From 3aa4b510a95b5313dc103c286eea44a6054b67d4 Mon Sep 17 00:00:00 2001

From: Syed Mohammed Khasim khasim@ti.com Date: Tue, 5 Jan 2010 20:52:36 +0530 Subject: [PATCH] Enable I2C bus switching

OMAP3 supports Multiple I2C channels, this patch allows us to use i2c dev <bus no> command to switch between busses.

Signed-off-by: Syed Mohammed Khasim khasim@ti.com --- drivers/i2c/omap24xx_i2c.c | 5 +++++ include/configs/omap3_beagle.h | 4 ++++ 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c index ff18991..a9250be 100644 --- a/drivers/i2c/omap24xx_i2c.c +++ b/drivers/i2c/omap24xx_i2c.c @@ -435,3 +435,8 @@ int i2c_set_bus_num(unsigned int bus)

return 0; } + +int i2c_get_bus_num(void) +{ + return ((int) current_bus); +} diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index d1c9cd0..fa26b35 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -100,6 +100,10 @@ /* DDR - I use Micron DDR */ #define CONFIG_OMAP3_MICRON_DDR 1

+/* Enable Multi Bus support for I2C */ +#define CONFIG_I2C_MULTI_BUS 1 +#define CONFIG_SYS_I2C_NOPROBES {0x0,0x0} + /* commands to include */ #include <config_cmd_default.h>