ARM: mxs: Use soc bus infrastructure

Using the soc bus infrastructure is helpful for reporting several SoC related
information such as: family, machine, SoC name and SoC revision.

$ cat /sys/bus/soc/devices/soc0/family
Freescale MXS Family

$ cat /sys/bus/soc/devices/soc0/machine
Freescale i.MX28 Evaluation Kit

$ cat /sys/bus/soc/devices/soc0/soc_id
i.MX28

$ cat /sys/bus/soc/devices/soc0/revision
TO1.2

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 4dc2fbba0ecd..59c30ef56790 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -25,6 +25,7 @@ config ARCH_MXS
         select GENERIC_CLOCKEVENTS
         select HAVE_CLK_PREPARE
         select PINCTRL
+        select SOC_BUS
         select SOC_IMX23
         select SOC_IMX28
         select STMP_DEVICE