[U-Boot] [PATCH v9 29/49] dm: i2c: Allow muxes to be enabled for SPL separately

[Heiko Schocher]

Hello Simon,

Am 22.01.2016 um 03:43 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 at chromium.org>
> ---
>
> Changes in v9: None
> Changes in v2: None
>
>   drivers/i2c/Makefile       | 4 ++--
>   drivers/i2c/muxes/Kconfig  | 9 +++++++++
>   drivers/i2c/muxes/Makefile | 2 +-
>   3 files changed, 12 insertions(+), 3 deletions(-)

Thanks!

Reviewed-by: Heiko Schocher <hs at 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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