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-rw-r--r--src/mainboard/intel/amenia/acpi/mainboard.asl32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/mainboard/intel/amenia/acpi/mainboard.asl b/src/mainboard/intel/amenia/acpi/mainboard.asl
index 76c63b725f..35043b0e73 100644
--- a/src/mainboard/intel/amenia/acpi/mainboard.asl
+++ b/src/mainboard/intel/amenia/acpi/mainboard.asl
@@ -47,3 +47,35 @@ Scope (\_SB.PCI0.I2C4)
}
}
+
+Scope (\_SB.PCI0.I2C3)
+{
+ Device (ETSA)
+ {
+ Name (_HID, "ELAN0001")
+ Name (_DDN, "Elan Touchscreen")
+ Name (_UID, 1)
+ Name (ISTP, 0) /* TouchScreen */
+ Name (_S0W, 4)
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ 0x10, // SlaveAddress
+ ControllerInitiated, // SlaveMode
+ 400000, // ConnectionSpeed
+ AddressingMode7Bit, // AddressingMode
+ "\\_SB.PCI0.I2C3", // ResourceSource
+ )
+ Interrupt (ResourceConsumer, Edge, ActiveLow)
+ {
+ GPIO_21_IRQ
+ }
+ })
+
+ Method (_STA)
+ {
+ Return (0xF)
+ }
+ }
+}