[U-Boot] [PATCH v2 0/4] Add support for TI PCF8575 I2C GPIO expander

Vignesh R vigneshr at ti.com
Tue Aug 2 10:27:13 CEST 2016



On Friday 29 July 2016 04:50 PM, Vignesh R wrote:
> This series adds support for TI's PCF8575 I2C GPIO expander[1] based on
> Linux Kernel driver for the same.  Also adds support for ethernet to use
> new PCF8575 driver to select appropriate cpsw slaves on dra72.
> 
> Depends on I2C DM support [2]
> 
> Tested on DRA72 EVM.
> 
> [1]http://www.ti.com/lit/ds/symlink/pcf8575.pdf
> [2]https://www.mail-archive.com/u-boot@lists.denx.de/msg218923.html

I have posted v3 of this series after addressing the additional comments
that I got for older version.

> 
> Vignesh R (4):
>   gpio: Add driver for TI PCF8575 I2C GPIO expander
>   ARM: dra7xx_evm: Enable support for TI PCF8575
>   net: cpsw: Add support to drive gpios for ethernet to be functional
>   ARM: dts: dra72-evm: Add mode-gpios entry for mac node
> 
>  arch/arm/dts/dra72-evm.dts                     |   2 +-
>  doc/device-tree-bindings/gpio/gpio-pcf857x.txt |  71 +++++++++
>  drivers/gpio/Kconfig                           |   7 +
>  drivers/gpio/Makefile                          |   1 +
>  drivers/gpio/pcf8575_gpio.c                    | 190 +++++++++++++++++++++++++
>  drivers/net/cpsw.c                             |  12 ++
>  include/configs/dra7xx_evm.h                   |   5 +
>  7 files changed, 287 insertions(+), 1 deletion(-)
>  create mode 100644 doc/device-tree-bindings/gpio/gpio-pcf857x.txt
>  create mode 100644 drivers/gpio/pcf8575_gpio.c
> 

-- 
Regards
Vignesh


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