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mb/google/kahlee: Add Grunt touchscreen support 

This commit adds support for an Elan touchscreen device connected over
I2C via devicetree.

BUG=b:72121803
TEST=Confirm the device is probed for.

Change-Id: Ia9e427dbeab9088f77e3cd751b561f7b9a8cb400
Signed-off-by: Justin TerAvest <teravest@chromium.org>
Reviewed-on: https://review.coreboot.org/23408
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Justin TerAvest 2018-01-18 15:51:39 -08:00 committed by Aaron Durbin
parent 9a045cf203
commit d861d4e7c3
1 changed files with 8 additions and 0 deletions
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8
src/mainboard/google/kahlee/variants/grunt/devicetree.cb
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@ -81,4 +81,12 @@ chip soc/amd/stoneyridge
device pci 18.4 on end
device pci 18.5 on end
end #domain
device mmio 0xfedc5000 on
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_11)"
device i2c 10 on end
end
end
end #chip soc/amd/stoneyridge