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authorDavid Wu <david_wu@quanta.corp-partner.google.com>2019-11-26 19:16:25 +0800
committerFurquan Shaikh <furquan@google.com>2019-11-27 18:55:03 +0000
commitd492f01bf16e28cc55e64462e98ba7c99b1bb336 (patch)
tree0918c66a7eec3e3dd401dbd9bb927174de38e050 /src
parentc7fc199f40339344903c51ff51bbf8610f218b86 (diff)
mb/google/hatch/var/kindred: Add ELAN touchscreen support
Add ELAN EKTH6918 USI touchsreen support. BUG=b:131205495 b:127996093 TEST=FW_NAME=kindred emerge-hatch coreboot chromeos-bootimage and check touchscreen work. Change-Id: I8b003685cd7ee68738bcd4298b63a44d6e6118e4 Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37236 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/hatch/variants/kindred/overridetree.cb16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/kindred/overridetree.cb b/src/mainboard/google/hatch/variants/kindred/overridetree.cb
index 9d33fa96d0..1122609649 100644
--- a/src/mainboard/google/hatch/variants/kindred/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/kindred/overridetree.cb
@@ -145,6 +145,22 @@ chip soc/intel/cannonlake
register "has_power_resource" = "1"
device i2c 39 on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9004""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D9)"
+ register "generic.enable_delay_ms" = "10"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C4)"
+ register "generic.stop_delay_ms" = "300"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on end
+ end
chip drivers/generic/gpio_keys
register "name" = ""PENH""
register "gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_A8)"