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spi: Add QMSI-based implementation

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This driver uses the QMSI library and mostly translates calls from the
Zephyr API to QMSI ones.

This driver conflicts with the native driver implemenation. In order to
enable it, you must set:
CONFIG_QMSI_DRIVERS=y
CONFIG_QMSI_INSTALL_PATH="PATH_TO_QMSI"
CONFIG_SPI_QMSI=y
CONFIG_SPI_QMSI_PORT_0=y
CONFIG_SPI_QMSI_PORT_1=y

Missing:
 - Support for using a GPIO pin as Chip Select;

Change-Id: I0d8eca88a2a803b6b3604f396f874313fe90753c
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
This commit is contained in:
Vinicius Costa Gomes 2016-01-28 10:42:12 -02:00 • committed by Anas Nashif
commit 40f8914376
4 changed files with 351 additions and 0 deletions
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16
arch/x86/soc/quark_se/Kconfig
View file

@ -191,6 +191,7 @@ endif
if SPI
config SPI_DW
def_bool y
if SPI_DW
config SPI_DW_CLOCK_GATE
def_bool n
config SPI_DW_CLOCK_GATE_DRV_NAME
@ -215,6 +216,21 @@ config SPI_DW_PORT_1_REGS
default 0xb0001400
config SPI_DW_PORT_1_IRQ
default 3
endif # SPI_DW
config SPI_QMSI
def_bool n
if SPI_QMSI
config SPI_QMSI_PORT_0
def_bool y
config SPI_QMSI_PORT_0_IRQ
default 2
config SPI_QMSI_PORT_1
def_bool y
config SPI_QMSI_PORT_1_IRQ
default 3
endif # SPI_QMSI
endif
if WATCHDOG