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mb/google/deltaur: Enable Melfas touch screen for Deltan 

Reference Drallion to add device tree for Melfas touch screen.

BUG=b:152924290

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I7b0a42119891c6c2d5978d7f33eefffa2d62df76
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40113
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Eric Lai 2020-04-03 13:39:24 +08:00 committed by Patrick Georgi
parent 9e0dd9af47
commit 72d9366721
1 changed files with 19 additions and 0 deletions
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19
src/mainboard/google/deltaur/variants/deltan/overridetree.cb
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@ -9,4 +9,23 @@ chip soc/intel/tigerlake
device pci 1f.6 on end # GbE 0x15FC device pci 1f.6 on end # GbE 0x15FC
end end
device pci 15.0 on
chip drivers/i2c/generic
register "hid" = ""MLFS0000""
register "desc" = ""Melfas Touchscreen""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E1_IRQ)"
register "probed" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A10)"
register "reset_delay_ms" = "10"
register "reset_off_delay_ms" = "5"
register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B3)"
register "stop_delay_ms" = "10"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)"
register "enable_delay_ms" = "55"
register "has_power_resource" = "1"
register "device_present_gpio" = "GPP_B4"
register "device_present_gpio_invert" = "1"
device i2c 34 on end
end
end # I2C #0
end end