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-rw-r--r--recipes-bsp/u-boot/u-boot/0001-OMAP3-enable-i2c-bus-switching-for-Beagle-and-Overo.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/recipes-bsp/u-boot/u-boot/0001-OMAP3-enable-i2c-bus-switching-for-Beagle-and-Overo.patch b/recipes-bsp/u-boot/u-boot/0001-OMAP3-enable-i2c-bus-switching-for-Beagle-and-Overo.patch
new file mode 100644
index 00000000..c718191a
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot/0001-OMAP3-enable-i2c-bus-switching-for-Beagle-and-Overo.patch
@@ -0,0 +1,49 @@
1From 9c1581dd7f6057d5d25d6b2dcf8bacef95d526d2 Mon Sep 17 00:00:00 2001
2From: Syed Mohammed Khasim <khasim@ti.com>
3Date: Mon, 18 Jan 2010 18:11:14 +0530
4Subject: [PATCH] Enable I2C bus switching
5
6OMAP3 supports Multiple I2C channels, this patch allows
7us to use i2c dev <bus no> command to switch between busses.
8
9Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
10Acked-by: Heiko Schocher <hs@denx.de>
11(cherry picked from commit 9bb1c3501c8f098dac6e224c99e409ebf92b0ab9)
12---
13 drivers/i2c/omap24xx_i2c.c | 5 +++++
14 include/configs/omap3_beagle.h | 6 ++++++
15 2 files changed, 11 insertions(+), 0 deletions(-)
16
17diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
18index f00468d..0af230d 100644
19--- a/drivers/i2c/omap24xx_i2c.c
20+++ b/drivers/i2c/omap24xx_i2c.c
21@@ -435,3 +435,8 @@ int i2c_set_bus_num(unsigned int bus)
22
23 return 0;
24 }
25+
26+int i2c_get_bus_num(void)
27+{
28+ return (int) current_bus;
29+}
30diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
31index ad73a66..1a76004 100644
32--- a/include/configs/omap3_beagle.h
33+++ b/include/configs/omap3_beagle.h
34@@ -113,6 +113,12 @@
35 /* DDR - I use Micron DDR */
36 #define CONFIG_OMAP3_MICRON_DDR 1
37
38+/* Enable Multi Bus support for I2C */
39+#define CONFIG_I2C_MULTI_BUS 1
40+
41+/* Probe all devices */
42+#define CONFIG_SYS_I2C_NOPROBES {0x0, 0x0}
43+
44 /* USB */
45 #define CONFIG_MUSB_UDC 1
46 #define CONFIG_USB_OMAP3 1
47--
481.6.1
49