Change in coreboot[master]: mb/google/dedede/var/storo: Enable ELAN touchpad

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/50979 )

Change subject: mb/google/dedede/var/storo: Enable ELAN touchpad
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mb/google/dedede/var/storo: Enable ELAN touchpad

Add ELAN touchpad into devicetree for storo.

BUG=b:177393444
BRANCH=dedede
TEST=built storo firmware and verified touchpad function

Change-Id: I95780d23b9ea5425d7762e850c25fd14d8a9caf4
Signed-off-by: chenzanxi 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50979
Reviewed-by: Karthik Ramasubramanian 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/dedede/variants/storo/overridetree.cb
1 file changed, 10 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/mainboard/google/dedede/variants/storo/overridetree.cb b/src/mainboard/google/dedede/variants/storo/overridetree.cb
index 404024b..a92dbdb 100644
--- a/src/mainboard/google/dedede/variants/storo/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/storo/overridetree.cb
@@ -37,6 +37,15 @@
    }"

device domain 0 on
-		device pci 15.0 on end
+		device pci 15.0 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_B3_IRQ)"
+				register "wake" = "GPE0_DW0_03"
+				register "probed" = "1"
+				device i2c 15 on end
+			end
+		end #I2C 0
    end
 end