On Thu, Jun 06, 2013 at 01:08:46PM +0300, Illia Smyrnov wrote:
On 06/05/2013 02:57 PM, Mark Brown wrote:
Turbo mode gives the expected results not for all cases. There are
some limitations:
- works only if a single channel is enabled (no effect when several
channels are enable);
- improves the throughput on RX direction only;
- effective only when a transfer exceeds two words. For single SPI
word transfers OMAP TRM [1] recommends deactivate turbo mode.
So it is useful to have the property in DT, that allow us to switch
turbo mode off/on for certain slave.
Why? These sound like conditions that can readily be detected at
runtime.
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