linux-kernel - [PATCH v12 0/6] Driver for at91 usart in spi mode

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Date:   Tue,  4 Sep 2018 14:13:04 +0300
From:   Radu Pirea <radu_nicolae.pirea@....ro>
To:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        gregkh@...uxfoundation.org, broonie@...nel.org, jslaby@...e.com,
        richard.genoud@...il.com, davem@...emloft.net,
        mchehab+samsung@...nel.org, akpm@...ux-foundation.org,
        arnd@...db.de
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-spi@...r.kernel.org, Radu Pirea <radu_nicolae.pirea@....ro>
Subject: [PATCH v12 0/6] Driver for at91 usart in spi mode

Hi,

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
drivers/spi/Kconfig
- 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 +-
 MAINTAINERS                                   |  16 +
 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

-- 
2.18.0