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mb/google/hatch/var/kindred: Add ELAN touchscreen support 

Add ELAN EKTH6918 USI touchsreen support.

BUG=b:131205495 b:127996093
TEST=FW_NAME=kindred emerge-hatch coreboot chromeos-bootimage
     and check touchscreen work.

Change-Id: I8b003685cd7ee68738bcd4298b63a44d6e6118e4
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37236
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
David Wu 2019-11-26 19:16:25 +08:00 committed by Furquan Shaikh
parent c7fc199f40
commit d492f01bf1
1 changed files with 16 additions and 0 deletions
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16
src/mainboard/google/hatch/variants/kindred/overridetree.cb
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@ -145,6 +145,22 @@ chip soc/intel/cannonlake
register "has_power_resource" = "1"
device i2c 39 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN9004""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D9)"
register "generic.enable_delay_ms" = "10"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C4)"
register "generic.stop_delay_ms" = "300"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end
chip drivers/generic/gpio_keys
register "name" = ""PENH""
register "gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_A8)"