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mainboard/google/soraka: add wacom touchscreen support 

Add wacom touchscreen support.

BUG=b:37007801, b:37265219
BRANCH=None
TEST=manual testing on Soraka board to ensue that touchscreen works
at boot and after suspend/resume.

Change-Id: I0fbae4782c6442149cda57d23c61ed87546621bb
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/20476
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Wisley Chen 2017-07-06 18:02:04 +08:00 committed by Furquan Shaikh
parent 379c863ef1
commit a80a0eba11
1 changed files with 14 additions and 0 deletions
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14
src/mainboard/google/poppy/variants/soraka/devicetree.cb
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@ -214,6 +214,20 @@ chip soc/intel/skylake
device pci 14.1 off end # USB xDCI (OTG)
device pci 14.2 on end # Thermal Subsystem
device pci 15.0 on
chip drivers/i2c/hid
register "generic.hid" = ""WCOMCOHO""
register "generic.desc" = ""WCOM Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E3)"
register "generic.reset_delay_ms" = "110"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x1"
device i2c 0xA on end
end
chip drivers/i2c/generic
register "hid" = ""ATML0001""
register "desc" = ""Atmel Touchscreen""