Kevin Chiu has uploaded this change for review. ( https://review.coreboot.org/21067
Change subject: google/snappy: Add MELFAS touch screen support ......................................................................
google/snappy: Add MELFAS touch screen support
Current fw does not create ACPI device for OS to recognize MELFAS touchscreen.
List the touch screen in the devicetree so that the correct ACPI device are created.
BUG=b:64779224 BRANCH=reef TEST=emerge-snappy coreboot Change-Id: If2bc910d641e0cf2b120ed883c5788542959f568 Signed-off-by: Kevin Chiu Kevin.Chiu@quantatw.com --- M src/mainboard/google/reef/variants/snappy/devicetree.cb 1 file changed, 7 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/67/21067/1
diff --git a/src/mainboard/google/reef/variants/snappy/devicetree.cb b/src/mainboard/google/reef/variants/snappy/devicetree.cb index d888896..e0182dd 100644 --- a/src/mainboard/google/reef/variants/snappy/devicetree.cb +++ b/src/mainboard/google/reef/variants/snappy/devicetree.cb @@ -193,6 +193,13 @@ register "has_power_resource" = "1" device i2c 10 on end end + chip drivers/i2c/generic + register "hid" = ""MLFS0000"" + register "desc" = ""Melfas Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_21_IRQ)" + register "probed" = "1" + device i2c 34 on end + end chip drivers/i2c/hid register "generic.hid" = ""WDHT0002"" register "generic.desc" = ""WDT Touchscreen""