Tony Huang has uploaded this change for review.
mb/google/puff/var/dooly: Add WEIDA touchscreen device
Adds ACPI properties for WDT8762A device.
Per spec v0.8
HID name WDHT2002
T14=100ms
BUG=b:163561649
BRANCH=puff
TEST=emerge-puff coreboot and check system dmesg and evtest can get device.
Change-Id: I178e9d5aa1e1501d33b3cd4092f3f522bb6f1a74
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
---
M src/mainboard/google/hatch/variants/dooly/overridetree.cb
1 file changed, 14 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/80/47280/1
diff --git a/src/mainboard/google/hatch/variants/dooly/overridetree.cb b/src/mainboard/google/hatch/variants/dooly/overridetree.cb
index ee91dd3..de6dfcd 100644
--- a/src/mainboard/google/hatch/variants/dooly/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/dooly/overridetree.cb
@@ -311,7 +311,20 @@
end # I2C #0 ALC1015
device pci 15.1 off end # I2C #1
device pci 15.2 on end # I2C #2 LVDS
- device pci 15.3 on end # I2C #3 Touchscreen
+ device pci 15.3 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""WDHT2002""
+ register "generic.desc" = ""WDT Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_A20_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)"
+ register "generic.reset_delay_ms" = "100"
+ register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x20"
+ device i2c 2c on end
+ end
+ end # I2C #3 Touchscreen
device pci 16.0 on end # Management Engine Interface 1
device pci 19.0 on
chip drivers/i2c/generic
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