[PATCH 3 16/18] I2C: OMAP1: set i2c unit feature implementation flags in platform data
Andy Green
andy at warmcat.com
Tue Mar 15 15:57:49 EDT 2011
Most of the OMAP1 implementation flags are set statically, with the
exception that omap7xx has its data bus wired up differently.
Cc: patches at linaro.org
Cc: Ben Dooks <ben-linux at fluff.org>
Reported-by: Peter Maydell <peter.maydell at linaro.org>
Signed-off-by: Andy Green <andy.green at linaro.org>
---
arch/arm/plat-omap/i2c.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index abe070c..710c5d5 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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