I'm hoping some of you guys can help me with the project I'm working on.
I have an ilitek 2130 i2c based touchpanel that I'm trying to use with my Android dev kit.
This is what I've done so far:
- i've found the official android driver from the link below: http://211.72.159.212/AP/Service/TPDriver.nsf/($All)/C9534A874FEA134648257E340034A208/$File/Linux_I2CDriver_ITS_V5_9_2_0.zip
• Updated the trinket-idp.dtsi to add the following:
ilitek@41 {
compatible = "tchip,ilitek";
reg = <0x41>;
interrupt-parent = <&tlmm>;
interrupts = <88 0x2008>;
vdd_ana-supply = <&eldo1>;
vcc_i2c-supply = <&L12A>;
ilitek,irq-gpio = <&tlmm 88 0x2008>;
ilitek,reset-gpio = <&tlmm 87 0x0>;
ilitek,vbus = "vcc_i2c";
ilitek,vdd = "vdd";
ilitek,name = "ilitek_i2c";
pinctrl-names = "pmx_ts_active","pmx_ts_suspend";
pinctrl-0 = <&ts_int_active &ts_reset_active>;
pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>;
};
• Copied the contents of the driver folder to …/input/touchscreen folder name ilitek_i2c and created a Kconfig file
config TOUCHSCREEN_ILITEK
bool "Ilitek Touchscreen"
depends on I2C
default n
help
Say Y here if you have Ilitek touch panel.
If unsure, say N.
config TOUCHSCREEN_FTS_DIRECTORY
string "Ilitek ts directory name"
default "ilitek_i2c"
depends on TOUCHSCREEN_ILITEK
• Modified the make and Kconfig in …/input/touchscreen to add the following lines
config CONFIG_TOUCHSCREEN_ILITEK
bool "Ilitek Touchscreen"
depends on I2C
help
Say Y here if you have a Ilitek Touchscreen.
If unsure, say N.
source "drivers/input/touchscreen/ilitek_i2c/Kconfig"
endif
added line to makefile
obj-$(CONFIG_TOUCHSCREEN_ILITEK) += ilitek_i2c/
• Compiled and built but it still didn’t work.
Note that the i2c 1 port is already setup, as this is what the default touch panel uses. the address of the touch panel I want to use is being detected when I invoke i2cdetect via adb shell on the android device.
Am I missing anything else that requires modifying? what's the usual steps when installing i2c touch panel drivers on android?
Thank you for your time and efforts.
