diff options
| author | Hans de Goede | 2021-05-04 20:57:45 +0200 |
|---|---|---|
| committer | Hans de Goede | 2021-05-20 15:17:24 +0200 |
| commit | fcd8cf0e3e48f4c66af82c8e799c37cb0cccffe0 (patch) | |
| tree | 2ccaf8b591f48efecfd0ccc29fdbe48c44a887db /drivers/platform | |
| parent | a22e3803f2a4d947ff0083a9448a169269ea0f62 (diff) | |
platform/x86: touchscreen_dmi: Add info for the Goodix GT912 panel of TM800A550L tablets
The Bay Trail Glavey TM800A550L tablet, which ships with Android installed
from the factory, uses a GT912 touchscreen controller which needs to have
its firmware uploaded by the OS to work (this is a first for a x86 based
device with a Goodix touchscreen controller).
Add a touchscreen_dmi entry for this which specifies the filenames
to use for the firmware and config files needed for this.
Note this matches on a GDIX1001 ACPI HID, while the original DSDT uses
a HID of GODX0911. For the touchscreen to work on these devices a DSDT
override is necessary to fix a missing IRQ and broken GPIO settings in
the ACPI-resources for the touchscreen. This override also changes the
HID to the standard GDIX1001 id typically used for Goodix touchscreens.
The DSDT override is available here:
https://fedorapeople.org/~jwrdegoede/glavey-tm800a550l-dsdt-override/
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210504185746.175461-5-hdegoede@redhat.com
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/touchscreen_dmi.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 08ec61660b3c..d2bbec310726 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -290,6 +290,18 @@ static const struct ts_dmi_data gdix1001_01_upside_down_data = { .properties = gdix1001_upside_down_props, }; +static const struct property_entry glavey_tm800a550l_props[] = { + PROPERTY_ENTRY_STRING("firmware-name", "gt912-glavey-tm800a550l.fw"), + PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-glavey-tm800a550l.cfg"), + PROPERTY_ENTRY_U32("goodix,main-clk", 54), + { } +}; + +static const struct ts_dmi_data glavey_tm800a550l_data = { + .acpi_name = "GDIX1001:00", + .properties = glavey_tm800a550l_props, +}; + static const struct property_entry gp_electronic_t701_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 960), PROPERTY_ENTRY_U32("touchscreen-size-y", 640), @@ -1020,6 +1032,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"), }, }, + { /* Glavey TM800A550L */ + .driver_data = (void *)&glavey_tm800a550l_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS version */ + DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"), + }, + }, { /* GP-electronic T701 */ .driver_data = (void *)&gp_electronic_t701_data, |