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

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

Browse source 
1. Extend 1 bit [34] for the TOUCHSCREEN_SOURCE.
   SSFC range for TOUCHSCREEN_SOURCE is bit[32:34].
2. Touchscreen panel: MUTTO A153728S1Y,
   and set TOUCHSCREEN_ILIT2901 to value "4"
3. Datasheet: #153728S1V1.0 SPEC_20240923.pdf

BUG=b:375986645
BRANCH=firmware-nissa-15217.B
TEST=1. emerge-nissa coreboot chromeos-bootimage
     2. Confirm command evtest and touchscreen function is workable.

Change-Id: I6e13c948edca5a894e1a00a1954f0f88c4a079cf
Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84894
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Jayvik Desai <jayvik@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Daniel Peng 2024-10-28 16:20:56 +08:00 • committed by Eric Lai
commit bbba62614a
1 changed files with 18 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/mainboard/google/brya/variants/glassway/overridetree.cb
View file

@ -31,11 +31,12 @@ fw_config
option WFC_ABSENT 0
option WFC_PRESENT 1
end
field TOUCHSCREEN_SOURCE 32 33
field TOUCHSCREEN_SOURCE 32 34
option TOUCHSCREEN_UNPROVISIONED 0
option TOUCHSCREEN_ELAN0001 1
option TOUCHSCREEN_GTCH7503 2
option TOUCHSCREEN_ELAN9004 3
option TOUCHSCREEN_ILIT2901 4
end
end
@ -394,6 +395,22 @@ chip soc/intel/alderlake
probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ELAN9004
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" = "100"
register "generic.reset_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "6"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 41 on
probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ILIT2901
end
end
chip drivers/generic/gpio_keys
register "name" = ""PENH""
register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_F13)"