Patrick Georgi submitted this change.

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mb/google/dedede/var/drawcia: add elan touchscreen

BUG=b:155002684
TEST=build drawcia, and check touchscreen can work

Change-Id: Ib6a190d2f6fc5132af0e58c6df9919381e88f699
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42923
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
---
M src/mainboard/google/dedede/variants/drawcia/overridetree.cb
1 file changed, 14 insertions(+), 0 deletions(-)

diff --git a/src/mainboard/google/dedede/variants/drawcia/overridetree.cb b/src/mainboard/google/dedede/variants/drawcia/overridetree.cb
index a92dbdb..3b67510 100644
--- a/src/mainboard/google/dedede/variants/drawcia/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/drawcia/overridetree.cb
@@ -47,5 +47,19 @@
 				device i2c 15 on end
 			end
 		end #I2C 0
+		device pci 15.2 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0001""
+				register "desc" = ""ELAN Touchscreen""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)"
+				register "probed" = "1"
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)"
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
+				device i2c 10 on end
+			end
+		end # I2C 2
 	end
 end

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