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/* SPDX-License-Identifier: GPL-2.0-only */
Scope (\_SB.PCI0.I2C1)
{
Device (STSA)
{
Name (_HID, "SYTS7508")
Name (_CID, "PNP0C50")
Name (_UID, 4)
Name (ISTP, 0) /* TouchScreen */
/* Fetch HidDescriptorAddress, Register offset in the
* I2C device at which the HID descriptor can be read
*/
Method (_DSM, 4, NotSerialized)
{
If (Arg0 == ToUUID ("3cdff6f7-4267-4555-ad05-b30a3d8938de"))
{
// DSM Revision
If (Arg2 == 0)
{
If (Arg1 == 1)
{
Return (Buffer (1)
{
0x03
})
}
Else
{
Return (Buffer (1)
{
0x00
})
}
}
// HID Function
If (Arg2 == 1)
{
Return (0x20)
}
}
Else
{
Return (Buffer (1)
{
0x00
})
}
Return (0)
}
Method(_CRS, 0x0, NotSerialized)
{
Name (BUF0, ResourceTemplate ()
{
I2cSerialBus(
0x20, /* SlaveAddress */
ControllerInitiated, /* SlaveMode */
400000, /* ConnectionSpeed */
AddressingMode7Bit, /* AddressingMode */
"\\_SB.PCI0.I2C1", /* ResourceSource */
)
GpioInt (Level, ActiveLow, SharedAndWake, PullDefault,,
"\\_SB.GPNC") { BOARD_TOUCH_GPIO_INDEX }
})
Return (BUF0)
}
Method (_STA)
{
If (\S1EN == 1) {
Return (0xF)
} Else {
Return (0x0)
}
}
#if CONFIG(CHROMEOS)
Name (_PRW, Package() { BOARD_TOUCHSCREEN_WAKE_GPIO, 0x3 })
#endif
/* Allow device to power off in S0 */
Name (_S0W, 4)
}
}
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