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authorTyler Wang <tyler.wang@quanta.corp-partner.google.com>2022-06-13 15:09:40 +0800
committerFelix Held <felix-coreboot@felixheld.de>2022-06-17 14:26:03 +0000
commit3e891cda062365eabb66b9c6db06da9718aa0705 (patch)
tree4b45bd2d386f900daf97f86612fd6aa3892b5509
parent3f52aa5518b4f53075674783d3c125024bd75c19 (diff)
mb/google/nissa/var/craask: Enable Elan touchscreen
Add Elan touchscreen support for craaskvin. BUG=b:235919755 TEST=Build and test on MB, touchscreen function works. Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com> Change-Id: I18e0be688705942647c42ee532fcd32e862fe78c Reviewed-on: https://review.coreboot.org/c/coreboot/+/65103 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Reka Norman <rekanorman@chromium.org>
-rw-r--r--src/mainboard/google/brya/variants/craask/overridetree.cb18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb
index 0f19bc99d3..4091b17b2e 100644
--- a/src/mainboard/google/brya/variants/craask/overridetree.cb
+++ b/src/mainboard/google/brya/variants/craask/overridetree.cb
@@ -107,6 +107,24 @@ chip soc/intel/alderlake
probe STYLUS STYLUS_PRESENT
end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9004""
+ 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" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "generic.stop_delay_ms" = "280"
+ register "generic.stop_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "generic.enable_delay_ms" = "1"
+ 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
end
device ref i2c2 on
chip drivers/i2c/sx9324