src/drivers/i2c/tpm/chip.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

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

#include <acpi/acpi_device.h>
#include <device/i2c_simple.h>

enum tpm_power_managed_mode {
	TPM_DEFAULT_POWER_MANAGED = 0,
	TPM_FIRMWARE_POWER_MANAGED,
	TPM_KERNEL_POWER_MANAGED,
};

struct drivers_i2c_tpm_config {
	const char *hid;	/* ACPI _HID (required) */
	const char *desc;	/* Device Description */
	unsigned int uid;	/* ACPI _UID */
	enum i2c_speed speed;	/* Bus speed in Hz, default is I2C_SPEED_FAST */
	struct acpi_irq irq;	/* Interrupt */
	struct acpi_gpio irq_gpio;	/* GPIO interrupt */
	enum tpm_power_managed_mode power_managed_mode;	/* TPM power managed mode */
};