[U-Boot] [PATCH v3 0/5] Add support for TI PCF8575 I2C GPIO expander
Vignesh R
vigneshr at ti.com
Tue Aug 2 06:44:23 CEST 2016
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
--
2.9.2
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