[PATCH v4] OMAP2/3: hwmod: fix the i2c-reset timeout during bootup
avinashhm at ti.com
Sun Jun 5 04:49:15 EDT 2011
On Fri, May 20, 2011 at 09:16:24PM +0530, Avinash.H.M wrote:
> The sequence of _ocp_softreset doesn't work for i2c. The i2c module has a
> special sequence to reset the module. The sequence is
> - Disable the I2C.
> - Write to SOFTRESET bit.
> - Enable the I2C.
> - Poll on the RESETDONE bit.
> The sequence is implemented as a function and the i2c_class is updated with
> the correct 'reset' pointer. omap_hwmod_softreset function is implemented
> which triggers the softreset by writing into sysconfig register. On following
> this sequence, i2c module resets properly and timeouts are not seen.
> Cc: Rajendra Nayak <rnayak at ti.com>
> Cc: Paul Walmsley <paul at pwsan.com>
> Cc: Benoit Cousson <b-cousson at ti.com>
> Cc: Kevin Hilman <khilman at ti.com>
> Signed-off-by: Avinash.H.M <avinashhm at ti.com>
Hi Kevin, Paul ,
Ping .. could you please review this.
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