO_CHALLENGE) += i2c-arb-gpio-challenge.o -obj-$(CONFIG_I2C_MUX) += i2c-mux-uclass.o +obj-$(CONFIG_$(SPL_)I2C_MUX) += i2c-mux-uclass.o |