From 637bef20376b47d9c054d1f77d1583fb7cf67727 Mon Sep 17 00:00:00 2001 From: Marco Chen Date: Tue, 25 Dec 2018 11:20:58 +0800 Subject: mb/google/octopus/variants: Add 20ms reset delay for WACOM device Add reset delay in power resource to prevent from failing to bind after unbinding. And boards including yorp series - bobba / phaser and bip series - ampton are affected. BUG=b:121286833 BUG=b:117474421 BUG=b:121019320 BRANCH=None TEST=emerge-octopus coreboot, verified that WACOM touchscreen can re-bind successfully. Change-Id: Icf690fc8e9450d559b642d1c88e29ff5d52c5488 Signed-off-by: Marco Chen Reviewed-on: https://review.coreboot.org/c/30422 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/mainboard/google/octopus/variants/ampton/overridetree.cb | 1 + 1 file changed, 1 insertion(+) (limited to 'src/mainboard/google/octopus/variants/ampton') diff --git a/src/mainboard/google/octopus/variants/ampton/overridetree.cb b/src/mainboard/google/octopus/variants/ampton/overridetree.cb index b3f9416c80..1b4b9ba6a9 100644 --- a/src/mainboard/google/octopus/variants/ampton/overridetree.cb +++ b/src/mainboard/google/octopus/variants/ampton/overridetree.cb @@ -36,6 +36,7 @@ chip soc/intel/apollolake register "generic.desc" = ""WCOM Digitizer"" register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_139_IRQ)" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)" + register "generic.reset_delay_ms" = "20" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x1" device i2c 0x9 on end -- cgit v1.2.3