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-rw-r--r--src/mainboard/google/brya/variants/redrix/overridetree.cb19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb
index 67db30a4ad..ea922e0b2a 100644
--- a/src/mainboard/google/brya/variants/redrix/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb
@@ -25,6 +25,10 @@ fw_config
option CAMERA_OV5675 1
option CAMERA_HI556 2
end
+ field TP_SOURCE 40 41
+ option ELAN0000 0
+ option ELAN2703 1
+ end
end
chip soc/intel/alderlake
register "SaGv" = "SaGv_Enabled"
@@ -364,7 +368,20 @@ chip soc/intel/alderlake
register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
register "wake" = "GPE0_DW2_14"
register "probed" = "1"
- device i2c 15 on end
+ device i2c 15 on
+ probe TP_SOURCE ELAN0000
+ end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN2703""
+ register "generic.desc" = ""ELAN Touchpad""
+ register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
+ register "generic.wake" = "GPE0_DW2_14"
+ register "generic.probed" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 15 on
+ probe TP_SOURCE ELAN2703
+ end
end
end
device ref gspi1 on