JZ4770_GPIO_PAT1
reg1 = JZ4770_GPIO_PAT1;
ingenic_get_pin_config(jzpc, pin, JZ4770_GPIO_PAT1))
ingenic_shadow_config_pin(jzpc, pin, JZ4770_GPIO_PAT1, func & 0x2);
ingenic_config_pin(jzpc, pin, JZ4770_GPIO_PAT1, func & 0x2);
ingenic_shadow_config_pin(jzpc, pin, JZ4770_GPIO_PAT1, input);
ingenic_config_pin(jzpc, pin, JZ4770_GPIO_PAT1, input);