src/drivers/spi/acpi/chip.h

/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __SPI_ACPI_CHIP_H__
#define __SPI_ACPI_CHIP_H__

#include <acpi/acpi_device.h>

#define MAX_GENERIC_PROPERTY_LIST 10

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 int uid;			/* ACPI _UID */
	unsigned int speed;			/* Bus speed in Hz (default 1MHz) */
	const char *compat_string;	/* Compatible string for _HID=PRP0001 */
	struct acpi_irq irq;		/* Interrupt */
	unsigned int wake;			/* Wake GPE */

	/* Use GPIO based interrupt instead of PIRQ */
	struct acpi_gpio irq_gpio;

	/* 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;
	/* Generic properties for exporting device-specific data to the OS */
	struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST];
	unsigned int property_count;
};

#endif /* __SPI_ACPI_CHIP_H__ */