RK3568 GT911触摸屏调试

屏幕规格书

需要主要硬件通信电压为：1.8V或者3.3V

I2C通信的地址：0x5D 和0x40

系统上电时序：不同的地址，稍微有些差异

对应代码中如下：

与RK3568的硬件接口电路

DTS 配置

驱动：RK自带的驱动程序就可以正确工作，不需要新的驱动：gt9xx_android_driver_v2.8.0.2_20171214

其中：WGJ89006B_GT911_Config_20140625_085816_0X43.cfg 文件是通过触摸屏公司提供的，如下：

GT相关，正确启动日志

[    0.745986] Quentin,bus_freq_hz:200000,scl_fall_ns:300,scl_rise_ns:300,sda_hold_ns:0
[    0.746506] goodix_ts_probe() start
[    0.746523]      <<-GTP-FUNC->>       Func:goodix_ts_probe@Line:2691
[    0.746535] <<-GTP-INFO->> GTP Driver Version: V2.2<2014/01/14>
[    0.746546] <<-GTP-INFO->> GTP I2C Address: 0x5d
[    0.746591] Goodix-TS 1-005d: 1-005d supply tp not found, using dummy regulator
[    0.746650] Goodix-TS 1-005d: Linked as a consumer to regulator.0
[    0.770593]      <<-GTP-FUNC->>       Func:gtp_request_io_port@Line:1849
[    0.770620]      <<-GTP-FUNC->>       Func:gtp_reset_guitar@Line:1132
[    0.770626] <<-GTP-ERROR->> Guitar reset
[    0.877222]      <<-GTP-FUNC->>       Func:gtp_i2c_test@Line:1821
[    0.877238]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[    0.877522]      <<-GTP-FUNC->>       Func:gtp_read_version@Line:1782
[    0.877538]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[    0.878045] <<-GTP-INFO->> IC Version: 911_1060
[    0.878058]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[    0.889141] <<-GTP-INFO->>   <gtp_init_panel>_1643    <800, 480>
[    0.889141] 
[    0.889156] <<-GTP-INFO->>   <gtp_init_panel>_1645 
[    0.889156] 
[    0.889163] <<-GTP-INFO->> X_MAX: 800, Y_MAX: 480, TRIGGER: 0x01
[    0.903894] <<-GTP-INFO->> create proc entry gt9xx_config success
[    0.903909]      <<-GTP-FUNC->>       Func:gtp_request_input_dev@Line:2129
[    0.904022] input: goodix-ts as /devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2
[    0.904140]      <<-GTP-FUNC->>       Func:gtp_request_irq@Line:1913
[    0.904154] <<-GTP-DEBUG->> [1914]INT trigger type:1
[    0.904363] <<-GTP-INFO->>   <gtp_request_irq>_1928     ts->irq=110   ret = 0
[    0.904363] 
[    0.904378] <<-GTP-INFO->>   <gtp_request_irq>_1958     ts->irq=110   ret = 0
[    0.904378] 
[    0.904390]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[    0.904402] <<-GTP-INFO->> GTP works in interrupt mode.
[    0.904408]      <<-GTP-FUNC->>       Func:gtp_irq_enable@Line:408
[    0.904618] Quentin,bus_freq_hz:100000,scl_fall_ns:300,scl_rise_ns:1000,sda_hold_ns:0


