linux-kernel - Re: [PATCH 4/7] ARM: dts: sun7i: Add pinmux settings for LCD0 RGB888 output.

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Date:   Sun, 25 Mar 2018 16:09:13 +0200
From:   Paul Kocialkowski <contact@...lk.fr>
To:     Giulio Benetti <giulio.benetti@...ronovasrl.com>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     devicetree@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/7] ARM: dts: sun7i: Add pinmux settings for LCD0
 RGB888 output.

Hi,

Le mercredi 21 mars 2018 à 21:03 +0100, Giulio Benetti a écrit :
> The A20 supports RGB888 with H/V sync from LCD0. Add a pinmux setting
> for the needed pins.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti@...ronovasrl.com>
> ---
>  arch/arm/boot/dts/sun7i-a20.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi
> b/arch/arm/boot/dts/sun7i-a20.dtsi
> index efb5607..bfe6728 100644
> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> @@ -922,6 +922,14 @@
>  				pins = "PI20", "PI21";
>  				function = "uart7";
>  			};
> +
> +			lcd0_rgb888_pins: lcd0-rgb888-pins {

It would be more consistent with other pins definitions to have
underscores in both names and to indicate the index, such as:
lcd0_rgb888_pins: lcd0_rgb888_pins@0 {

This way, other set of pins for LCD (PH0-PH27) can be declared as @1
when they are needed in the future.

> +				pins = "PD0", "PD1", "PD2", "PD3",
> "PD4", "PD5", "PD6", "PD7",
> +				       "PD8", "PD9", "PD10", "PD11",
> "PD12", "PD13", "PD14", "PD15",
> +				       "PD16", "PD17", "PD18",
> "PD19", "PD20", "PD21", "PD22", "PD23",
> +				       "PD24", "PD25", "PD26",
> "PD27";
> +				function = "lcd0";
> +			};
>  		};
>  
>  		timer@...0c00 {

-- 
Paul Kocialkowski,

developer of free digital technology and hardware support.

Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/
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