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spi: add ti-ssp spi master driver

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This patch adds an SPI master implementation that operates on top of an
underlying TI-SSP port.

Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Cyril Chemparathy
2011-01-18 19:21:36 +00:00
committed by Kevin Hilman
parent 03df0f6294
commit a72aeefebe
4 changed files with 419 additions and 0 deletions
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6
include/linux/mfd/ti_ssp.h
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@@ -32,6 +32,12 @@ struct ti_ssp_data {
struct ti_ssp_dev_data dev_data[2];
};
struct ti_ssp_spi_data {
unsigned long iosel;
int num_cs;
void (*select)(int cs);
};
/*
* Sequencer port IO pin configuration bits. These do not correlate 1-1 with
* the hardware. The iosel field in the port data combines iosel1 and iosel2,