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Message-ID: <20190827202945.GA3488@bogus>
Date: Tue, 27 Aug 2019 15:29:45 -0500
From: Rob Herring <robh@...nel.org>
To: Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc: laurent.pinchart@...asonboard.com,
kieran.bingham+renesas@...asonboard.com, geert@...ux-m68k.org,
horms@...ge.net.au, uli@...nd.eu, airlied@...ux.ie,
daniel@...ll.ch, koji.matsuoka.xm@...esas.com, muroya@....co.jp,
VenkataRajesh.Kalakodima@...bosch.com,
Harsha.ManjulaMallikarjun@...bosch.com,
linux-renesas-soc@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
mark.rutland@....com
Subject: Re: [PATCH v3 02/14] dt-bindings: display, renesas,du: Document cmms
property
On Sun, Aug 25, 2019 at 03:51:42PM +0200, Jacopo Mondi wrote:
> Document the newly added 'cmms' property which accepts a list of phandle
> and channel index pairs that point to the CMM units available for each
> Display Unit output video channel.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> ---
> Documentation/devicetree/bindings/display/renesas,du.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
> index c97dfacad281..c2265e2a1af2 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.txt
> +++ b/Documentation/devicetree/bindings/display/renesas,du.txt
> @@ -45,6 +45,10 @@ Required Properties:
> instance that serves the DU channel, and the channel index identifies the
> LIF instance in that VSP.
>
> + - cmms: A list of phandles to the CMM instances present in the SoC, one
> + for each available DU channel. The property shall not be specified for
> + SoCs that do not provide any CMM (such as V3M and V3H).
renesas,cmms
Perhaps define what CMM is.
> +
> Required nodes:
>
> The connections to the DU output video ports are modeled using the OF graph
> @@ -91,6 +95,7 @@ Example: R8A7795 (R-Car H3) ES2.0 DU
> <&cpg CPG_MOD 721>;
> clock-names = "du.0", "du.1", "du.2", "du.3";
> vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>;
> + cmms = <&cmm0 &cmm1 &cmm2 &cmm3>;
>
> ports {
> #address-cells = <1>;
> --
> 2.22.0
>
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