Hi, On Sat, Dec 02, 2017 at 12:27:33AM +0800, Chen-Yu Tsai wrote: > The Bananapi-M64 has 3 LEDS in red, green, and blue. These are toggled > via GPIO lines, which drive transistors that control current across the > LEDS. The red LED is by default on, via an additional pull-up on the > control line. We consider this means that it is a power indicator. > So we set the "default-on" property for it. > > The pingroups the GPIO lines belong to require external regulators be > enabled to be able to drive the GPIO high. These regulators also have > other purposes. However the pin controller does not have bindings for > regulators. Here we just set them to always-on. I guess we should take the opportunity to do just that. We have been deferring this for quite some time now, this is a perfect occasion to do it once and for all :) Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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