Pandora Sourcecodes - openembedded.git/blob

   1 From 9c1581dd7f6057d5d25d6b2dcf8bacef95d526d2 Mon Sep 17 00:00:00 2001
   2 From: Syed Mohammed Khasim <khasim@ti.com>
   3 Date: Mon, 18 Jan 2010 18:11:14 +0530
   4 Subject: [PATCH] Enable I2C bus switching
   5
   6 OMAP3 supports Multiple I2C channels, this patch allows
   7 us to use i2c dev <bus no> command to switch between busses.
   8
   9 Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
  10 Acked-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
  17 diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
  18 index 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 +}
  30 diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
  31 index 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 --
  48 1.6.1
  49