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-rw-r--r--src/mainboard/google/hatch/variants/kohaku/overridetree.cb16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/kohaku/overridetree.cb b/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
index bd60973497..55ac071be5 100644
--- a/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/kohaku/overridetree.cb
@@ -179,8 +179,24 @@ chip soc/intel/cannonlake
register "enable_delay_ms" = "1" # 90 ns
register "has_power_resource" = "1"
register "disable_gpio_export_in_crs" = "1"
+ register "probed" = "1"
device i2c 4b on end
end
+
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0001""
+ register "desc" = ""ELAN Touchscreen""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)"
+ register "probed" = "1"
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C12)"
+ register "enable_delay_ms" = "10"
+ register "enable_off_delay_ms" = "100"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
+ register "reset_delay_ms" = "20"
+ register "reset_off_delay_ms" = "2"
+ register "has_power_resource" = "1"
+ device i2c 10 on end
+ end
end # I2C #1
device pci 15.2 on