mb/google/kahlee: Add grunt trackpad in devicetree
This commit removes a manually written asl file in favor of configuring the trackpad through devicetree. BUG=b:72121803 TEST=cat /proc/interrupts with trackpad connected Change-Id: I38afcf89ea64ffaf6a10bb317c41154feda57e50 Signed-off-by: Justin TerAvest <teravest@chromium.org> Reviewed-on: https://review.coreboot.org/23508 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2018 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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Device (ETPA)
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{
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Name (_HID, "ELAN0000")
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Name (_DDN, "Elan 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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0x15, /* SlaveAddress */
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ControllerInitiated, /* SlaveMode */
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400000, /* ConnectionSpeed */
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AddressingMode7Bit, /* AddressingMode */
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"\\_SB.I2CC", /* ResourceSource */
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)
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GpioInt (Level, ActiveLow, ExclusiveAndWake, PullNone,,
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"\\_SB.GPIO") { 0x5 }
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})
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/* Allow device to power off in S0 */
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Name (_S0W, 3)
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}
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@ -82,6 +82,15 @@ chip soc/amd/stoneyridge
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device pci 18.4 on end
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device pci 18.4 on end
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device pci 18.5 on end
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device pci 18.5 on end
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end #domain
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end #domain
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device mmio 0xfedc4000 on
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chip drivers/i2c/generic
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register "hid" = ""ELAN0000""
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register "desc" = ""ELAN Touchpad""
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register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_5)"
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# TODO(teravest): Add wake
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device i2c 15 on end
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end
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end
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device mmio 0xfedc5000 on
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device mmio 0xfedc5000 on
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chip drivers/i2c/generic
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chip drivers/i2c/generic
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register "hid" = ""ELAN0001""
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register "hid" = ""ELAN0001""
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@ -15,4 +15,3 @@
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#include <baseboard/acpi/mainboard.asl>
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#include <baseboard/acpi/mainboard.asl>
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#include <baseboard/acpi/audio.asl>
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#include <baseboard/acpi/audio.asl>
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#include <baseboard/acpi/touchpad.asl>
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