coreboot-kgpe-d16/src/drivers/i2c/tpm/chip.h
Justin TerAvest ec91dd8feb drivers/i2c/tpm: Add irq_gpio support to tpm.
Grunt (a amd-stoneyridge based platform) uses a GPIO to interface with
the tpm. This change allows devicetree entries to use a irq_gpio entry
to describe the interface with the TPM.

BUG=b:72655090

Change-Id: I08289891408d7176f68eb9c67f7a417a2448c2de
Signed-off-by: Justin TerAvest <teravest@chromium.org>
Reviewed-on: https://review.coreboot.org/23500
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-01-30 05:40:05 +00:00

11 lines
380 B
C

#include <arch/acpi_device.h>
#include <device/i2c_simple.h>
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 */
};