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.
Tested on DRA72 EVM.
[1]http://www.ti.com/lit/ds/symlink/pcf8575.pdf
Vignesh R (5): gpio: Add driver for TI PCF8575 I2C GPIO expander ARM: dra7xx_evm: Enable support for TI PCF8575 ARM: dts: dra7xx: Add u-boot specific property for PCF8575 nodes 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/dra7-evm.dts | 1 + arch/arm/dts/dra72-evm.dts | 4 +- configs/dra7xx_evm_defconfig | 1 + configs/dra7xx_hs_evm_defconfig | 1 + doc/device-tree-bindings/gpio/gpio-pcf857x.txt | 71 ++++++++++ drivers/gpio/Kconfig | 7 + drivers/gpio/Makefile | 1 + drivers/gpio/pcf8575_gpio.c | 180 +++++++++++++++++++++++++ drivers/net/cpsw.c | 12 ++ 9 files changed, 277 insertions(+), 1 deletion(-) create mode 100644 doc/device-tree-bindings/gpio/gpio-pcf857x.txt create mode 100644 drivers/gpio/pcf8575_gpio.c