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google/snappy: Add Raydium touch screen support 

Current coreboot does not create ACPI device for OS to recognize Raydium
touchscreen.

List the touch screen in the devicetree so that the correct ACPI device
are created.

BUG=b:64821783
BRANCH=reef
TEST=emerge-snappy coreboot
Change-Id: I8852e38f01f82b80c2c9718b93baf5894dbd745b
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/21083
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Kevin Chiu 2017-08-18 15:07:43 +08:00 committed by Aaron Durbin
parent 215beb028b
commit a9117770e9
1 changed files with 7 additions and 0 deletions
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7
src/mainboard/google/reef/variants/snappy/devicetree.cb
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@ -200,6 +200,13 @@ chip soc/intel/apollolake
register "probed" = "1"
device i2c 34 on end
end
chip drivers/i2c/generic
register "hid" = ""RAYD0001""
register "desc" = ""Raydium Touchscreen""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_21_IRQ)"
register "probed" = "1"
device i2c 39 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""WDHT0002""
register "generic.desc" = ""WDT Touchscreen""