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mb/google/sarien: Increase Wacom touchscreen reset delay to 120 ms 

Increase reset delay to 120ms of touchscreen to meet wacom touchscreen
T4 specification and resolve re-bind hid over i2c driver failed after
touchscreen firmware auto update.

BUG=b:132211627
TEST=Stress touchscreen firmware auto update 200 times and not found
     re-bind driver failed.

Signed-off-by: Casper Chang <casper_chang@wistron.corp-partner.google.com>
Change-Id: I488660aefdc6df27077efc7fec2f3b99adbaef9f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mike Hsieh <mike_hsieh@wistron.corp-partner.google.com>
Reviewed-by: Nick Crews <ncrews@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Casper Chang 2019-08-02 17:29:17 +08:00 committed by Duncan Laurie
parent 35b8ae1992
commit 45ecc61c03
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/sarien/variants/arcada/devicetree.cb
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@ -316,7 +316,7 @@ chip soc/intel/cannonlake
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_delay_ms" = "120"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)"
register "generic.enable_delay_ms" = "55"
register "generic.has_power_resource" = "1"