src/mainboard/google/auron/variants/gandof/include/variant/acpi/mainboard.asl

/* SPDX-License-Identifier: GPL-2.0-only */

Scope (\_SB.PCI0.I2C0)
{
	Device (ETPA)
	{
		Name (_HID, "ELAN0000")
		Name (_DDN, "Elan Touchpad")
		Name (_UID, 1)
		Name (ISTP, 1) /* Touchpad */

		Name (_CRS, ResourceTemplate()
		{
			I2cSerialBus (
				BOARD_TRACKPAD_I2C_ADDR,	// SlaveAddress
				ControllerInitiated,		// SlaveMode
				400000,				// ConnectionSpeed
				AddressingMode7Bit,		// AddressingMode
				"\\_SB.PCI0.I2C0",		// ResourceSource
			)
			Interrupt (ResourceConsumer, Level, ActiveLow)
			{
				BOARD_TRACKPAD_IRQ
			}
		})

		Method (_STA)
		{
			If (\S1EN == 1) {
				Return (0xF)
			} Else {
				Return (0x0)
			}
		}

		Name (_PRW, Package() { BOARD_TRACKPAD_WAKE_GPIO, 0x3 })

		Method (_DSW, 3, NotSerialized)
		{
			Local0 = BOARD_TRACKPAD_WAKE_GPIO
			If (Arg0 == 1) {
				// Enable GPIO as wake source
				\_SB.PCI0.LPCB.GPIO.GWAK (Local0)
			}
		}

		/* Allow device to power off in S0 */
		Name (_S0W, 4)
	}
}