spi/imx: add support for imx51's eCSPI and CSPI

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i.MX51 comes with two eCSPI interfaces (that are quite different from
what was known before---the tried and tested Freescale way) and a CSPI
interface that is identical to the devices found on i.MX25 and i.MX35.

This patch is a merge of two very similar patches (by Jason Wang and Sascha
Hauer resp.) plus a (now hopefully correct) reimplementation of the
clock calculation.

Acked-by: Jason Wang <jason77.wang@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

...

This commit is contained in:

Uwe Kleine-König 2010-09-09 21:02:48 +02:00 • committed by Sascha Hauer

parent 3b2aa89eb3

commit 0b599603d8

2 changed files with 143 additions and 2 deletions

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5

drivers/spi/Kconfig

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140

drivers/spi/spi_imx.c

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