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mb/google/dedede: Enable ELAN touchscreen for Waddledoo 

Add ELAN EKTH6918 USI touchscreen support.

BUG=b:152936745
TEST="emerge-dedede coreboot chromeos-bootimage", build successful.

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: I030c7d7e76a9705be06fe907c4ac279e247cb163
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marco Chen <marcochen@google.com>
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 2020-04-07 10:45:57 +08:00 committed by Patrick Georgi
parent 3fe5f2cfa4
commit afc593d99c
1 changed files with 20 additions and 0 deletions
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20
src/mainboard/google/dedede/variants/waddledoo/overridetree.cb
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@ -73,6 +73,26 @@ chip soc/intel/jasperlake
register "hid_desc_reg_offset" = "0x00" register "hid_desc_reg_offset" = "0x00"
device i2c 5c on end device i2c 5c on end
end end
chip drivers/i2c/hid
register "generic.hid" = ""ELAN9050""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)"
register "generic.probed" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)"
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.stop_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
register "generic.stop_delay_ms" = "280"
register "generic.stop_off_delay_ms" = "2"
register "generic.enable_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
register "generic.enable_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 15 on end
end
end # I2C 2 end # I2C 2
device pci 1c.7 on device pci 1c.7 on
chip drivers/intel/wifi chip drivers/intel/wifi