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-rw-r--r--src/arch/x86/include/arch/acpi_device.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpi_device.h b/src/arch/x86/include/arch/acpi_device.h
index aba5c2d1a6..7d4cb8fd89 100644
--- a/src/arch/x86/include/arch/acpi_device.h
+++ b/src/arch/x86/include/arch/acpi_device.h
@@ -240,6 +240,15 @@ struct acpi_spi {
void acpi_device_write_spi(const struct acpi_spi *spi);
/*
+ * Add a basic PowerResource block for a device that includes
+ * GPIOs for enable and/or reset control of the device. Each
+ * GPIO is optional, but at least one must be provided.
+ */
+void acpi_device_add_power_res(
+ struct acpi_gpio *reset, unsigned reset_delay_ms,
+ struct acpi_gpio *enable, unsigned enable_delay_ms);
+
+/*
* Writing Device Properties objects via _DSD
*
* http://uefi.org/sites/default/files/resources/_DSD-device-properties-UUID.pdf