Thread (1 message) 1 message, 1 author, 2014-08-21

[PATCH 2/2] spi: davinci: support adding delay between transmission

From: broonie@kernel.org (Mark Brown)
Date: 2014-08-21 18:20:35
Also in: linux-devicetree, linux-spi

On Thu, Aug 21, 2014 at 06:25:06PM +0300, Grygorii Strashko wrote:
+- ti,davinci-spi-wdelay : delay between transmissions.
I don't understand why this is here - there is already standard support
in the SPI core for client drivers specifying inter-transfer delays.  If
there is a need to provide platform configuration for this in addition
to that then it should also be a standard property, there is nothing
device specific about these.
+- ti,davinci-spi-odd-parity : odd partity enabled
+   OR
+  ti,davinci-spi-even-parity : even parity enabled
What do these mean?
+- ti,davinci-spi-io-type: io type (check platform_data/spi-davinci.h)
The bindings should be independent of the kernel, the values need to be
included here (and the defines moved to include/dt-bindings so they can
be used when writing DTs).
+- ti,davinci-spi-disable-timer: disable CS timer (SPIFMTn)
+- ti,davinci-spi-c2t-delay: c2t delay
+- ti,davinci-spi-t2c-delay: t2c delay
+- ti,davinci-spi-t2e-delay: t2e delay
+- ti,davinci-spi-c2e-delay: c2e delay
What are all these timers/delays - at least some reference to the
datasheet please?
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