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mb/google/dedede/var/cret: Add new Elan touchscreen 

Add Elan eKTH7D18 touchscreen into devicetree for cret.

BUG=b:180547935, b:187484857
BRANCH=dedede
TEST=Built cret firmware and verified touchscreen function.

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: Iab87ddfc7b46420439efa3e7e55c88ad4c27155d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54868
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
This commit is contained in:
Dtrain Hsu 2021-05-24 14:36:12 +08:00 committed by Werner Zeh
parent e9ee4390a5
commit e219862795
1 changed files with 18 additions and 0 deletions
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18
src/mainboard/google/dedede/variants/cret/overridetree.cb
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@ -147,6 +147,24 @@ chip soc/intel/jasperlake
register "has_power_resource" = "1"
device i2c 10 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN900C""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)"
register "generic.reset_delay_ms" = "6"
register "generic.stop_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
register "generic.stop_delay_ms" = "300"
register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
register "generic.enable_delay_ms" = "6"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 16 on end
end
end # I2C 2
device pci 15.3 off end # I2C 3
device pci 1c.7 on end