fbtft_request_one_gpio
ret = fbtft_request_one_gpio(par, "rd", 0, &par->gpio.rd);
ret = fbtft_request_one_gpio(par, "wr", 0, &par->gpio.wr);
ret = fbtft_request_one_gpio(par, "cs", 0, &par->gpio.cs);
ret = fbtft_request_one_gpio(par, "latch", 0, &par->gpio.latch);
ret = fbtft_request_one_gpio(par, "db", i,
ret = fbtft_request_one_gpio(par, "led", i,
ret = fbtft_request_one_gpio(par, "aux", i,
ret = fbtft_request_one_gpio(par, "reset", 0, &par->gpio.reset);
ret = fbtft_request_one_gpio(par, "dc", 0, &par->gpio.dc);