spi: add ti-ssp spi master driver

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>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/mfd/ti_ssp.h b/include/linux/mfd/ti_ssp.h
index 021fe0912435..dbb4b43bd20e 100644
--- a/include/linux/mfd/ti_ssp.h
+++ b/include/linux/mfd/ti_ssp.h
@@ -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,