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 #define MAX_GENERIC_PROPERTY_LIST 10
   9
  10 struct drivers_spi_acpi_config {
  11         const char *hid;                /* ACPI _HID (required) */
  12         const char *cid;                /* ACPI _CID */
  13         const char *name;               /* ACPI Device Name */
  14         const char *desc;               /* Device Description */
  15         unsigned int uid;                       /* ACPI _UID */
  16         unsigned int speed;                     /* Bus speed in Hz (default 1MHz) */
  17         const char *compat_string;      /* Compatible string for _HID=PRP0001 */
  18         struct acpi_irq irq;            /* Interrupt */
  19         unsigned int wake;                      /* Wake GPE */
  20
  21         /* Use GPIO based interrupt instead of PIRQ */
  22         struct acpi_gpio irq_gpio;
  23
  24         /* Does the device have a power resource? */
  25         bool has_power_resource;
  26
  27         /* GPIO used to take device out of reset or to put it into reset. */
  28         struct acpi_gpio reset_gpio;
  29         /* Delay to be inserted after device is taken out of reset. */
  30         unsigned int reset_delay_ms;
  31         /* Delay to be inserted after device is put into reset. */
  32         unsigned int reset_off_delay_ms;
  33
  34         /* GPIO used to enable device. */
  35         struct acpi_gpio enable_gpio;
  36         /* Delay to be inserted after device is enabled. */
  37         unsigned int enable_delay_ms;
  38         /* Delay to be inserted after device is disabled. */
  39         unsigned int enable_off_delay_ms;
  40
  41         /* GPIO used to stop operation of device. */
  42         struct acpi_gpio stop_gpio;
  43         /* Delay to be inserted after disabling stop. */
  44         unsigned int stop_delay_ms;
  45         /* Delay to be inserted after enabling stop. */
  46         unsigned int stop_off_delay_ms;
  47         /* Generic properties for exporting device-specific data to the OS */
  48         struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST];
  49         unsigned int property_count;
  50 };
  51
  52 #endif /* __SPI_ACPI_CHIP_H__ */