src/drivers/spi/acpi/chip.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __SPI_ACPI_CHIP_H__
   4 #define __SPI_ACPI_CHIP_H__
   5
   6 #include <acpi/acpi_device.h>
   7
   8 struct drivers_spi_acpi_config {
   9         const char *hid;                /* ACPI _HID (required) */
  10         const char *cid;                /* ACPI _CID */
  11         const char *name;               /* ACPI Device Name */
  12         const char *desc;               /* Device Description */
  13         unsigned int uid;                       /* ACPI _UID */
  14         unsigned int speed;                     /* Bus speed in Hz (default 1MHz) */
  15         const char *compat_string;      /* Compatible string for _HID=PRP0001 */
  16         struct acpi_irq irq;            /* Interrupt */
  17         unsigned int wake;                      /* Wake GPE */
  18
  19         /* Use GPIO based interrupt instead of PIRQ */
  20         struct acpi_gpio irq_gpio;
  21
  22         /* Does the device have a power resource? */
  23         bool has_power_resource;
  24
  25         /* GPIO used to take device out of reset or to put it into reset. */
  26         struct acpi_gpio reset_gpio;
  27         /* Delay to be inserted after device is taken out of reset. */
  28         unsigned int reset_delay_ms;
  29         /* Delay to be inserted after device is put into reset. */
  30         unsigned int reset_off_delay_ms;
  31
  32         /* GPIO used to enable device. */
  33         struct acpi_gpio enable_gpio;
  34         /* Delay to be inserted after device is enabled. */
  35         unsigned int enable_delay_ms;
  36         /* Delay to be inserted after device is disabled. */
  37         unsigned int enable_off_delay_ms;
  38
  39         /* GPIO used to stop operation of device. */
  40         struct acpi_gpio stop_gpio;
  41         /* Delay to be inserted after disabling stop. */
  42         unsigned int stop_delay_ms;
  43         /* Delay to be inserted after enabling stop. */
  44         unsigned int stop_off_delay_ms;
  45 };
  46
  47 #endif /* __SPI_ACPI_CHIP_H__ */