[U-Boot] [PATCH 30/50] dm: i2c: Allow muxes to be enabled for SPL separately

Heiko Schocher
2016-01-14T05:57:33Z

Hello Simon,

Am 14.01.2016 um 00:25 schrieb Simon Glass:
> 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>
> ---
>
> drivers/i2c/Makefile | 4 ++--
> drivers/i2c/muxes/Kconfig | 9 +++++++++
> drivers/i2c/muxes/Makefile | 2 +-
> 3 files changed, 12 insertions(+), 3 deletions(-)

Thanks!

Acked-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> 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
>

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