[S] Change in coreboot[main]: mb/google/brox: Enable Elan trackpad

[Shelley Chen (Code Review)]

Shelley Chen has submitted this change. ( https://review.coreboot.org/c/coreboot/+/79892?usp=email )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/brox: Enable Elan trackpad
......................................................................

mb/google/brox: Enable Elan trackpad

BUG=b:311450057,b:300690448
BRANCH=None
TEST=to be tested on a device with i2cdetect

Change-Id: If6da1c722e87a50c6d422b300f16a52d884fa08f
Signed-off-by: Shelley Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79892
Tested-by: build bot (Jenkins) 
Reviewed-by: Nick Vaccaro 
---
M src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
1 file changed, 10 insertions(+), 0 deletions(-)

Approvals:
  Nick Vaccaro: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
index 552164a..f824473 100644
--- a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
+++ b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
@@ -168,6 +168,16 @@
    			device generic 0 on end
    		end
    	end
+		device ref i2c0 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_E3_IRQ)"
+				register "wake" = "GPE0_DW2_03"
+				register "detect" = "1"
+				device i2c 0x15 on end
+			end
+		end #I2C0
    	device ref i2c4 on
    		chip drivers/i2c/tpm
    			register "hid" = ""GOOG0005""