Commit 161db575 authored by Moritz Fischer's avatar Moritz Fischer Committed by Greg Kroah-Hartman

fpga: region: Add fpga-region property 'encrypted-fpga-config'

Add fpga-region property to allow passing the fact that the bitstream is
encrypted to the fpga-region and ultimately to the low-level driver.
Signed-off-by: default avatarMoritz Fischer <>
Acked-by: default avatarMichal Simek <>
Signed-off-by: default avatarAlan Tull <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent 7f33bbca
......@@ -186,6 +186,7 @@ Optional properties:
otherwise full reconfiguration is done.
- external-fpga-config : boolean, set if the FPGA has already been configured
prior to OS boot up.
- encrypted-fpga-config : boolean, set if the bitstream is encrypted
- region-unfreeze-timeout-us : The maximum time in microseconds to wait for
bridges to successfully become enabled after the region has been
......@@ -337,8 +337,9 @@ static int child_regions_with_firmware(struct device_node *overlay)
* The overlay must add either firmware-name or external-fpga-config property
* to the FPGA Region.
* firmware-name : program the FPGA
* external-fpga-config : FPGA is already programmed
* firmware-name : program the FPGA
* external-fpga-config : FPGA is already programmed
* encrypted-fpga-config : FPGA bitstream is encrypted
* The overlay can add other FPGA regions, but child FPGA regions cannot have a
* firmware-name property since those regions don't exist yet.
......@@ -373,6 +374,9 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
if (of_property_read_bool(nd->overlay, "external-fpga-config"))
if (of_property_read_bool(nd->overlay, "encrypted-fpga-config"))
of_property_read_string(nd->overlay, "firmware-name", &firmware_name);
of_property_read_u32(nd->overlay, "region-unfreeze-timeout-us",
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