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mx51: Fix I2C clock ID check

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There are only 2 I²C instances on i.MX51, but 3 on i.MX53.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Benoît Thébaudeau 2012-09-27 10:24:13 +00:00 committed by Tom Rini
parent d5fe220df4
commit be2f93b1ea
1 changed files with 5 additions and 1 deletions
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6
arch/arm/cpu/armv7/mx5/clock.c
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@ -111,12 +111,16 @@ void enable_usboh3_clk(unsigned char enable)
}
#ifdef CONFIG_I2C_MXC
/* i2c_num can be from 0 - 2 */
/* i2c_num can be from 0, to 1 for i.MX51 and 2 for i.MX53 */
int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
{
u32 mask;
#if defined(CONFIG_MX51)
if (i2c_num > 1)
#elif defined(CONFIG_MX53)
if (i2c_num > 2)
#endif
return -EINVAL;
mask = MXC_CCM_CCGR_CG_MASK <<
(MXC_CCM_CCGR1_I2C1_OFFSET + (i2c_num << 1));