mb/google/dedede/var/sasukette: Enable ELAN touchpad
Add ELAN touchpad into devicetree for sasukette.
BUG=b:188376649
BRANCH=dedede
TEST=built sasukette firmware and verified touchpad function
Signed-off-by: lizhi7 <lizhi7@huaqin.corp-partner.google.com>
Change-Id: I898aeda936eb10ef4ead679a1c087060fad71a08
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54369
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Weimin Wu <wuweimin@huaqin.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
index 8d1b95b..cb4c78f 100644
--- a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
@@ -127,6 +127,14 @@
register "hid_desc_reg_offset" = "0x20"
device i2c 2c on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN0000""
+ register "generic.desc" = ""ELAN Touchpad""
+ register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_B3_IRQ)"
+ register "generic.wake" = "GPE0_DW0_03"
+ register "generic.probed" = "1"
+ device i2c 15 on end
+ end
end #I2C 0
device pci 19.0 on
chip drivers/i2c/generic