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mb/mainboard/hatch: support elan touchpad for Akemi 

Modify IRQ pin from D21 to A21 and support wake-up from touchpad

BUG=b:141519690
TEST=build bios and verify elan touchpad works fine

Signed-off-by: Peichao Wang <peichao.wang@bitland.corp-partner.google.com>
Change-Id: I6cc5b780ffcee24f1f2a04e88c30628ceb5904e8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35551
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Peichao Wang 2019-09-24 11:29:01 +08:00 committed by Martin Roth
parent c7d2235899
commit b68ebfa8fc
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/hatch/variants/akemi/overridetree.cb
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@ -64,7 +64,7 @@ chip soc/intel/cannonlake
chip drivers/i2c/generic chip drivers/i2c/generic
register "hid" = ""ELAN0000"" register "hid" = ""ELAN0000""
register "desc" = ""ELAN Touchpad"" register "desc" = ""ELAN Touchpad""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D21_IRQ)" register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_A21_IRQ)"
register "wake" = "GPE0_DW0_21" register "wake" = "GPE0_DW0_21"
register "probed" = "1" register "probed" = "1"
device i2c 15 on end device i2c 15 on end
@ -72,7 +72,7 @@ chip soc/intel/cannonlake
chip drivers/i2c/hid chip drivers/i2c/hid
register "generic.hid" = ""PNP0C50"" register "generic.hid" = ""PNP0C50""
register "generic.desc" = ""Synaptics Touchpad"" register "generic.desc" = ""Synaptics Touchpad""
register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_A21_IRQ)" register "generic.irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_A21_IRQ)"
register "generic.wake" = "GPE0_DW0_21" register "generic.wake" = "GPE0_DW0_21"
register "generic.probed" = "1" register "generic.probed" = "1"
register "hid_desc_reg_offset" = "0x20" register "hid_desc_reg_offset" = "0x20"