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mb/google/nissa/var/guren: Add touch screen ILIT2901 support

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New Touchscreen function for Guren360 project.
Touchscreen panel of MUTTO A153728S1Y(11')
/K&D KD116N37-30TE-A002(11')/MUTTO B153797S1Y(12') are the
same IC controller for ILITEK device, and set TOUCHSCREEN_ILIT2901
to value "2".

BUG=b:406168542
BRANCH=firmware-nissa-15217.B
TEST=1. emerge-nissa coreboot chromeos-bootimage
     2. Confirm command evtest and touchscreen function is workable.

Change-Id: I3435a8852b1fdb897d5f89c580b5f9bfca03dd8e
Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87196
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Daniel Peng <daniel_peng@pegatron.corp-partner.google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
This commit is contained in:
Daniel Peng 2025-04-07 17:12:39 +08:00 • committed by Subrata Banik
commit d701a218c2
1 changed files with 20 additions and 0 deletions
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20
src/mainboard/google/brya/variants/guren/overridetree.cb
View file

@ -28,6 +28,7 @@ fw_config
field TOUCHSCREEN_SOURCE 32 34
option TOUCHSCREEN_UNPROVISIONED 0
option TOUCHSCREEN_ELAN0001 1
option TOUCHSCREEN_ILIT2901 2
end
end
@ -349,6 +350,25 @@ chip soc/intel/alderlake
end
end
chip drivers/i2c/hid
register "generic.hid" = ""ILIT2901""
register "generic.desc" = ""ILI 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" = "10"
register "generic.reset_off_delay_ms" = "4"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "12"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "generic.stop_delay_ms" = "105"
register "generic.stop_off_delay_ms" = "5"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 41 on
probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ILIT2901
end
end
end #I2C1
device ref i2c2 on
chip drivers/i2c/sx9324