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mb/google/rex/var/screebo: Enable touchscreen 

Enable ILI2901 and eKTH7B18 touchscreen for Google Screebo.

BUG=b:278167967
BRANCH=none
TEST=Build and boot to Google Screebo. Verify touchscreen works.

Change-Id: I57d55c5f2621d6fafd53b19d12ecad20271cdbb1
Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75692
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Rui Zhou <zhourui@huaqin.corp-partner.google.com>
This commit is contained in:
Zhongtian Wu 2023-06-07 20:09:55 +08:00 committed by Felix Held
parent 97ed78f647
commit edee16ec8c
1 changed files with 42 additions and 0 deletions
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42
src/mainboard/google/rex/variants/screebo/overridetree.cb
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@ -13,6 +13,11 @@ fw_config
option MB_TYPEC 1
option MB_TBT 2
end
field TOUCHSCREEN 8 9
option TOUCHSCREEN_UNKNOWN 0
option TOUCHSCREEN_ILITEK 1
option TOUCHSCREEN_ELAN 2
end
end
chip soc/intel/meteorlake
@ -368,6 +373,43 @@ chip soc/intel/meteorlake
end
end
end
device ref i2c1 on
chip drivers/i2c/hid
register "generic.hid" = ""ILTK0001""
register "generic.desc" = ""ILITEK Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C07_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C01)"
register "generic.reset_delay_ms" = "200"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C00)"
register "generic.enable_delay_ms" = "12"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C06)"
register "generic.stop_off_delay_ms" = "2"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 41 on
probe TOUCHSCREEN TOUCHSCREEN_ILITEK
end
end
chip drivers/i2c/hid
register "generic.hid" = ""EKTH7B18U""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C07_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C01)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C00)"
register "generic.enable_delay_ms" = "1"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C06)"
register "generic.stop_off_delay_ms" = "2"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on
probe TOUCHSCREEN TOUCHSCREEN_ELAN
end
end
end
device ref i2c3 on
chip drivers/i2c/generic
register "hid" = ""ELAN0000""