[U-Boot] mxc_i2c driver

[York Sun]

On 01/14/2014 03:25 PM, Troy Kisky wrote:
> On 1/14/2014 2:26 PM, York Sun wrote:
>> Troy,
>>
>> I am trying to use mxc_i2c driver with multiple buses. I didn't figure out how
>> the bases are set. Can you shed some light on this?
>>
>> Thanks,
>>
>> York
>>
> see board/boundary/nitrogen6x/nitrogen6x.c
> 
> It calls
>          setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0);
>          setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
>          setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
> which is in
> arch/arm/imx-common/i2c-mxv7.c
> 
> This file has an array of base addresses
> 
> static void * const i2c_bases[] = {
>          (void *)I2C1_BASE_ADDR,
>          (void *)I2C2_BASE_ADDR,
> #ifdef I2C3_BASE_ADDR
>          (void *)I2C3_BASE_ADDR,
> #endif
> };
> 

Great! Thanks.

York