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Subject[PATCH v12 0/6] Driver for at91 usart in spi mode

Well, this is the 12th version of this patch series.
In this version I fixed a warning from kbuild-robot and I have no idea
how I forgot to add static in declaration of that functions. Also I
fixed the example for the SPI driver in bindings.

Currently I am not working for Microchip, but I will continue to
maintain and improve this driver. So yes, this is the reason that
I changed my email address from MAINTAINERS file.

Changes in v12:
- fixed interrupts property in example from bindings of SPI driver
- changed email address in MAINTAINERS
- added static to declaration of few functions in SPI
driver(kbuild-robot warning)

Changes in v11:
- removed "depends on HAS_DMA" from drivers/spi/Kconfig because the driver has
no dma support
- changed "selects MFD_AT91_USART" to "depends on MFD_AT91_USART" in
- changed comment style in spi-at91-usart.c

Changes in v10:
-fixed kbuild test robot warning

Changes in v9:
- minor changes
- rebased on top of broonie/for-4.19

Changes in v8:
- fixed passing an empty mfd cell if "atmel,usart-mode" value is invalid

Changes in v7:
- synced up SPDIX license with module license
- numbering of usart modes starts from 0 insteand of 1

Changes in v6:
- removed unused compatible strings from serial and spi drivers

Changes in v5:
- fixed usage of stdout-path property with atmel_serial driver

Changes in v4:
- modified the spi driver to use cs gpio support form spi subsystem
- fixed dma transfers for serial driver
- squashed binding for spi and serial and moved them to mfd/atmel-usart.txt

Changes in v3:
- fixed spi slaves probing

Changes in v2:
- added at91-usart mfd driver
- modified spi-at91-usart driver to work as mfd driver child
- modified atmel_serial driver to work as mfd driver child

Changes in v1:
- added spi-at91-usart driver

Radu Pirea (6):
MAINTAINERS: add at91 usart mfd driver
dt-bindings: add binding for atmel-usart in SPI mode
mfd: at91-usart: added mfd driver for usart
MAINTAINERS: add at91 usart spi driver
spi: at91-usart: add driver for at91-usart as spi
tty/serial: atmel: change the driver to work under at91-usart mfd

.../bindings/{serial => mfd}/atmel-usart.txt | 25 +-
drivers/mfd/Kconfig | 9 +
drivers/mfd/Makefile | 1 +
drivers/mfd/at91-usart.c | 71 +++
drivers/spi/Kconfig | 8 +
drivers/spi/Makefile | 1 +
drivers/spi/spi-at91-usart.c | 432 ++++++++++++++++++
drivers/tty/serial/Kconfig | 1 +
drivers/tty/serial/atmel_serial.c | 42 +-
include/dt-bindings/mfd/at91-usart.h | 17 +
11 files changed, 606 insertions(+), 17 deletions(-)
rename Documentation/devicetree/bindings/{serial => mfd}/atmel-usart.txt (76%)
create mode 100644 drivers/mfd/at91-usart.c
create mode 100644 drivers/spi/spi-at91-usart.c
create mode 100644 include/dt-bindings/mfd/at91-usart.h


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