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spi: pxa2xx: Introduce special type for Merrifield SPIs
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 10 May 2021 12:41:34 +0000 (15:41 +0300)
committerMark Brown <broonie@kernel.org>
Tue, 11 May 2021 08:35:11 +0000 (09:35 +0100)
commit3fdb59cf10b020b32b9f1dfc78611320623dcb3e
treef15caaceaf8c12a0f3f970a37641f8f49f1d5bebtree | snapshot
parenteca32c3974c0664f88fed90b327f473bd18a4809commit | diff
spi: pxa2xx: Introduce special type for Merrifield SPIs

Intel Merrifield SPI is actually more closer to PXA3xx. It has extended FIFO
(32 bytes) and additional registers to get or set FIFO thresholds.

Introduce new type for Intel Merrifield SPI host controllers and handle bigger
FIFO size.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210510124134.24638-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-pxa2xx-pci.c diff | blob | history
drivers/spi/spi-pxa2xx.c diff | blob | history
include/linux/pxa2xx_ssp.h diff | blob | history
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