From 0040bba74fd6e47fd7e01a31eab4d2b0bf05d675 Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Tue, 14 Dec 2021 13:24:44 -0700 Subject: [PATCH] mb/google/guybrush: Disable GPIO export for Goodix Touchscreen We want ACPI to own the GPIOs. This will stop the GPIOs from being exposed to the OS driver. BUG=b:209705576, b:210694108 TEST=Dump ACPI table and verify GPIO are no longer in _CRS. Signed-off-by: Raul E Rangel Change-Id: I8d2af41e1d04b98f0e3e19a95d7b91d08ecdf17b Reviewed-on: https://review.coreboot.org/c/coreboot/+/60173 Tested-by: build bot (Jenkins) Reviewed-by: Rob Barnes --- src/mainboard/google/guybrush/variants/guybrush/overridetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb index 01876c850b..934fdbfcd5 100644 --- a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb +++ b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb @@ -103,6 +103,7 @@ chip soc/amd/cezanne register "generic.stop_delay_ms" = "170" register "generic.stop_off_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 5d on end end