The FCP can't perform lossy decompression by itself, but relies instead on the DDR controller to provide that feature. To do so, it needs to allocate buffers from a special lossy decompression reserved memory area. This DT property references that memory area. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/media/renesas,fcp.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/media/renesas,fcp.txt b/Documentation/devicetree/bindings/media/renesas,fcp.txt index c1f28736e2d6..489b026c4016 100644 --- a/Documentation/devicetree/bindings/media/renesas,fcp.txt +++ b/Documentation/devicetree/bindings/media/renesas,fcp.txt @@ -19,8 +19,11 @@ are paired with. These DT bindings currently support the FCPV and FCPF. - clocks: Reference to the functional clock Optional properties: - - power-domains : power-domain property defined with a power domain specifier - to respective power domain. + - memory-region: list of phandles referencing the lossy decompression reserved + memory regions associated with the FCP, if any. Valid for FCPV + and FCPVI instances only. + - power-domains: power-domain property defined with a power domain specifier + to respective power domain. Device node example -- Regards, Laurent Pinchart
