linux-kernel - Re: [PATCH 12/13] arm: dts: s5pv210: Correct FIMC definitions

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Message-ID: <20200428103227.GE23963@kozik-lap>
Date:   Tue, 28 Apr 2020 12:32:27 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jonathan Bakker <xc-racer2@...e.ca>
Cc:     kgene@...nel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/13] arm: dts: s5pv210: Correct FIMC definitions

On Sun, Apr 26, 2020 at 11:36:03AM -0700, Jonathan Bakker wrote:
> The extended mainscaler is only available on FIMC1 and there
> are minimum pixel alignments that differ from the default.
> Additionally, the cam-if interface is available on all three
> while FIMC2 has no rotators.  The lcd-wb interface is supported
> on FIMC1.
> 
> Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
> ---
>  arch/arm/boot/dts/s5pv210.dtsi | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
> index b3b6ad2889f9..3cbf6c05f42a 100644
> --- a/arch/arm/boot/dts/s5pv210.dtsi
> +++ b/arch/arm/boot/dts/s5pv210.dtsi
> @@ -626,7 +626,7 @@
>  				clock-names = "fimc",
>  						"sclk_fimc";
>  				samsung,pix-limits = <4224 8192 1920 4224>;
> -				samsung,mainscaler-ext;
> +				samsung,min-pix-alignment = <16 8>;
>  				samsung,cam-if;
>  			};
>  
> @@ -639,9 +639,11 @@
>  						<&clocks SCLK_FIMC1>;
>  				clock-names = "fimc",
>  						"sclk_fimc";
> -				samsung,pix-limits = <4224 8192 1920 4224>;
>  				samsung,mainscaler-ext;
> +				samsung,min-pix-alignment = <1 1>;
> +				samsung,pix-limits = <4224 8192 1920 4224>;

The line just moved around. I guess this was not intended?

Best regards,
Krzysztof

>  				samsung,cam-if;
> +				samsung,lcd-wb;
>  			};
>  
>  			fimc2: fimc@...00000 {
> @@ -653,9 +655,10 @@
>  						<&clocks SCLK_FIMC2>;
>  				clock-names = "fimc",
>  						"sclk_fimc";
> -				samsung,pix-limits = <4224 8192 1920 4224>;
> -				samsung,mainscaler-ext;
> -				samsung,lcd-wb;
> +				samsung,pix-limits = <1920 8192 1280 1920>;
> +				samsung,min-pix-alignment = <16 8>;
> +				samsung,rotators = <0>;
> +				samsung,cam-if;
>  			};
>  		};
>  
> -- 
> 2.20.1
>