mb/google/dedede/var/magolor: Enable ELAN touchscreen for magneto
Add ELAN touchscreen support for magneto.
BUG=b:203122673
TEST=Build and verify that touchscreen works.
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Change-Id: Ie86692901113e952c597fcfc6c58e7ee0fc172fa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58967
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
index de82a8a..24b32db 100644
--- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
@@ -19,6 +19,7 @@
option TS_RAYD_0001 4
option TS_WDHT0002 5
option TS_GTCH7503 6
+ option TS_ELAN_9004 7
end
field AUDIO_CODEC_SOURCE 49 51
option AUDIO_CODEC_UNPROVISIONED 0
@@ -228,6 +229,26 @@
end
end
chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9004""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_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 "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on
+ probe TS_SOURCE TS_ELAN_9004
+ end
+ end
+ chip drivers/i2c/hid
register "generic.hid" = ""WDHT0002""
register "generic.desc" = ""WDT Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"