ISP programming Attiny with Raspberrypi and avrdude

dependencies
sudo apt-get install avrdude

add programmer for attiny ISP with avrdude

 programmer id = "AttinyGPIO"; desc = "Attiny GPIO interface SPI programmer"; type = "linuxgpio"; reset = 17; sck = 11; mosi = 10; miso = 9; ; 

spi terminal
./tools/terminal.sh 85 AttinyGPIO

flash hex
./tools/flash.sh 85 AttinyGPIO led-arduino-mk/bin/ledtest.hex

example code arduino: led-arduino-mk
example code avr toolchain: led-avr-mk

avrdude programmer definition
http://www.nongnu.org/avrdude/user-manual/avrdude_12.html