linux-kernel - Re: [PATCH] ARM: dts: sun8i-v3s: Add CSI0 MCLK pin definition

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Message-ID: <3035881.9zrMQt1rZd@jernej-laptop>
Date:   Tue, 22 Dec 2020 09:17:30 +0100
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Paul Kocialkowski <contact@...lk.fr>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Paul Kocialkowski <contact@...lk.fr>
Subject: Re: [PATCH] ARM: dts: sun8i-v3s: Add CSI0 MCLK pin definition

Hi!

Dne petek, 18. december 2020 ob 20:50:33 CET je Paul Kocialkowski napisal(a):
> This adds a device-tree definition for the CSI0 MCLK pin,
> which can be used for feeding MIPI CSI-2 sensors.
> 
> Signed-off-by: Paul Kocialkowski <contact@...lk.fr>

Is this used anywhere? Current policy is to add pin definitions only if any 
user exists.

Best regards,
Jernej

> ---
>  arch/arm/boot/dts/sun8i-v3s.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi
> b/arch/arm/boot/dts/sun8i-v3s.dtsi index a9f5795d4e57..bff822b9fa01 100644
> --- a/arch/arm/boot/dts/sun8i-v3s.dtsi
> +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
> @@ -337,6 +337,12 @@ pio: pinctrl@...0800 {
>  			interrupt-controller;
>  			#interrupt-cells = <3>;
> 
> +			/omit-if-no-ref/
> +			csi0_mclk_pin: csi0-mclk-pin {
> +				pins = "PE20";
> +				function = "csi_mipi";
> +			};
> +
>  			/omit-if-no-ref/
>  			csi1_8bit_pins: csi1-8bit-pins {
>  				pins = "PE0", "PE2", "PE3", 
"PE8", "PE9",