summaryrefslogtreecommitdiff
path: root/drivers/mtd/devices
diff options
context:
space:
mode:
authorYogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com>2019-01-15 10:05:22 +0000
committerBoris Brezillon <bbrezillon@kernel.org>2019-01-17 08:43:14 +0100
commit0837ae46ff003fed44bfead23c590e7105f47623 (patch)
treeb9ffb928586fae3a1898b538915e14d5ed8702bd /drivers/mtd/devices
parent2bda2f811b36cb7e569ca384e2dfcf74740a8279 (diff)
mtd: m25p80: add support of octal mode I/O transfer
Add support for octal mode I/O data transfer based on the controller (spi) mode. Assign hw-capability mask bits for octal transfer. Signed-off-by: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/m25p80.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index c4a1d04b8c80..651bab6d4e31 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -195,7 +195,14 @@ static int m25p_probe(struct spi_mem *spimem)
spi_mem_set_drvdata(spimem, flash);
flash->spimem = spimem;
- if (spi->mode & SPI_RX_QUAD) {
+ if (spi->mode & SPI_RX_OCTAL) {
+ hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8;
+
+ if (spi->mode & SPI_TX_OCTAL)
+ hwcaps.mask |= (SNOR_HWCAPS_READ_1_8_8 |
+ SNOR_HWCAPS_PP_1_1_8 |
+ SNOR_HWCAPS_PP_1_8_8);
+ } else if (spi->mode & SPI_RX_QUAD) {
hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4;
if (spi->mode & SPI_TX_QUAD)