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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corp.
* (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <soc/gpio_defs.h>
Scope (\_SB.PCI0.I2C4)
{
Device (ETPA)
{
Name (_HID, "ELAN0000")
Name (_DDN, "Elan Touchpad")
Name (_UID, 1)
Name (ISTP, 1) /* Touchpad */
Name (_CRS, ResourceTemplate()
{
I2cSerialBus (
0x15, // SlaveAddress
ControllerInitiated, // SlaveMode
400000, // ConnectionSpeed
AddressingMode7Bit, // AddressingMode
"\\_SB.PCI0.I2C4", // ResourceSource
)
Interrupt (ResourceConsumer, Edge, ActiveLow)
{
GPIO_18_IRQ
}
})
Method (_STA)
{
Return (0xF)
}
}
}
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