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authorKevin Chiu <Kevin.Chiu@quantatw.com>2017-08-18 15:07:43 +0800
committerAaron Durbin <adurbin@chromium.org>2017-08-21 16:40:40 +0000
commita9117770e93c51edd24fc1018a6cc6e66d85de64 (patch)
tree86ba890c43964fea72c95adb4f643944d0a4f964 /src/mainboard/google/reef/variants
parent215beb028bf9ce3eb2301cc6208eb2a33547ea18 (diff)
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>
Diffstat (limited to 'src/mainboard/google/reef/variants')
-rw-r--r--src/mainboard/google/reef/variants/snappy/devicetree.cb7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/variants/snappy/devicetree.cb b/src/mainboard/google/reef/variants/snappy/devicetree.cb
index 4bb9b51d01..5d2860346b 100644
--- a/src/mainboard/google/reef/variants/snappy/devicetree.cb
+++ b/src/mainboard/google/reef/variants/snappy/devicetree.cb
@@ -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""