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mb/google/nissa/var/craask: Enable Elan touchscreen 

Add Elan touchscreen support for craaskvin.

BUG=b:235919755
TEST=Build and test on MB, touchscreen function works.

Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Change-Id: I18e0be688705942647c42ee532fcd32e862fe78c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65103
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
This commit is contained in:
Tyler Wang 2022-06-13 15:09:40 +08:00 committed by Felix Held
parent 3f52aa5518
commit 3e891cda06
1 changed files with 18 additions and 0 deletions
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18
src/mainboard/google/brya/variants/craask/overridetree.cb
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@ -107,6 +107,24 @@ chip soc/intel/alderlake
probe STYLUS STYLUS_PRESENT probe STYLUS STYLUS_PRESENT
end end
end end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN9004""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "generic.stop_delay_ms" = "280"
register "generic.stop_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end
end end
device ref i2c2 on device ref i2c2 on
chip drivers/i2c/sx9324 chip drivers/i2c/sx9324