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authorZhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>2023-06-07 20:09:55 +0800
committerFelix Held <felix-coreboot@felixheld.de>2023-06-12 15:28:46 +0000
commitedee16ec8cdc9c5fe35dc35fd6180fa0dd79f187 (patch)
tree9a191e3993cc86b0cec70137eaa9499d33565661 /src/mainboard
parent97ed78f64729400b87045c828d228b1e76a2ac50 (diff)
mb/google/rex/var/screebo: Enable touchscreen
Enable ILI2901 and eKTH7B18 touchscreen for Google Screebo. BUG=b:278167967 BRANCH=none TEST=Build and boot to Google Screebo. Verify touchscreen works. Change-Id: I57d55c5f2621d6fafd53b19d12ecad20271cdbb1 Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/75692 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Rui Zhou <zhourui@huaqin.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/rex/variants/screebo/overridetree.cb42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index d66d7bd7eb..8669d95e26 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -13,6 +13,11 @@ fw_config
option MB_TYPEC 1
option MB_TBT 2
end
+ field TOUCHSCREEN 8 9
+ option TOUCHSCREEN_UNKNOWN 0
+ option TOUCHSCREEN_ILITEK 1
+ option TOUCHSCREEN_ELAN 2
+ end
end
chip soc/intel/meteorlake
@@ -368,6 +373,43 @@ chip soc/intel/meteorlake
end
end
end
+ device ref i2c1 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ILTK0001""
+ register "generic.desc" = ""ILITEK Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C07_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C01)"
+ register "generic.reset_delay_ms" = "200"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C00)"
+ register "generic.enable_delay_ms" = "12"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C06)"
+ register "generic.stop_off_delay_ms" = "2"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 41 on
+ probe TOUCHSCREEN TOUCHSCREEN_ILITEK
+ end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""EKTH7B18U""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C07_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C01)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C00)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C06)"
+ register "generic.stop_off_delay_ms" = "2"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on
+ probe TOUCHSCREEN TOUCHSCREEN_ELAN
+ end
+ end
+ end
device ref i2c3 on
chip drivers/i2c/generic
register "hid" = ""ELAN0000""