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mb/google/nissa/var/yavilla: Add elan touchscreen support 

Update devicetree to support ELAN I2C generic touchscreen.

BUG=b:273791621
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot

Change-Id: I2779c2930d89ff42233f9b20bd8abdf6dc00c0e0
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74776
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>
This commit is contained in:
Tony Huang 2023-04-26 13:25:03 +08:00 committed by Felix Held
parent 7915884a2f
commit 0f8c03b593
1 changed files with 16 additions and 0 deletions
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16
src/mainboard/google/brya/variants/yavilla/overridetree.cb
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@ -156,6 +156,22 @@ chip soc/intel/alderlake
end end
end end
device ref i2c1 on device ref i2c1 on
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "probed" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "reset_delay_ms" = "20"
register "reset_off_delay_ms" = "2"
register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "stop_delay_ms" = "280"
register "stop_off_delay_ms" = "2"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "enable_delay_ms" = "1"
register "has_power_resource" = "1"
device i2c 10 on end
end
chip drivers/i2c/hid chip drivers/i2c/hid
register "generic.hid" = ""ELAN2513"" register "generic.hid" = ""ELAN2513""
register "generic.desc" = ""ELAN Touchscreen"" register "generic.desc" = ""ELAN Touchscreen""