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mb/google/drallion: Add second touch pad support 

Add second source touch pad with i2c address 0x15.

BUG=b:142629138
BRANCH=N/A
TEST=check new touch pad can work properly

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Icc58dbcf307f11c368a1a5408f32111ed5841d39
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36501
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Reviewed-by: Mathew King <mathewk@chromium.org>
This commit is contained in:
Eric Lai 2019-10-31 17:22:05 +08:00 committed by Patrick Georgi
parent 55e5cb8d4e
commit 7aed33e95e
1 changed files with 7 additions and 0 deletions
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7
src/mainboard/google/drallion/variants/drallion/devicetree.cb
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@ -373,6 +373,13 @@ chip soc/intel/cannonlake
register "probed" = "1" register "probed" = "1"
device i2c 2c on end device i2c 2c on end
end end
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_B3_IRQ)"
register "probed" = "1"
device i2c 15 on end
end
end # I2C #1 end # I2C #1
device pci 15.2 off end # I2C #2 device pci 15.2 off end # I2C #2
device pci 15.3 off end # I2C #3 device pci 15.3 off end # I2C #3