[   50.123150]      <<-GTP-FUNC->>       Func:goodix_ts_irq_handler@Line:1090
[   50.123179]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[   50.123246]      <<-GTP-FUNC->>       Func:goodix_ts_work_func@Line:626
[   50.123256]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[   50.124024] <<-GTP-DEBUG->> [897]pre_touch:00, finger:81.
[   50.124049] <<-GTP-DEBUG->> [472]ID:0, X:295, Y:437, W:32
[   50.124082]      <<-GTP-FUNC->>       Func:gtp_i2c_write@Line:248
[   50.124315]      <<-GTP-FUNC->>       Func:gtp_irq_enable@Line:408
[   50.135259]      <<-GTP-FUNC->>       Func:goodix_ts_irq_handler@Line:1090
[   50.135291]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[   50.135361]      <<-GTP-FUNC->>       Func:goodix_ts_work_func@Line:626
[   50.135383]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[   50.136114] <<-GTP-DEBUG->> [897]pre_touch:01, finger:81.
[   50.136138] <<-GTP-DEBUG->> [472]ID:0, X:295, Y:437, W:32
[   50.136169]      <<-GTP-FUNC->>       Func:gtp_i2c_write@Line:248
[   50.136397]      <<-GTP-FUNC->>       Func:gtp_irq_enable@Line:408
[   50.147441]      <<-GTP-FUNC->>       Func:goodix_ts_irq_handler@Line:1090
[   50.147469]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[   50.147538]      <<-GTP-FUNC->>       Func:goodix_ts_work_func@Line:626
[   50.147559]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[   50.148291] <<-GTP-DEBUG->> [897]pre_touch:01, finger:81.
[   50.148317] <<-GTP-DEBUG->> [472]ID:0, X:295, Y:437, W:32
[   50.148349]      <<-GTP-FUNC->>       Func:gtp_i2c_write@Line:248
[   50.148577]      <<-GTP-FUNC->>       Func:gtp_irq_enable@Line:408
[   50.159680]      <<-GTP-FUNC->>       Func:goodix_ts_irq_handler@Line:1090
[   50.159714]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[   50.159756]      <<-GTP-FUNC->>       Func:goodix_ts_work_func@Line:626
[   50.159764]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[   50.160500] <<-GTP-DEBUG->> [897]pre_touch:01, finger:81.
[   50.160516] <<-GTP-DEBUG->> [472]ID:0, X:290, Y:438, W:32
[   50.160592]      <<-GTP-FUNC->>       Func:gtp_i2c_write@Line:248
[   50.160831]      <<-GTP-FUNC->>       Func:gtp_irq_enable@Line:408
[   50.171806]      <<-GTP-FUNC->>       Func:goodix_ts_irq_handler@Line:1090
[   50.171828]      <<-GTP-FUNC->>       Func:gtp_irq_disable@Line:385
[   50.171893]      <<-GTP-FUNC->>       Func:goodix_ts_work_func@Line:626
[   50.171903]      <<-GTP-FUNC->>       Func:gtp_i2c_read@Line:175
[   50.172606] <<-GTP-DEBUG->> [897]pre_touch:01, finger:81.

