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mb/google/nissa/var/rull: Add ELAN touchscreen to devicetree

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Add Elan touchscreen override devicetree for rull based on the latest
schematic NB7559_MB_SCH_V1_2024_1010.pdf.

BUG=b:374629673
BRANCH=None
TEST=1. emerge-nissa coreboot chromeos-bootimage
     2. touchpanel function is normal and 'evtest' command displays the
        touch point

Change-Id: Ie7f6dce0175c2940abfa14c4e407414912063112
Signed-off-by: Rui Zhou <zhourui@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85015
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Rui Zhou 2024-11-06 14:44:49 +08:00 • committed by Subrata Banik
commit 5b0dc2b6a0
1 changed files with 19 additions and 1 deletions
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20
src/mainboard/google/brya/variants/rull/overridetree.cb
View file

@ -219,7 +219,25 @@ chip soc/intel/alderlake
device generic 0 on end
end
end
device ref i2c1 off end # Touchscreen
device ref i2c1 on
chip drivers/i2c/hid
register "generic.hid" = ""ELAN9004""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_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_C6)"
register "generic.stop_delay_ms" = "150"
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
end
device ref i2c3 on
chip drivers/i2c/rt5645
register "hid" = ""10EC5650""