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mb/google/skyrim: Use level-triggered IRQ for touchpad and touchscreen

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Change touchpad and touchscreen IRQ from edge to level triggering across
all skyrim variants. Required for Windows driver compatibility.

TEST=build/boot Win11 on frostflow; verify touchpad/screen functional.

Change-Id: Ibbc275112536b4d555b127271ee264414d06c5cb
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91794
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Matt DeVillier 2026-03-03 12:24:00 -06:00
commit fe445f4b9d
4 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/mainboard/google/skyrim/variants/frostflow/overridetree.cb
View file

@ -54,7 +54,7 @@ chip soc/amd/mendocino
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_40)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_40)"
register "wake" = "GEVENT_20"
register "detect" = "1"
device i2c 15 on end

2
src/mainboard/google/skyrim/variants/markarth/overridetree.cb
View file

@ -73,7 +73,7 @@ chip soc/amd/mendocino
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_40)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_40)"
register "wake" = "GEVENT_20"
register "detect" = "1"
device i2c 15 on end

4
src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
View file

@ -121,7 +121,7 @@ chip soc/amd/mendocino
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_40)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_40)"
register "wake" = "GEVENT_20"
register "detect" = "1"
device i2c 15 on end
@ -149,7 +149,7 @@ chip soc/amd/mendocino
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "detect" = "1"
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_29)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_29)"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)"
register "enable_delay_ms" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_136)"

4
src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
View file

@ -161,7 +161,7 @@ chip soc/amd/mendocino
chip drivers/i2c/generic
register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad""
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_40)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_40)"
register "wake" = "GEVENT_20"
register "detect" = "1"
device i2c 15 on end
@ -198,7 +198,7 @@ chip soc/amd/mendocino
register "hid" = ""MLFS0000""
register "desc" = ""Melfas Touchscreen""
register "detect" = "1"
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_29)"
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_29)"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)"
register "enable_delay_ms" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_136)"