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mb/google/volteer/var/chronicler: add Elan touch support 

Enable Elan touchscreen support for chronicler.

BUG=b:213537197
TEST=emerge-volteer coreboot chromeos-bootimage
     verified touchscreen works

Signed-off-by: Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: Ic56092972eb9555b097b21ff5828573926610f31
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60810
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Sheng-Liang Pan 2022-01-06 11:04:03 +08:00 committed by Felix Held
parent f23cc1c0c1
commit da3edab901
1 changed files with 15 additions and 0 deletions
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15
src/mainboard/google/volteer/variants/chronicler/overridetree.cb
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@ -231,6 +231,21 @@ chip soc/intel/tigerlake
register "has_power_resource" = "1"
device i2c 34 on end
end
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
register "probed" = "1"
register "reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)"
register "reset_delay_ms" = "100"
register "reset_off_delay_ms" = "5"
register "has_power_resource" = "1"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)"
register "enable_delay_ms" = "10"
register "enable_off_delay_ms" = "1"
device i2c 10 on end
end
end
device ref i2c5 on
chip drivers/i2c/generic