mb/google/volteer/var/volet: add G2 touch support
Enable G2 touchscreen support for Volet.
BUG=b:185097280
TEST=emerge-volteer coreboot chromeos-bootimage
Signed-off-by: Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: I907356448b5d5cbf3974717654ea09cd995962f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55835
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/volteer/variants/volet/overridetree.cb b/src/mainboard/google/volteer/variants/volet/overridetree.cb
index c2b6c74..4197980 100644
--- a/src/mainboard/google/volteer/variants/volet/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/volet/overridetree.cb
@@ -71,6 +71,21 @@
register "has_power_resource" = "1"
device i2c 39 on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""GTCH7503""
+ register "generic.desc" = ""G2TOUCH Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)"
+ register "generic.reset_delay_ms" = "50"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 40 on end
+ end
end
device ref i2c2 on
chip drivers/i2c/sx9310