Add new MIPI DSI panel support for VIM3 (480x480)

numbqq · October 19, 2023, 6:33am

About the resolution, you can try to enable GTP_CUSTOM_CFG and setup your resolution.

khadas/linux/blob/khadas-vims-4.9.y/drivers/amlogic/input/touchscreen/gt9xx/gt9xx.c#L1488


      
          
          
			if (flash_cfg_version < 90 && flash_cfg_version > drv_cfg_version) {
          				config[GTP_ADDR_LENGTH] = 0x00;
          			}
          	    } else {
          	        GTP_ERROR("Failed to get ic config version!No config sent!");
          	        return -1;
          	    }
          	}
          
          
#if GTP_CUSTOM_CFG
              config[RESOLUTION_LOC]     = (u8)GTP_MAX_WIDTH;
              config[RESOLUTION_LOC + 1] = (u8)(GTP_MAX_WIDTH>>8);
              config[RESOLUTION_LOC + 2] = (u8)GTP_MAX_HEIGHT;
              config[RESOLUTION_LOC + 3] = (u8)(GTP_MAX_HEIGHT>>8);
          
          
    if (GTP_INT_TRIGGER == 0)  //RISING
              {
                  config[TRIGGER_LOC] &= 0xfe;
              }
              else if (GTP_INT_TRIGGER == 1)  //FALLING