mb/google/skyrim/var/winterhold: Update touchscreen devicetree setting
Update touchscreen setting.
ELAN900C is the I2C over hid device with slave address 0x10.
MELF0410 is the pure I2C device with slave address 0x34.
The LCD team verification result is on b/251378772 comment#11.
BUG=b:251378772
TEST=Build/boot ChromeOS on winterhold, ensure touchscreen is
functional.
Signed-off-by: EricKY Cheng <ericky_cheng@compal.corp-partner.google.com>
Change-Id: I568346d2abc39d9427e49c3b21f38db0184b8b44
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68741
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
diff --git a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
index 900cd23..ab0bda2 100644
--- a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
@@ -86,8 +86,8 @@
end # I2C0
device ref i2c_1 on
chip drivers/i2c/hid
- register "generic.hid" = ""GDIX0000""
- register "generic.desc" = ""Goodix Touchscreen""
+ register "generic.hid" = ""ELAN900C""
+ register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_29)"
register "generic.probed" = "1"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)"
@@ -100,11 +100,11 @@
register "generic.stop_off_delay_ms" = "1"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
- device i2c 5d on end
+ device i2c 10 on end
end
chip drivers/i2c/generic
- register "hid" = ""ELAN0001""
- register "desc" = ""ELAN Touchscreen""
+ register "hid" = ""MELF0410""
+ register "desc" = ""Melfas Touchscreen""
register "probed" = "1"
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_29)"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)"
@@ -116,7 +116,7 @@
register "stop_off_delay_ms" = "2"
register "has_power_resource" = "1"
register "disable_gpio_export_in_crs" = "1"
- device i2c 10 on end
+ device i2c 34 on end
end
chip drivers/generic/gpio_keys
register "name" = ""PENH""