fa06bcba06
Change-Id: I4f2f02623b060ef0ebefc5aceb713c77a8b1e9a6 Signed-off-by: Felix Singer <felixsinger@posteo.net> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71523 Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
64 lines
1.3 KiB
Plaintext
64 lines
1.3 KiB
Plaintext
/* SPDX-License-Identifier: GPL-2.0-only */
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Scope (\_SB.PCI0.I2C4)
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{
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Device (TPAD)
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{
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Name(_ADR, 1)
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Name (_HID, "ALPS0001")
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Name (_CID, "PNP0C50")
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Name (_DDN, "ALPS Touchpad")
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Name (_UID, 1)
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Name (ISTP, 1) /* Touchpad */
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Name (_CRS, ResourceTemplate()
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{
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I2cSerialBus (
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0x2C, // SlaveAddress
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ControllerInitiated, // SlaveMode
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400000, // ConnectionSpeed
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AddressingMode7Bit, // AddressingMode
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"\\_SB.PCI0.I2C4", // ResourceSource
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)
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Interrupt (ResourceConsumer, Level, ActiveLow)
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{
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GPIO_18_IRQ
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}
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GpioInt (Level, ActiveLow, ExclusiveAndWake, PullUp, 0x0000, "\\_SB.GPO1", 0x00, ResourceConsumer, ,)
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{
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18
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}
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})
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Method (_STA)
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{
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Return (0xF)
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}
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Method(_DSM, 0x4, NotSerialized)
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{
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// DSM UUID for HIDI2C - HID driver does not load without DSM
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If(Arg0 == ToUUID("3CDFF6F7-4267-4555-AD05-B30A3D8938DE"))
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{
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// Function 0 : Query Function
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If(Arg2 == 0)
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{
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// Revision 1
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If(Arg1 == 1)
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{
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Return (Buffer (1) {0x03})
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}
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Else
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{
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Return (Buffer (1) {0x00})
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}
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} ElseIf (Arg2 == 1) { // Function 1 : HID Function
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// HID Descriptor Address (IHV Specific)
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Return(0x0020)
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} Else {
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Return (Buffer (1) {0x00})
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}
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} Else {
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Return (Buffer (1) {0x00})
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}
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}
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}
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}
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