Here is my DTS
&i2c0 {
status = "okay";
gt9xx@5d {
compatible = "goodix,gt9xx", "goodix,gt911";
reg = <0x5d>;
interrupt-parent = <&pio>;
interrupts = <11 IRQ_TYPE_LEVEL_HIGH>; /* EINT0 (PA0) */
irq-gpios = <&pio 0 0 GPIO_ACTIVE_HIGH>; /* PA0 .mul_sel = 0, .pull
= 0, .drv_level = 0, .data = 0 INT (PA0) */
reset-gpios = <&pio 0 1 GPIO_ACTIVE_LOW>; /* RST (PA1) */
pinctrl-names = "default", "int-output-low","int-output-high",
"int-input";
pinctrl-0 = <>;
pinctrl-1 = <>;
pinctrl-2 = <>;
pinctrl-3 = <>;
irq-flags = <2>;
touchscreen-max-id = <11>;
touchscreen-size-x = <480>;
touchscreen-size-y = <800>;
touchscreen-max-w = <1024>;
touchscreen-max-p = <1024>;
goodix,type-a-report = <0>;
goodix,driver-send-cfg = <0>;
goodix,create-wr-node = <1>;
goodix,wakeup-with-reset = <1>;
goodix,resume-in-workqueue = <1>;
goodix,int-sync = <0>;
goodix,swap-x2y = <0>;
goodix,slide-wakeup = <0>;
goodix,esd-protect = <0>;
goodix,auto-update = <0>;
goodix,auto-update-cfg = <0>;
goodix,power-off-sleep = <1>;
goodix,pen-suppress-finger = <0>;
};
On Tuesday, December 1, 2020 at 5:05:33 PM UTC+2 [email protected] wrote:
> My reference to the Programming guide is
>
> https://www.lcd-module.de/fileadmin/eng/pdf/zubehoer/GT911%20Programming%20Guide_20140804_Rev00.pdf
>
> On Tuesday, December 1, 2020 at 5:02:31 PM UTC+2 [email protected] wrote:
>
>>
>> Hello, currently i am working on GT911, 7 inch touchscreen for OrangePi
>> Plus2E, i can successfully work with I2C bus with no problem and
>> successfully assigned INT and RST pins and touches are being detected but
>> it is reporting wrong X/Y values.
>> I am using this driver from GOODIX
>> https://github.com/goodix/gt9xx_driver_android
>> I am using this configuration array which is 800*480 and i want this
>> resolution, max X value is reaching 360 and Y is 600, I tried to manipulate
>> the second to fifth Byte values which are responsible for X/Y axis
>> resolutions but with no luck.
>> here is my array, i would be glad if i got some help, many thanks.
>>
>> #define CTP_CFG_GROUP0 {\
>> 0x43,0x20,0x03,0xE0,0x01,0x0A,0x0D,0x00,0x01,0x2F,\
>> 0x14,0x0F,0x37,0x28,0x03,0x05,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x18,0x1A,0x1E,0x14,0x8C,0x2E,0x0E,\
>> 0x3F,0x3D,0x48,0x09,0x00,0x00,0x00,0xBA,0x02,0x1D,\
>> 0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x1E,0x5A,0x94,0xC5,0x02,0x08,0x00,0x00,0x04,\
>> 0xEE,0x21,0x00,0xC6,0x29,0x00,0xA1,0x34,0x00,0x7C,\
>> 0x41,0x00,0x6E,0x51,0x00,0x64,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x02,0x04,0x06,0x08,0x0A,0x0C,0x0E,0x10,\
>> 0x12,0x14,0x16,0x18,0x1A,0x1C,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x02,0x04,0x06,0x08,0x0A,0x0C,0x0F,\
>> 0x10,0x12,0x13,0x14,0x16,0x18,0x1C,0x1D,0x1E,0x1F,\
>> 0x20,0x21,0x22,0x24,0x26,0x28,0x29,0x2A,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
>> 0x00,0x00,0x00,0x00,0x63,0x01}
>>
>
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