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Diffstat (limited to 'src/mainboard/google/chell/acpi/mainboard.asl')
| -rw-r--r-- | src/mainboard/google/chell/acpi/mainboard.asl | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/mainboard/google/chell/acpi/mainboard.asl b/src/mainboard/google/chell/acpi/mainboard.asl new file mode 100644 index 000000000000..a292f46385e7 --- /dev/null +++ b/src/mainboard/google/chell/acpi/mainboard.asl @@ -0,0 +1,251 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Google Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include "../gpio.h" + +#define BOARD_TOUCHPAD_I2C_ADDR 0x15 +#define BOARD_TOUCHPAD_IRQ TOUCHPAD_INT_L + +#define BOARD_TOUCHSCREEN_I2C_ADDR 0x10 +#define BOARD_TOUCHSCREEN_IRQ TOUCHSCREEN_INT_L + +#define BOARD_HP_MIC_CODEC_I2C_ADDR 0x1a +#define BOARD_HP_MIC_CODEC_IRQ MIC_INT_L +#define BOARD_LEFT_SPEAKER_AMP_I2C_ADDR 0x34 +#define BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR 0x35 + +Scope (\_SB) +{ + Device (LID0) + { + Name (_HID, EisaId ("PNP0C0D")) + Method (_LID, 0) + { + Return (\_SB.PCI0.LPCB.EC0.LIDS) + } + + Name (_PRW, Package () { GPE_EC_WAKE, 5 }) + } + + Device (PWRB) + { + Name (_HID, EisaId ("PNP0C0C")) + } +} + +/* + * LPC Trusted Platform Module + */ +Scope (\_SB.PCI0.LPCB) +{ + #include <drivers/pc80/tpm/acpi/tpm.asl> +} + +/* + * WLAN connected to Root Port 1 + */ +Scope (\_SB.PCI0.RP01) +{ + Device (WLAN) + { + Name (_ADR, 0x00000000) + Name (_DDN, "Wireless LAN") + Name (_PRW, Package () { GPE_WLAN_WAKE, 3 }) + } +} + +Scope (\_SB.PCI0.I2C0) +{ + /* Touchscreen */ + Device (ELTS) + { + Name (_HID, "ELAN0001") + Name (_DDN, "Elan Touchscreen") + Name (_UID, 1) + Name (_S0W, 4) + + Name (_CRS, ResourceTemplate () + { + I2cSerialBus ( + BOARD_TOUCHSCREEN_I2C_ADDR, + ControllerInitiated, + 400000, + AddressingMode7Bit, + "\\_SB.PCI0.I2C0", + ) + Interrupt (ResourceConsumer, Edge, ActiveLow) + { + BOARD_TOUCHSCREEN_IRQ + } + }) + + Method (_STA) + { + Return (0xF) + } + } +} + +Scope (\_SB.PCI0.I2C1) +{ + /* Touchpad */ + Device (ELTP) + { + Name (_HID, "ELAN0000") + Name (_DDN, "Elan Touchpad") + Name (_UID, 1) + Name (_S0W, 4) + + Name (_CRS, ResourceTemplate () + { + I2cSerialBus ( + BOARD_TOUCHPAD_I2C_ADDR, + ControllerInitiated, + 400000, + AddressingMode7Bit, + "\\_SB.PCI0.I2C1", + ) + Interrupt (ResourceConsumer, Edge, ActiveLow) + { + BOARD_TOUCHPAD_IRQ + } + }) + + Method (_STA) + { + Return (0xF) + } + } +} + +Scope (\_SB.PCI0.I2C4) +{ + /* Headphone Codec */ + Device (HPMC) + { + Name (_HID, "10508825") + Name (_DDN, "NAU88L25 Codec") + Name (_UID, 1) + + /* + * Add DT style bindings with _DSD + * Device property values are documented in kernel doc + * Documentation/devicetree/bindings/sound/nau8825.txt + */ + Name (_DSD, Package () { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + /* Enable jack detection via JKDET pin */ + Package () {"nuvoton,jkdet-enable", 1}, + /* + * JKDET pin is pulled up by R389 on board. + * JKDET pin polarity = active low + */ + Package () {"nuvoton,jkdet-polarity", 1}, + /* VREF Impedance = 125 kOhm */ + Package () {"nuvoton,vref-impedance", 2}, + /* VDDA(1.8) * 1.53 = 2.754 */ + Package () {"nuvoton,micbias-voltage", 6}, + /* + * Setup 4 buttons impedance according to + * Android specification + */ + Package () {"nuvoton,sar-threshold-num", 4}, + Package () {"nuvoton,sar-threshold", + Package () {0xc, 0x1e, 0x38, 0x60}}, + Package () {"nuvoton,sar-hysteresis", 1}, + /* VDDA for button impedance measurement */ + Package () {"nuvoton,sar-voltage", 0}, + /* 100ms short key press debounce */ + Package () {"nuvoton,short-key-debounce", 2}, + /* 2^(7+2) = 512 ms insert/eject debounce */ + Package () {"nuvoton,jack-insert-debounce", 7}, + Package () {"nuvoton,jack-eject-debounce", 7}, + } + }) + + Name (_CRS, ResourceTemplate() + { + I2cSerialBus ( + BOARD_HP_MIC_CODEC_I2C_ADDR, + ControllerInitiated, + 400000, + AddressingMode7Bit, + "\\_SB.PCI0.I2C4", + ) + Interrupt (ResourceConsumer, Level, ActiveLow) + { + BOARD_HP_MIC_CODEC_IRQ + } + }) + + Method (_STA) + { + Return (0xF) + } + } + + /* Left Speaker Amp */ + Device (SPKL) + { + Name (_HID, "INT343B") + Name (_DDN, "SSM4567 Speaker Amp") + Name (_UID, 0) + + Name (_CRS, ResourceTemplate() + { + I2cSerialBus ( + BOARD_LEFT_SPEAKER_AMP_I2C_ADDR, + ControllerInitiated, + 400000, + AddressingMode7Bit, + "\\_SB.PCI0.I2C4", + ) + }) + + Method (_STA) + { + Return (0xF) + } + } + + /* Right Speaker Amp */ + Device (SPKR) + { + Name (_HID, "INT343B") + Name (_DDN, "SSM4567 Speaker Amp") + Name (_UID, 1) + + Name (_CRS, ResourceTemplate() + { + I2cSerialBus ( + BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR, + ControllerInitiated, + 400000, + AddressingMode7Bit, + "\\_SB.PCI0.I2C4", + ) + }) + + Method (_STA) + { + Return (0xF) + } + } +} |