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mb/google/sarien/variants/sarien: Enable Elan touchscreen

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Eanble Elan touch for sarien EVT build

BUG=b:119763054
BRANCH=master
TEST=Verify touchscreen on sarien works with this change.

Signed-off-by: Chris Zhou <chris_zhou@compal.corp-partner.google.com>
Change-Id: I790436338705fc9d68f714245e9b9bb518ddb30a
Reviewed-on: https://review.coreboot.org/c/31413
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Chris Zhou
2019-02-14 17:56:07 +08:00
committed by Duncan Laurie
parent ccb53e1817
commit 391709154c
1 changed files with 13 additions and 0 deletions
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13
src/mainboard/google/sarien/variants/sarien/devicetree.cb
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@@ -235,6 +235,19 @@ chip soc/intel/cannonlake
register "hid_desc_reg_offset" = "0x0"
device i2c 10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN900C""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)"
register "generic.probed" = "1"
register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)"
register "generic.enable_delay_ms" = "5"
register "generic.enable_off_delay_ms" = "100"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end
end # I2C #0
device pci 15.1 on
chip drivers/i2c/generic