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

Add ELAN EKTH6915 USI touchsreen support.

BUG=b:139392144
TEST=check touchscreen work, and confirmed power sequence with vendor.

Change-Id: I8ebc067bbb407498de00ea0b6c23b0848023cffe
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36125
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Wisley Chen 2019-10-18 15:15:01 +08:00 committed by Patrick Georgi
parent e2fafc0c8c
commit ad4bf675ec
1 changed files with 16 additions and 0 deletions
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16
src/mainboard/google/hatch/variants/dratini/overridetree.cb
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@ -109,6 +109,22 @@ chip soc/intel/cannonlake
register "hid_desc_reg_offset" = "0x01"
device i2c 5d on end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN2513""
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" = "130"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 15 on end
end
end # I2C #1
device pci 15.2 off end # I2C #2
device pci 15.3 off end # I2C #3