Commit b12a084c authored by Yogesh Narayan Gaur's avatar Yogesh Narayan Gaur Committed by Mark Brown

spi: spi-mem: add support for octal mode I/O data transfer

Add support for octal mode I/O data transfer in spi-mem framework.
Signed-off-by: default avatarYogesh Gaur <yogeshnarayan.gaur@nxp.com>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6b03061f
......@@ -12,7 +12,7 @@
#include "internals.h"
#define SPI_MEM_MAX_BUSWIDTH 4
#define SPI_MEM_MAX_BUSWIDTH 8
/**
* spi_controller_dma_map_mem_op_data() - DMA-map the buffer attached to a
......@@ -121,6 +121,13 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx)
break;
case 8:
if ((tx && (mode & SPI_TX_OCTAL)) ||
(!tx && (mode & SPI_RX_OCTAL)))
return 0;
break;
default:
break;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment