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mb/google/kahlee/nuwani: support new Elan touch panel for Nuwani 

This is new Elan touch screen IC, which includes touch panel and USI pen.

BUG=b:151514167
TEST=build bios and verify touch screen works fine

Signed-off-by: Tommie Lin <tong.lin@bitland.corp-partner.google.com>
Change-Id: I98801b8c31812637f71d7eaaa0f12b47901dc47a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Tommie 2020-03-13 16:37:21 +08:00 committed by Martin Roth
parent 03abf8dbd1
commit 93b0c7cfc6
1 changed files with 13 additions and 0 deletions
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13
src/mainboard/google/kahlee/variants/nuwani/devicetree.cb
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@ -155,6 +155,19 @@ chip soc/amd/stoneyridge
end
end
device mmio 0xfedc5000 on
chip drivers/i2c/hid
register "generic.hid" = ""ELAN90FC""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_11)"
register "generic.probed" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_85)"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_76)"
register "generic.reset_delay_ms" = "20"
register "generic.has_power_resource" = "1"
register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""SYTS7817""
register "generic.desc" = ""Synaptics Touchscreen""