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mb/google/hatch: Add new touchscreen option for Kohaku 

The next board rev will have a new option for an Elan touchscreen.  Add
support for this in the devicetree, as well as use the 'probed' property
on both touchscreen options.

BUG=b:141957731
BRANCH=none
TEST=compiles (next board rev not available yet)

Change-Id: I135e693304cbb8dffc0caf4c07846033d6802208
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35944
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Shelley Chen <shchen@google.com>
This commit is contained in:
Tim Wawrzynczak 2019-10-09 14:51:28 -06:00 committed by Shelley Chen
parent d4697a0de7
commit bac8e8d8ac
1 changed files with 16 additions and 0 deletions
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16
src/mainboard/google/hatch/variants/kohaku/overridetree.cb
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@ -179,8 +179,24 @@ chip soc/intel/cannonlake
register "enable_delay_ms" = "1" # 90 ns
register "has_power_resource" = "1"
register "disable_gpio_export_in_crs" = "1"
register "probed" = "1"
device i2c 4b on end
end
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)"
register "probed" = "1"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C12)"
register "enable_delay_ms" = "10"
register "enable_off_delay_ms" = "100"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "reset_delay_ms" = "20"
register "reset_off_delay_ms" = "2"
register "has_power_resource" = "1"
device i2c 10 on end
end
end # I2C #1
device pci 15.2 on