erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mb/google/nissa/var/guren: Add touch screen FTSC1000 support

Browse source 
New Touchscreen function for Guren project.
Touchscreen panel: HKO RB116AS01-2,
and set TOUCHSCREEN_FTSC1000 to value "3".

BUG=b:391281767
BRANCH=firmware-nissa-15217.B
TEST=1. emerge-nissa coreboot chromeos-bootimage
     2. Confirm command evtest and touchscreen function is workable.

Change-Id: Icfe5f57c69d1bd98e0852a1aa3baed8c1444e4d9
Signed-off-by: Brian Hsu <Brian_Hsu@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87238
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>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Brian Hsu 2025-04-09 14:31:31 +08:00 • committed by Subrata Banik
commit 1b27f39025
1 changed files with 20 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/mainboard/google/brya/variants/guren/overridetree.cb
View file

@ -29,6 +29,7 @@ fw_config
option TOUCHSCREEN_UNPROVISIONED 0
option TOUCHSCREEN_ELAN0001 1
option TOUCHSCREEN_ILIT2901 2
option TOUCHSCREEN_FTSC1000 3
end
end
@ -369,6 +370,25 @@ chip soc/intel/alderlake
probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ILIT2901
end
end
chip drivers/i2c/hid
register "generic.hid" = ""FTSC1000""
register "generic.desc" = ""G2TOUCH Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "generic.reset_delay_ms" = "150"
register "generic.reset_off_delay_ms" = "5"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "generic.stop_delay_ms" = "30"
register "generic.stop_off_delay_ms" = "10"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "45"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 38 on
probe TOUCHSCREEN_SOURCE TOUCHSCREEN_FTSC1000
end
end
end #I2C1
device ref i2c2 on
chip drivers/i2c/sx9324