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[media] dt-bindings: Document Renesas R-Car FCP power-domains usage 

The power domain must be specified to bring the device out of module
standby. Document this in the bindings provided, so that new additions
are not missed.

Signed-off-by: Kieran Bingham <kieran+renesas@bingham.xyz>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Kieran Bingham 2016-06-30 13:50:29 -03:00 committed by Mauro Carvalho Chehab
parent 306dbe5548
commit 147fcfca19
1 changed files with 5 additions and 0 deletions
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Documentation/devicetree/bindings/media/renesas,fcp.txt
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@ -23,6 +23,10 @@ are paired with. These DT bindings currently support the FCPV and FCPF.
- reg: the register base and size for the device registers - reg: the register base and size for the device registers
- clocks: Reference to the functional clock - clocks: Reference to the functional clock
Optional properties:
- power-domains : power-domain property defined with a power domain specifier
to respective power domain.
Device node example Device node example
------------------- -------------------
@ -31,4 +35,5 @@ Device node example
compatible = "renesas,r8a7795-fcpv", "renesas,fcpv"; compatible = "renesas,r8a7795-fcpv", "renesas,fcpv";
reg = <0 0xfea2f000 0 0x200>; reg = <0 0xfea2f000 0 0x200>;
clocks = <&cpg CPG_MOD 602>; clocks = <&cpg CPG_MOD 602>;
power-domains = <&sysc R8A7795_PD_A3VP>;
}; };