linux-kernel - Re: [PATCH v2 1/1] DT: video: atmel_lcdc: Add example of fixed framebuffer memory

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Date:	Wed, 11 Mar 2015 17:39:25 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Alexander Stein <alexander.stein@...tec-electronic.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>
CC:	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/1] DT: video: atmel_lcdc: Add example of fixed framebuffer
 memory

Le 05/03/2015 08:35, Alexander Stein a écrit :
> This drivers allows a fixed framebuffer memory to be set by an additional
> IORESOURCE_MEM resource. Thus add an example to the DT documentation.
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tec-electronic.com>
> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

Queued in at91-4.1-dt. Thanks!

> ---
> Changes in v2:
> * Fix typo noticed by checkpatch.pl
> 
>  Documentation/devicetree/bindings/video/atmel,lcdc.txt | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/video/atmel,lcdc.txt b/Documentation/devicetree/bindings/video/atmel,lcdc.txt
> index f059dd0..ecb8da0 100644
> --- a/Documentation/devicetree/bindings/video/atmel,lcdc.txt
> +++ b/Documentation/devicetree/bindings/video/atmel,lcdc.txt
> @@ -10,7 +10,9 @@ Required properties:
>  	"atmel,at91sam9g45es-lcdc" ,
>  	"atmel,at91sam9rl-lcdc" ,
>  	"atmel,at32ap-lcdc"
> -- reg : Should contain 1 register ranges(address and length)
> +- reg : Should contain 1 register ranges(address and length).
> +	Can contain an additional register range(address and length)
> +	for fixed framebuffer memory. Useful for dedicated memories.
>  - interrupts : framebuffer controller interrupt
>  - display: a phandle pointing to the display node
>  
> @@ -38,6 +40,14 @@ Example:
>  
>  	};
>  
> +Example for fixed framebuffer memory:
> +
> +	fb0: fb@...0500000 {
> +		compatible = "atmel,at91sam9263-lcdc";
> +		reg = <0x00700000 0x1000 0x70000000 0x200000>;
> +		[...]
> +	};
> +
>  Atmel LCDC Display
>  -----------------------------------------------------
>  Required properties (as per of_videomode_helper):
> 


-- 
Nicolas Ferre
--
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