diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpi_device.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/acpi/acpi_device.h b/include/acpi/acpi_device.h index 69b90968a8a..002e8356448 100644 --- a/include/acpi/acpi_device.h +++ b/include/acpi/acpi_device.h @@ -12,6 +12,7 @@ #include <linux/bitops.h> struct acpi_ctx; +struct gpio_desc; struct irq; struct udevice; @@ -233,4 +234,25 @@ enum acpi_dev_status acpi_device_status(const struct udevice *dev); int acpi_device_write_interrupt_irq(struct acpi_ctx *ctx, const struct irq *req_irq); +/** + * acpi_device_write_gpio() - Write GpioIo() or GpioInt() descriptor + * + * @gpio: GPIO information to write + * @return GPIO pin number of first GPIO if OK, -ve on error + */ +int acpi_device_write_gpio(struct acpi_ctx *ctx, const struct acpi_gpio *gpio); + +/** + * acpi_device_write_gpio_desc() - Write a GPIO to ACPI + * + * This creates a GPIO descriptor for a GPIO, including information ACPI needs + * to use it. + * + * @ctx: ACPI context pointer + * @desc: GPIO to write + * @return 0 if OK, -ve on error + */ +int acpi_device_write_gpio_desc(struct acpi_ctx *ctx, + const struct gpio_desc *desc); + #endif |