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mb/trulo/var/pujjolo: Enable Elan touchscreen function.

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Add Elan touchscreen setting to let funtion work fine.

BUG=b:395763555
BRANCH=none
TEST=Build and boot to pujjolo. Verify functions work.

Change-Id: I7a6f56d46347f680f80feb691fc5104f8acf3f29
Signed-off-by: Luca Lai <luca.lai@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88021
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Jayvik Desai <jayvik@google.com>
This commit is contained in:
Luca Lai 2025-06-10 10:51:11 +08:00 • committed by Subrata Banik
commit 317affb0ad
1 changed files with 17 additions and 0 deletions
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17
src/mainboard/google/brya/variants/pujjolo/overridetree.cb
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@ -160,6 +160,23 @@ chip soc/intel/alderlake
end
end #I2C0
device ref i2c1 on
chip drivers/i2c/hid
register "generic.hid" = ""ELAN901C""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_HIGH(GPP_E11_IRQ)"
register "generic.detect" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C4)"
register "generic.stop_delay_ms" = "280"
register "generic.stop_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
register "generic.desc" = ""Goodix Touchscreen""