diff options
Diffstat (limited to 'src/drivers/uart/acpi/chip.h')
| -rw-r--r-- | src/drivers/uart/acpi/chip.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/drivers/uart/acpi/chip.h b/src/drivers/uart/acpi/chip.h new file mode 100644 index 0000000000..03111650eb --- /dev/null +++ b/src/drivers/uart/acpi/chip.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __DRIVERS_UART_ACPI_H__ +#define __DRIVERS_UART_ACPI_H__ + +#include <acpi/acpi_device.h> + +struct drivers_uart_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 wake; /* Wake GPE */ + const char *compat_string; /* Compatible string for _HID=PRP0001 */ + struct acpi_irq irq; /* PIRQ */ + struct acpi_gpio irq_gpio; /* GPIO to be used instead of PIRQ */ + struct acpi_uart uart; /* UART device information */ + + /* 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 /* __DRIVERS_UART_ACPI_H__ */ |