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mb/google/poppy/variants/atlas: support i2c-hid trackpad

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We plan to use i2c-hid compatible trackpads on atlas, so this switches
the trackpad config to i2c-hid.

BUG=b:80662079
BRANCH=none
TEST=used trackpad to verify motion tracking

Change-Id: I2702e61a6aa96250c0c09ea4bd15d0c671eedadc
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://review.coreboot.org/27126
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Caveh Jalali 2018-06-15 20:45:29 -07:00 committed by Furquan Shaikh
parent 5bf6347cf8
commit e750198528
1 changed files with 6 additions and 6 deletions
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12
src/mainboard/google/poppy/variants/atlas/devicetree.cb
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@ -261,12 +261,12 @@ chip soc/intel/skylake
device pci 15.0 on end # I2C #0 - Touchscreen
device pci 15.1 off end # I2C #1
device pci 15.2 on
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A19_IRQ)"
register "wake" = "GPE0_DW0_23" # GPP_A23
register "probed" = "1" # may not be present
chip drivers/i2c/hid
register "generic.hid" = ""ACPI0C50""
register "generic.desc" = ""ELAN Touchpad""
register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_A19_IRQ)"
register "generic.wake" = "GPE0_DW0_23" # GPP_A23
register "hid_desc_reg_offset" = "0x01"
device i2c 0x15 on end
end
end # I2C #2 - Trackpad