
On 24.01.2010 01:05, Tom wrote:
Khasim Syed Mohammed wrote:
From 9bb1c3501c8f098dac6e224c99e409ebf92b0ab9 Mon Sep 17 00:00:00 2001 From: Syed Mohammed Khasimkhasim@ti.com Date: Mon, 18 Jan 2010 18:11:14 +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 Khasimkhasim@ti.com Acked-by: Heiko Schocherhs@denx.de
drivers/i2c/omap24xx_i2c.c | 5 +++++ include/configs/omap3_beagle.h | 6 ++++++ 2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c index ff18991..e8c8184 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 a8abb0e..4d516a4 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -100,6 +100,12 @@ /* DDR - I use Micron DDR */ #define CONFIG_OMAP3_MICRON_DDR 1
+/* Enable Multi Bus support for I2C */ +#define CONFIG_I2C_MULTI_BUS 1
+/* Probe all devices */ +#define CONFIG_SYS_I2C_NOPROBES {0x0, 0x0}
Most/All of the configs I reviewed set the addr element to a valid address. I do not believe 0 is a valid address on omap. If the intent is a double negative {0, 0} == probe all Then add a comment.
I would fix this, but I have no idea what to add :( Any hint?
Dirk