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-rw-r--r--src/mainboard/google/dedede/variants/cret/overridetree.cb18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb
index 258632204b..82002e45a8 100644
--- a/src/mainboard/google/dedede/variants/cret/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb
@@ -147,6 +147,24 @@ chip soc/intel/jasperlake
register "has_power_resource" = "1"
device i2c 10 on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN900C""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)"
+ register "generic.reset_delay_ms" = "6"
+ register "generic.stop_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
+ register "generic.stop_delay_ms" = "300"
+ register "generic.enable_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+ register "generic.enable_delay_ms" = "6"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 16 on end
+ end
end # I2C 2
device pci 15.3 off end # I2C 3
device pci 1c.7 on end