* Tegra keyboard controller

Required properties:
- compatible: "nvidia,tegra20-kbc"

Optional properties:
- debounce-delay: delay in milliseconds per row scan for debouncing
- repeat-delay: delay in milliseconds before repeat starts
- ghost-filter: enable ghost filtering for this device
- wakeup-source: configure keyboard as a wakeup source for suspend/resume

Example:

keyboard: keyboard {
	compatible = "nvidia,tegra20-kbc";
	reg = <0x7000e200 0x100>;
	ghost-filter;
};