Hi Jon/Thierry, On Thursday 12 May 2016 05:51 PM, Laxman Dewangan wrote:
The IO pins of Tegra SoCs are grouped for common control of IO interface like setting voltage signal levels and power state of the interface. The group is generally referred as IO pads. The power state and voltage control of IO pins can be done at IO pads level. Tegra124 onwards IO pads support the power down state when system is active. The voltage levels on IO pads are auto detected on Tegra124/ Tegra132 but it is not in Tegra210. For Tegra210, the SW need to explicitly configure the voltage levels of IO pads This series add the interface for the IO pad power state and voltage configurations. Modifies the client to use new APIs. Register the child devices to provide the client interface to configure IO pads power state and voltage from Device tree.
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