Furquan Shaikh | 20a91c9 | 2017-02-11 11:16:18 -0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright 2017 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | #ifndef __SPI_ACPI_CHIP_H__ |
| 17 | #define __SPI_ACPI_CHIP_H__ |
| 18 | |
| 19 | #include <arch/acpi_device.h> |
| 20 | |
| 21 | struct drivers_spi_acpi_config { |
| 22 | const char *hid; /* ACPI _HID (required) */ |
| 23 | const char *cid; /* ACPI _CID */ |
| 24 | const char *name; /* ACPI Device Name */ |
| 25 | const char *desc; /* Device Description */ |
| 26 | unsigned uid; /* ACPI _UID */ |
Duncan Laurie | c9db384 | 2017-02-17 17:14:35 -0800 | [diff] [blame^] | 27 | unsigned speed; /* Bus speed in Hz (default 1MHz) */ |
Furquan Shaikh | 20a91c9 | 2017-02-11 11:16:18 -0800 | [diff] [blame] | 28 | const char *compat_string; /* Compatible string for _HID=PRP0001 */ |
| 29 | struct acpi_irq irq; /* Interrupt */ |
Duncan Laurie | c9db384 | 2017-02-17 17:14:35 -0800 | [diff] [blame^] | 30 | unsigned wake; /* Wake GPE */ |
| 31 | |
| 32 | /* Use GPIO based interrupt instead of PIRQ */ |
| 33 | struct acpi_gpio irq_gpio; |
| 34 | |
| 35 | /* Disable reset and enable GPIO export in _CRS */ |
| 36 | bool disable_gpio_export_in_crs; |
| 37 | |
| 38 | /* Does the device have a power resource? */ |
| 39 | bool has_power_resource; |
| 40 | |
| 41 | /* GPIO used to take device out of reset or to put it into reset. */ |
| 42 | struct acpi_gpio reset_gpio; |
| 43 | /* Delay to be inserted after device is taken out of reset. */ |
| 44 | unsigned reset_delay_ms; |
| 45 | |
| 46 | /* GPIO used to enable device. */ |
| 47 | struct acpi_gpio enable_gpio; |
| 48 | /* Delay to be inserted after device is enabled. */ |
| 49 | unsigned enable_delay_ms; |
Furquan Shaikh | 20a91c9 | 2017-02-11 11:16:18 -0800 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | #endif /* __SPI_ACPI_CHIP_H__ */ |