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authorHans de Goede <hdegoede@redhat.com>2021-05-04 20:57:45 +0200
committerHans de Goede <hdegoede@redhat.com>2021-05-20 15:17:24 +0200
commitfcd8cf0e3e48f4c66af82c8e799c37cb0cccffe0 (patch)
tree2ccaf8b591f48efecfd0ccc29fdbe48c44a887db /drivers/platform
parenta22e3803f2a4d947ff0083a9448a169269ea0f62 (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.c21
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,