[U-Boot] [PATCH] p1022ds: add audclk hwconfig setting enable codec reference clock

Kumar Gala kumar.gala at freescale.com
Wed Jul 21 23:43:40 CEST 2010


On Jul 21, 2010, at 4:26 PM, Timur Tabi wrote:

> The Freescale P1022DS can use either a 12.288MHz or a 11.2896MHz reference
> clock for the audio codec, but by default both are disabled.  Add a 'audclk'
> hwconfig option that allows the user to choose which clock he wants.
> 
> The 12.288MHz clock allows the codec to use sampling rates of 16, 24, 32, 48,
> 64, and 96KHz.  The 11.2896 clock allows 14700, 22050, 29400, 44100, 58800, and
> 88200Hz.
> 
> Also configure a pin muxing to select some SSI signals, which will disable
> I2C1.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
> board/freescale/p1022ds/p1022ds.c |   67 ++++++++++++++++++++++++++++++++-----
> include/configs/P1022DS.h         |    1 +
> 2 files changed, 59 insertions(+), 9 deletions(-)

Needs a readme for new hwconfig option.

- k


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