spi: octeon: Split driver into Octeon specific and common parts
Separate driver probing from SPI transfer functions.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Tested-by: Steven J. Hill <steven.hill@cavium.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h
index d41dba5..88c5f36 100644
--- a/drivers/spi/spi-cavium.h
+++ b/drivers/spi/spi-cavium.h
@@ -1,3 +1,32 @@
+#ifndef __SPI_CAVIUM_H
+#define __SPI_CAVIUM_H
+
+#define OCTEON_SPI_MAX_BYTES 9
+#define OCTEON_SPI_MAX_CLOCK_HZ 16000000
+
+struct octeon_spi_regs {
+ int config;
+ int status;
+ int tx;
+ int data;
+};
+
+struct octeon_spi {
+ void __iomem *register_base;
+ u64 last_cfg;
+ u64 cs_enax;
+ int sys_freq;
+ struct octeon_spi_regs regs;
+};
+
+#define OCTEON_SPI_CFG(x) (x->regs.config)
+#define OCTEON_SPI_STS(x) (x->regs.status)
+#define OCTEON_SPI_TX(x) (x->regs.tx)
+#define OCTEON_SPI_DAT0(x) (x->regs.data)
+
+int octeon_spi_transfer_one_message(struct spi_master *master,
+ struct spi_message *msg);
+
/* MPI register descriptions */
#define CVMX_MPI_CFG (CVMX_ADD_IO_SEG(0x0001070000001000ull))
@@ -296,3 +325,5 @@
struct cvmx_mpi_tx_s cn66xx;
struct cvmx_mpi_tx_cn61xx cnf71xx;
};
+
+#endif /* __SPI_CAVIUM_H */