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authorEric Lai <ericr_lai@compal.corp-partner.google.com>2021-04-26 13:58:17 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-04-29 05:25:59 +0000
commitbd9d6ab2d5631cd9391114a57840a51416067b3e (patch)
tree6a60edd070036b5aac9159f58cc7554c076ef5ce /src/mainboard
parent05877ee1d7e87063f7923467b94c5b3fd6d899ea (diff)
mb/google/brya: Enable ELAN9050 touchscreen
Enable ELAN9050 touch screen. Follow below spec: eKTH7913U_eKTH7915U_eKTH7918U_Product Spec_V1.0_20200807 IPM-11 BUG=b:186342801 TEST=touchscreen is functional in the OS. Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com> Change-Id: I4c247fae33b9178c8706552aba2f950c9a674ecc Reviewed-on: https://review.coreboot.org/c/coreboot/+/52665 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/brya/variants/brya0/overridetree.cb19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb
index a0e40b7ce3..b5679c82d7 100644
--- a/src/mainboard/google/brya/variants/brya0/overridetree.cb
+++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb
@@ -36,6 +36,25 @@ chip soc/intel/alderlake
end
device ref i2c1 on
chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9050""
+ 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" = "300"
+ register "generic.reset_off_delay_ms" = "1"
+ register "generic.enable_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "generic.enable_delay_ms" = "6"
+ register "generic.stop_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "generic.stop_off_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 0x10 on end
+ end
+ chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
register "generic.desc" = ""Goodix Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"