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authorAndy Green <andy@warmcat.com>2011-05-30 07:43:09 -0700
committerBen Dooks <ben-linux@fluff.org>2011-10-29 09:37:08 +0100
commit8e286f5a2156f71dd304ce9ad1cd6b07231aaae6 (patch)
tree2f74cce5c442f2019913dcfcc1d2cf7cb22f1b99 /arch/arm/plat-omap/i2c.c
parent029a1e73cd702e41ebfc07e11555592e0bb1693c (diff)
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op-kernel-dev-8e286f5a2156f71dd304ce9ad1cd6b07231aaae6.tar.gz
I2C: OMAP1: set i2c unit feature implementation flags in platform data
Most of the OMAP1 implementation flags are set statically, with the exception that omap7xx has its data bus wired up differently. Cc: patches@linaro.org Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andy Green <andy.green@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/plat-omap/i2c.c')
-rw-r--r--arch/arm/plat-omap/i2c.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 9098669..2388b8e 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -111,6 +111,19 @@ static inline int omap1_i2c_add_bus(int bus_id)
/* all OMAP1 have IP version 1 register set */
pdata->rev = OMAP_I2C_IP_VERSION_1;
+ /* all OMAP1 I2C are implemented like this */
+ pdata->flags = OMAP_I2C_FLAG_NO_FIFO |
+ OMAP_I2C_FLAG_SIMPLE_CLOCK |
+ OMAP_I2C_FLAG_16BIT_DATA_REG |
+ OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK;
+
+ /* how the cpu bus is wired up differs for 7xx only */
+
+ if (cpu_is_omap7xx())
+ pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_1;
+ else
+ pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_2;
+
return platform_device_register(pdev);
}
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