On Wed, Feb 06, 2019 at 11:32:30AM +0800, Chen-Yu Tsai wrote: > Hi everyone, > > On the Allwinner A80, the PIO pin controller includes configuration > registers to set the I/O voltage. These must match the actual voltage > provided externally. A mismatch results in signals not being passed > through. > > With the new PIO pin-bank regulator supply support in place, we can > tack on support for setting up these registers. > > This in turn allows us to enable the GMAC, which runs at a reduced > 2.5V for RGMII, instead of the standard 3.0V or 3.3V. > > Please have a look. Applied the patches 2-9, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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