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mb/google/poppy/variants/nocturne: add touchscreen register info 

- add ACPI register information for touchscreen WCOM digitizer

BUG=b:78122599
BRANCH=none
TEST="emerge-nocturne coreboot chromeos-bootimage" and verify
touchscreen on Nocturne board works.

Change-Id: I9790a930e8ed2748d568ce58c931ce34b3e22007
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/26316
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Nick Vaccaro 2018-05-16 02:48:32 -07:00 committed by Patrick Georgi
parent 66faf0c286
commit 006114bbe0
1 changed files with 16 additions and 1 deletions
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17
src/mainboard/google/poppy/variants/nocturne/devicetree.cb
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@ -246,7 +246,22 @@ chip soc/intel/skylake
device pci 14.0 on end # USB xHCI
device pci 14.1 on end # USB xDCI (OTG)
device pci 14.2 on end # Thermal Subsystem
device pci 15.0 on end # I2C #0 - Touchscreen
device pci 15.0 on
chip drivers/i2c/hid
register "generic.hid" = ""WCOM50C1""
register "generic.desc" = ""WCOM Digitizer""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
register "generic.speed" = "I2C_SPEED_FAST_PLUS"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E11)"
register "generic.reset_delay_ms" = "1"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x1"
device i2c 0a on end
end
end # I2C #0 - Touchscreen
device pci 15.1 on end # I2C #1 - Trackpad
device pci 15.2 off end # I2C #2
device pci 15.3 on end # I2C #3 - Camera