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google/reef: Enable touchscreen in ACPI 

Add support for ELAN touchscreen on I2C3.

Change-Id: Id8b07a3a3fd4beca0d7ce804ba8d6859275c70d9
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15499
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh 2016-07-12 13:44:52 -07:00 committed by Martin Roth
parent f0416edc63
commit bb6af29470
1 changed files with 8 additions and 1 deletions
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9
src/mainboard/google/reef/devicetree.cb
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@ -92,7 +92,14 @@ chip soc/intel/apollolake
end end
device pci 16.1 on end # - I2C 1 device pci 16.1 on end # - I2C 1
device pci 16.2 on end # - I2C 2 device pci 16.2 on end # - I2C 2
device pci 16.3 on end # - I2C 3 device pci 16.3 on
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)"
device i2c 10 on end
end
end # - I2C 3
device pci 17.0 on device pci 17.0 on
chip drivers/i2c/generic chip drivers/i2c/generic
register "hid" = ""ELAN0000"" register "hid" = ""ELAN0000""