Enable I2C bus switching

PATCH New Syed Mohammed Khasim 1 participant 1 message Jan 8, 2010 I2C

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Syed Mohammed Khasim

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2010-01-08 14:50 UTC #0 lore raw

PATCH 1/1 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 <[email protected]>

Acked-by Heiko Schocher <[email protected]>

---
 drivers/i2c/omap24xx_i2c.c     |    5 +++++
 include/configs/omap3_beagle.h |    4 ++++
 2 files changed, 9 insertions(+), 0 deletions(-)

drivers/i2c/omap24xx_i2c.c +5 -0

index ff18991..e8c8184 100644
@@ -435,3 +435,8 @@ int i2c_set_bus_num(unsigned int bus)
 
 	return 0;
 }
+
+int i2c_get_bus_num(void)
+{
+	return (int) current_bus;
+}

include/configs/omap3_beagle.h +4 -0

index d1c9cd0..ff6d432 100644
@@ -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>

Signature · 1 line

1.5.6.3