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Date: Fri, 8 Jan 2010 21:08:59 +0530
Message-ID: <a8ca84ad1001080738q6f5aeca1gd276ed5846b0db43@mail.gmail.com>
Subject: [beagleboard] TI:OMAP: [PATCH 2/4] Enable I2C bus switching
From: Khasim Syed Mohammed <khasim@beagleboard.org>
To: u-boot@lists.denx.de, beagleboard@googlegroups.com
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--0016e64cc3d48ce7bb047ca8fca8
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From 9045377f255e8a59450a6957e63366b4963281ae Mon Sep 17 00:00:00 2001
From: Syed Mohammed Khasim <khasim@ti.com>
Date: Fri, 8 Jan 2010 20:20:41 +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>
Acked-by: Heiko Schocher <hs@denx.de>
---
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..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 d1c9cd0..ff6d432 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>
--
1.5.6.3
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