This patchset adds support for dual flash memory accessing with single
chipselect line from the controller.
dual flash memory support is implemented in xilinx zynq qspi controllers
in which dual stacked and dual parallel are the connection modes.
--
Thanks,
Jagan.
Changes for v3:
- renamed nr_flash into dual_flash along with macro names
Changes for v2:
- rebase to current spi tree
- "option" variable on spi_slave so-that controller driver can specify
which they use
- Unify common code
Jagannadha Sutradharudu Teki (4):
sf: ops: Unify read_ops bank configuration
sf: Add dual memories support - DUAL_STACKED
sf: Add dual memories support - DUAL_PARALLEL
sf: Add CONFIG_SF_DUAL_FLASH
README | 6 +++
doc/SPI/README.dual-flash | 92 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/mtd/spi/sf.c | 4 ++
drivers/mtd/spi/sf_ops.c | 80 +++++++++++++++++++++++++++++++---------
drivers/mtd/spi/sf_probe.c | 21 ++++++++---
include/spi.h | 9 +++++
include/spi_flash.h | 11 ++++++
7 files changed, 199 insertions(+), 24 deletions(-)
create mode 100644 doc/SPI/README.dual-flash
--
1.8.3
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