src/drivers/uart/acpi/chip.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #ifndef __DRIVERS_UART_ACPI_H__
   4 #define __DRIVERS_UART_ACPI_H__
   5
   6 #include <acpi/acpi_device.h>
   7
   8 struct drivers_uart_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 wake;              /* Wake GPE */
  15         const char *compat_string;      /* Compatible string for _HID=PRP0001 */
  16         struct acpi_irq irq;            /* PIRQ */
  17         struct acpi_gpio irq_gpio;      /* GPIO to be used instead of PIRQ */
  18         struct acpi_uart uart;          /* UART device information */
  19
  20         /* Does the device have a power resource? */
  21         bool has_power_resource;
  22
  23         /* GPIO used to take device out of reset or to put it into reset. */
  24         struct acpi_gpio reset_gpio;
  25         /* Delay to be inserted after device is taken out of reset. */
  26         unsigned int reset_delay_ms;
  27         /* Delay to be inserted after device is put into reset. */
  28         unsigned int reset_off_delay_ms;
  29
  30         /* GPIO used to enable device. */
  31         struct acpi_gpio enable_gpio;
  32         /* Delay to be inserted after device is enabled. */
  33         unsigned int enable_delay_ms;
  34         /* Delay to be inserted after device is disabled. */
  35         unsigned int enable_off_delay_ms;
  36
  37         /* GPIO used to stop operation of device. */
  38         struct acpi_gpio stop_gpio;
  39         /* Delay to be inserted after disabling stop. */
  40         unsigned int stop_delay_ms;
  41         /* Delay to be inserted after enabling stop. */
  42         unsigned int stop_off_delay_ms;
  43 };
  44
  45 #endif /* __DRIVERS_UART_ACPI_H__ */