[RESEND PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property

[richard . gong]

From: Richard Gong <richard.g...@intel.com>

Add authenticate-fpga-config property to support FPGA bitstream
authentication, which makes sure a signed bitstream has valid signatures.

Signed-off-by: Richard Gong <richard.g...@intel.com>
---
v2: changed in alphabetical order
---
 drivers/fpga/of-fpga-region.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c
index e405309..3840883 100644
--- a/drivers/fpga/of-fpga-region.c
+++ b/drivers/fpga/of-fpga-region.c
@@ -219,6 +219,9 @@ static struct fpga_image_info *of_fpga_region_parse_ov(
        info->overlay = overlay;
 
        /* Read FPGA region properties from the overlay */
+       if (of_property_read_bool(overlay, "authenticate-fpga-config"))
+               info->flags |= FPGA_MGR_BITSTREM_AUTHENTICATION;
+
        if (of_property_read_bool(overlay, "partial-fpga-config"))
                info->flags |= FPGA_MGR_PARTIAL_RECONFIG;
 
-- 
2.7.4