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

Vignesh R
2016-07-25T13:10:19Z

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 at lists.denx.de/msg218923.html

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 | 199 +++++++++++++++++++++++++
drivers/net/cpsw.c | 13 ++
include/configs/dra7xx_evm.h | 5 +
7 files changed, 297 insertions(+), 1 deletion(-)
create mode 100644 doc/device-tree-bindings/gpio/gpio-pcf857x.txt
create mode 100644 drivers/gpio/pcf8575_gpio.c

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2.9.2