[U-Boot] [PATCH 1/3] OMAP3 I2C Fix the sampling clock.
Nishanth Menon
menon.nishanth at gmail.com
Sat Jun 20 17:16:12 CEST 2009
Tom said the following on 06/20/2009 01:22 PM:
> Menon, Nishanth wrote:
>
>>> -----Original Message-----
>>> From: Tom Rix [mailto:Tom.Rix at windriver.com]
>>> Sent: Thursday, June 18, 2009 11:14 PM
>>> To: u-boot at lists.denx.de; Menon, Nishanth; dirk.behme at googlemail.com
>>> Cc: Tom Rix
>>> Subject: [PATCH 1/3] OMAP3 I2C Fix the sampling clock.
>>>
>>>
>> Acked-by: Nishanth Menon<nm at ti.com>
>>
>> There is one comment below though..
>>
>>
>>> Signed-off-by: Tom Rix <Tom.Rix at windriver.com>
>>> ---
>>> drivers/i2c/omap24xx_i2c.c | 34 +++++++++++++++++++-----
>>> include/asm-arm/arch-omap3/i2c.h | 54
>>> +++++++++++++++++++++++++++++++++-----
>>> 2 files changed, 74 insertions(+), 14 deletions(-)
>>>
>>> diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
>>> index 6784603..ecdf1f2 100644
>>> --- a/drivers/i2c/omap24xx_i2c.c
>>> +++ b/drivers/i2c/omap24xx_i2c.c
>>> @@ -31,7 +31,29 @@ static void flush_fifo(void);
>>>
>>> void i2c_init (int speed, int slaveadd)
>>> {
>>> - u16 scl;
>>> + int psc, scll, sclh;
>>> +
>>> + /* Only handle standard and fast speeds */
>>> + if ((speed != OMAP_I2C_STANDARD) &&
>>> + (speed != OMAP_I2C_FAST_MODE)) {
>>> + printf("Error : I2C unsupported speed %d\n", speed);
>>> + return;
>>> + }
>>> +
>>>
>>>
>> We may want to bring the HSI2C support back in though
>>
>>
>>
> How about I do this in a later patch?
> The configs I looked at only used the much slower standard speed.
>
Sounds good as long as it is in TODO somewhere.. kinda sad if we talk
400khz to TWL5030 which could go upto 2.4mhz or so..
Regards,
Nishanth Menon
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