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mb/google/hatch/var/helios: Increase touchscreen reset delay to 120ms 

As per GT7375P programming guide rev0.4, we want to enforce a delay
of 120ms after the reset is completed, before HID_I2C starts.

BUG=b:140276418

Signed-off-by: Philip Chen <philipchen@google.com>
Change-Id: Id69a9db996bcd9001ef850c50898fbd55327b4df
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35158
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Philip Chen 2019-08-29 23:07:05 -07:00 committed by Patrick Georgi
parent 58e033d97d
commit 9f38be89f6
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/hatch/variants/helios/overridetree.cb
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@ -100,7 +100,7 @@ chip soc/intel/cannonlake
register "generic.probed" = "1" register "generic.probed" = "1"
register "generic.reset_gpio" = register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)" "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
register "generic.reset_delay_ms" = "10" register "generic.reset_delay_ms" = "120"
register "generic.reset_off_delay_ms" = "1" register "generic.reset_off_delay_ms" = "1"
register "generic.enable_gpio" = register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D9)" "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D9)"