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mb/google/nissa/var/yaviks: Add elan i2c touchscreen 

Implement support for elan i2c touchscreen and use fw_config
to pick between i2c or HID-over-i2c touchscreen.

BUG=b:294456574
BRANCH=firmware-nissa-15217.B
TEST=build and verified touchscreen work

Change-Id: I32ba97f5e5f6d280d1ae47da22360fde421a26c0
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77104
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
This commit is contained in:
Wisley Chen 2023-08-02 13:00:25 +06:00 committed by Martin L Roth
parent 0d1ea1d8b5
commit 725cb543d2
2 changed files with 25 additions and 2 deletions
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1
src/mainboard/google/brya/Kconfig.name
View File

@ -298,6 +298,7 @@ config BOARD_GOOGLE_YAVIKS
select DRIVERS_GENERIC_GPIO_KEYS
select DRIVERS_INTEL_MIPI_CAMERA
select HAVE_WWAN_POWER_SEQUENCE
select EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
config BOARD_GOOGLE_LISBON
bool "-> Lisbon"

26
src/mainboard/google/brya/variants/yaviks/overridetree.cb
View File

@ -28,6 +28,10 @@ fw_config
option MB_1C 0
option MB_1C_2A 1
end
field TOUCH_PANEL 40 41
option TOUCH_HID_I2C 0
option TOUCH_I2C 1
end
end
chip soc/intel/alderlake
@ -225,11 +229,27 @@ chip soc/intel/alderlake
probe WFC WFC_MIPI_OVTI8856
end
device ref i2c1 on
chip drivers/i2c/generic
register "hid" = ""ELAN0001""
register "desc" = ""ELAN Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "reset_delay_ms" = "20"
register "reset_off_delay_ms" = "2"
register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "stop_delay_ms" = "20"
register "stop_off_delay_ms" = "2"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "enable_delay_ms" = "5"
register "has_power_resource" = "1"
device i2c 10 on
probe TOUCH_PANEL TOUCH_I2C
end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN2513""
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"
@ -240,7 +260,9 @@ chip soc/intel/alderlake
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
device i2c 10 on
probe TOUCH_PANEL TOUCH_HID_I2C
end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN900C""