int gpio_base;
unsigned irq_base, irq_end;
+ /* package the two LED signals as output-only GPIOs? */
+ bool use_leds;
+
/* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
* should be enabled. Else, if that bit is set in "pulldowns",
* that pulldown is enabled. Don't waste power by letting any