diff options
Diffstat (limited to 'src/mainboard/google/cyan/acpi/trackpad_elan.asl')
| -rw-r--r-- | src/mainboard/google/cyan/acpi/trackpad_elan.asl | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mainboard/google/cyan/acpi/trackpad_elan.asl b/src/mainboard/google/cyan/acpi/trackpad_elan.asl new file mode 100644 index 0000000000..f89e1bc23f --- /dev/null +++ b/src/mainboard/google/cyan/acpi/trackpad_elan.asl @@ -0,0 +1,53 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Google Inc. + * Copyright (C) 2015 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; version 2 of the License. + * + * 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. + */ + +Scope (\_SB.PCI0.I2C6) +{ + Device (ETPA) + { + Name (_HID, "ELAN0000") + Name (_DDN, "Elan Touchpad") + Name (_UID, 3) + Name (ISTP, 1) /* Touchpad */ + + Name (_CRS, ResourceTemplate() + { + I2cSerialBus ( + 0x15, /* SlaveAddress */ + ControllerInitiated, /* SlaveMode */ + 400000, /* ConnectionSpeed */ + AddressingMode7Bit, /* AddressingMode */ + "\\_SB.PCI0.I2C6", /* ResourceSource */ + ) + GpioInt (Level, ActiveLow, ExclusiveAndWake, PullNone,, + "\\_SB.GPNC") { BOARD_TRACKPAD_GPIO_INDEX } + }) + + Method (_STA) + { + If (LEqual (\S6EN, 1)) { + Return (0xF) + } Else { + Return (0x0) + } + } + + Name (_PRW, Package() { BOARD_TRACKPAD_WAKE_GPIO, 0x3 }) + + /* Allow device to power off in S0 */ + Name (_S0W, 4) + } +} |