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mb/google/brya: Enable ELAN9050 touchscreen 

Enable ELAN9050 touch screen. Follow below spec:
eKTH7913U_eKTH7915U_eKTH7918U_Product Spec_V1.0_20200807 IPM-11

BUG=b:186342801
TEST=touchscreen is functional in the OS.

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I4c247fae33b9178c8706552aba2f950c9a674ecc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Eric Lai 2021-04-26 13:58:17 +08:00 committed by Patrick Georgi
parent 05877ee1d7
commit bd9d6ab2d5
1 changed files with 19 additions and 0 deletions
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19
src/mainboard/google/brya/variants/brya0/overridetree.cb
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@ -35,6 +35,25 @@ chip soc/intel/alderlake
end
end
device ref i2c1 on
chip drivers/i2c/hid
register "generic.hid" = ""ELAN9050""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
register "generic.reset_delay_ms" = "300"
register "generic.reset_off_delay_ms" = "1"
register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "6"
register "generic.stop_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
register "generic.stop_off_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 0x10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
register "generic.desc" = ""Goodix Touchscreen""