18c2ecf20Sopenharmony_ciAltera UP PS/2 controller 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci- compatible : should be "ALTR,ps2-1.0". <DEPRECATED> 58c2ecf20Sopenharmony_ci- compatible : should be "altr,ps2-1.0". 6