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/*
* This file is part of the coreboot project.
*
* Copyright 2017 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.
*/
#ifndef __SPI_ACPI_CHIP_H__
#define __SPI_ACPI_CHIP_H__
#include <arch/acpi_device.h>
struct drivers_spi_acpi_config {
const char *hid; /* ACPI _HID (required) */
const char *cid; /* ACPI _CID */
const char *name; /* ACPI Device Name */
const char *desc; /* Device Description */
unsigned uid; /* ACPI _UID */
unsigned speed; /* Bus speed in Hz (default 1MHz) */
const char *compat_string; /* Compatible string for _HID=PRP0001 */
struct acpi_irq irq; /* Interrupt */
unsigned wake; /* Wake GPE */
/* Use GPIO based interrupt instead of PIRQ */
struct acpi_gpio irq_gpio;
/* Disable reset and enable GPIO export in _CRS */
bool disable_gpio_export_in_crs;
/* Does the device have a power resource? */
bool has_power_resource;
/* GPIO used to take device out of reset or to put it into reset. */
struct acpi_gpio reset_gpio;
/* Delay to be inserted after device is taken out of reset. */
unsigned int reset_delay_ms;
/* Delay to be inserted after device is put into reset. */
unsigned int reset_off_delay_ms;
/* GPIO used to enable device. */
struct acpi_gpio enable_gpio;
/* Delay to be inserted after device is enabled. */
unsigned int enable_delay_ms;
/* Delay to be inserted after device is disabled. */
unsigned int enable_off_delay_ms;
/* GPIO used to stop operation of device. */
struct acpi_gpio stop_gpio;
/* Delay to be inserted after disabling stop. */
unsigned int stop_delay_ms;
/* Delay to be inserted after enabling stop. */
unsigned int stop_off_delay_ms;
};
#endif /* __SPI_ACPI_CHIP_H__ */
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