GT相关，错误启动日志：<<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6 原因在下面

[ 0.730772] <<GTP-INF>>[gt1x_ts_probe:537] GTP Driver Version: V1.4<2015/07/10>
[ 0.730798] <<GTP-INF>>[gt1x_ts_probe:538] GTP I2C Address: 0x14
[ 0.730856] <<GTP-ERR>>[gt1x_parse_dt:334] vdd_ana not specified, fallback to power-supply
[ 0.730929] Goodix-TS-GT1X 1-0014: Linked as a consumer to regulator.7
[ 0.730994] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!
[ 0.731180] i2c i2c-4: 1 i2c clients have been registered at 0x36
[ 0.731801] gsensor_mxc6655 5-0015: sensor_register_device: gs_mxc6655xa, id = 24
[ 0.731812] i2c i2c-5: sensor_probe: gs_mxc6655xa,000000007e31acb1
[ 0.802485] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6)
[ 0.802500] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!
[ 0.802505] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!
[ 0.872481] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6)
[ 0.872495] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!
[ 0.872500] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!
[ 0.942479] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6)
[ 0.942494] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!
[ 0.942499] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!
[ 1.012471] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6)
[ 1.012486] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!
[ 1.012492] <<GTP-INF>>[gt1x_reset_guitar:784] GTP RESET!
[ 1.082477] <<GTP-ERR>>[_do_i2c_write:430] I2c transfer error! (-6)
[ 1.082491] <<GTP-ERR>>[gt1x_init:2315] Reset guitar failed!
[ 1.082497] <<GTP-ERR>>[gt1x_init:2341] Init failed, use default setting
[ 1.082655] <<GTP-ERR>>[_do_i2c_read:388] I2c Transfer error! (-6)
[ 1.082670] <<GTP-ERR>>[gt1x_get_chip_type:891] I2c communication error.
[ 1.082681] <<GTP-ERR>>[gt1x_init:2351] Get chip type failed!
[ 1.082844] <<GTP-ERR>>[_do_i2c_read:388] I2c Transfer error! (-6)
[ 1.082858] <<GTP-ERR>>[gt1x_read_version:841] Read version failed!
[ 1.189156] <<GTP-ERR>>[_do_i2c_read:388] I2c Transfer error! (-6)
[ 1.189170] <<GTP-ERR>>[gt1x_read_version:841] Read version failed!
[ 1.295812] <<GTP-ERR>>[_do_i2c_read:388] I2c Transfer error! (-6)
[ 1.295826] <<GTP-ERR>>[gt1x_read_version:841] Read version failed!
[ 1.313776] gsensor_mxc6655 5-0015: sensor_chip_init:fail to read gs_mxc6655xa devid:0xf
[ 1.313794] i2c i2c-5: sensor_probe failed -2

错误主I2C波形：下面都是错误的：

下面是硬件更改之后，抓的数据，下面是正确的：

LInux中相关的调试信息：

rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2/id # cat version
28bb
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2/id # cat ve
vendor version
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2/id # cat vendor
dead
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2/id # cat bustype
0018
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2/id # cd ..
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2 # ls
capabilities device event2 id modalias name phys power properties subsystem uevent uniq
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2 # cat name
goodix-ts
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input/input2 # cd ..
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/input # cd ..
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # ls
driver input modalias name of_node power subsystem uevent
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # ls -al
total 0
drwxr-xr-x 4 root root 0 2022-12-12 03:26 .
drwxr-xr-x 5 root root 0 2022-12-12 03:26 ..
lrwxrwxrwx 1 root root 0 2022-12-12 03:30 driver -> ../../../../../bus/i2c/drivers/Goodix-TS
drwxr-xr-x 3 root root 0 2022-12-12 03:30 input
-r--r--r-- 1 root root 4096 2022-12-12 03:30 modalias
-r--r--r-- 1 root root 4096 2022-12-12 03:30 name
lrwxrwxrwx 1 root root 0 2022-12-12 03:30 of_node -> ../../../../../firmware/devicetree/base/i2c@fe5a0000/gt9xx@5d
drwxr-xr-x 2 root root 0 2022-12-12 03:30 power
lrwxrwxrwx 1 root root 0 2022-12-12 03:30 subsystem -> ../../../../../bus/i2c
-rw-r--r-- 1 root root 4096 2022-12-12 03:30 uevent
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # cat name
gt9xx
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d #
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # ls
driver input modalias name of_node power subsystem uevent
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # cat modalias
of:Ngt9xxT<NULL>Cgoodix,gt9xx
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d #
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # ls
driver input modalias name of_node power subsystem uevent
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d # cd driver/
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/driver # ls
1-005d bind uevent unbind
rk3568_s:/sys/devices/platform/fe5a0000.i2c/i2c-1/1-005d/driver # ls -al
total 0
drwxr-xr-x 2 root root 0 2022-12-12 03:38 .
drwxr-xr-x 87 root root 0 2022-12-12 03:38 ..
lrwxrwxrwx 1 root root 0 2022-12-12 03:38 1-005d -> ../../../../devices/platform/fe5a0000.i2c/i2c-1/1-005d
--w------- 1 root root 4096 2022-12-12 03:38 bind
--w------- 1 root root 4096 2022-12-12 03:38 uevent
--w------- 1 root root 4096 2022-12-12 03:38 unbind