Configuring the Touchscreen

root {                                                              
    input_config {
        touchConfig {
            touch0 {                                                 // Configure the first touchscreen.
                boardConfig {                                        // Specify the board-level hardware information.
                    match_attr = "touch_device1";                    // Keep this value the same as the match_attr field in the private configuration data of the input common driver in the device description.
                    inputAttr {
                        /* 0:touch 1:key 2:keyboard 3:mouse 4:button 5:crown 6:encoder */
                        inputType = 0;                               // Set the input type to touch.
                        solutionX = 480;                             // Set the resolution in the X-axis.
                        solutionY = 960;                             // Set the resolution in the Y-axis.
                        devName = "main_touch";                      // Set the device name.
                    }
                    busConfig {
                        /* 0:i2c 1:spi */
                        busType = 0;                                 // GT911 uses the I2C bus for communication.
                        busNum = 6;                                  // Use the sixth bus of the chip to communicate with the development board through I2C.
                        clkGpio = 86;                                // Set the SCL pin of the chip.
                        dataGpio = 87;                               // Set the SDA pin of the chip.
                        i2cClkIomux = [0x114f0048, 0x403];           // Configure the SCL pin information.
                        i2cDataIomux = [0x114f004c, 0x403];          // Configure the SDA pin information.
                    }
                    pinConfig {
                        rstGpio = 3;                                 // Set the reset pin.
                         intGpio = 4;                                 // Set the interrupt pin.
                        rstRegCfg = [0x112f0094, 0x400];             // Configure the reset pin information.
                        intRegCfg = [0x112f0098, 0x400];             // Configure the interrupt pin information.
                    }
                    powerConfig {
                        /* Value 0 indicates that power supply is not used; value 1 indicates the LDO power supply; value 2 indicates the GPIO power supply; value 3 indicates the PMIC power supply. */
                        vccType = 2;                                  // Set the VCC type. Value 2 indicates the GPIO power supply.
                        vccNum = 20;                                  // Set the VCC number. The GPIO number is 20.
                        vccValue = 1800;                              // Set the voltage amplitude to 1800 mV.
                        vciType = 1;                                  // Set the VCI type. Value 1 indicates the LDO power supply.
                        vciNum = 12;                                  // Set the VCI number. The LDO number is 12.
                        vciValue = 3300;                              // Set the voltage amplitude to 3300 mV.
                    }

                    featureConfig {
                        capacitanceTest = 0;                          // Configure the capacitance test.
                        gestureMode = 0;                              // Configure the gesture mode.
                        gloverMode = 0;                               // Configure the gloves mode.
                        coverMode = 0;                                // Configure the cover mode.
                        chargerMode = 0;                              // Configure the charging mode.
                        knuckleMode = 0;                              // Configure the knuckle mode.
                    }
                }
                chipConfig {                                          // Configure the private data of the touchscreen chip.
                    template touchChip {                              // Template
                        match_attr = "";
                        chipName = "gt911";                           // Set the touchscreen IC model.
                        vendorName = "zsj";                           // Set the vendor name.
                        chipInfo = "AAAA11222";                       // The first four characters indicate the product name. The fifth and sixth characters indicate the IC model. The last three characters indicate the chip model.
                        busType = 0;                                  // 0 indicates the I2C bus, and 1 indicates the SPI bus.
                        deviceAddr = 0x5D;                            // Set the IC communication address.
                        irqFlag = 2;                                  // Values 1 and 2 indicate that the interrupt is triggered on the rising and falling edges, respectively. Values 4 and 8 indicate that the interrupt is triggered by the high and low levels, respectively.
                        maxSpeed = 400;                               // Set the maximum communication rate to 400 Hz.
                        chipVersion = 0;                              // Set the touchscreen IC version.
                        powerSequence {
                             /* Power-on sequence is described as follows:
                               [Type, status, direction, delay]
                               <type> Value 0 indicates the power or pin is empty. Values 1 and 2 indicate the VCC (1.8 V) and VCI (3.3 V) power, respectively. Values 3 and 4 indicate the reset and interrupt pins, respectively.
                               <status> Values 0 and 1 indicate the power-off or pull-down, and the power-on or pull-up, respectively. Value 2 indicates that no operation is performed.
                               <dir> Values 0 and 1 indicate the input and output directions, respectively. Value 2 indicates that no operation is performed.
                               <delay> Delay time, in milliseconds.
                             */
                            powerOnSeq = [4, 0, 1, 0,                 // Set the output direction for the interrupt pin and pull down the pin.
                                         3, 0, 1, 10,                 // Set the output direction for the reset pin and pull down the pin, with a delay of 10 ms.
                                         3, 1, 2, 60,                 // No operation is performed on the reset pin. Pull up the pin, with a delay of 60 ms.
                                         4, 2, 0, 0];                 // Set the input direction for the interrupt pin.
                            suspendSeq = [3, 0, 2, 10];               // No operation is performed on the reset pin. Pull down the pin, with a delay of 10 ms.
                            resumeSeq = [3, 1, 2, 10];                // No operation is performed on the reset pin. Pull up the pin, with a delay of 10 ms.
                            powerOffSeq = [3, 0, 2, 10,               // No operation is performed on the reset pin. Pull down the pin, with a delay of 10 ms.
                                           1, 0, 2, 20];              // No operation is performed on the positive pin. Pull down the pin, with a delay of 20 ms.
                        }
                    }

                    chip0 :: touchChip {
                        match_attr = "zsj_gt911_5p5";                 // Keep this value the same as the match_attr field in the touchscreen private configuration data in the device description.
                        chipInfo = "ZIDN45100";                       // The chip information is composed of the product name, module number, and chip number, used to identity the current touchscreen in user space.
                        chipVersion = 0;                              // IC model version
                    }
                }
            }
        }
    }
}