linux-kernel - Re: [PATCH v2 5/9] arm64: dts: ti: k3-am62x-sk: Enable camera peripherals

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Message-ID: <33a4a072-a915-4994-8d5e-6032a769475e@ti.com>
Date:   Mon, 20 Nov 2023 13:32:33 -0600
From:   Andrew Davis <afd@...com>
To:     Jai Luthra <j-luthra@...com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Aradhya Bhatia <a-bhatia1@...com>,
        Devarsh Thakkar <devarsht@...com>,
        Vaishnav Achath <vaishnav.a@...com>,
        Julien Massot <julien.massot@...labora.com>,
        Martyn Welch <martyn.welch@...labora.com>,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: Re: [PATCH v2 5/9] arm64: dts: ti: k3-am62x-sk: Enable camera
 peripherals

On 11/17/23 3:28 AM, Jai Luthra wrote:
> CSI cameras are controlled using I2C, on SK-AM62 and derivative boards
> this is routed to I2C-2, so enable that bus. Also enable the nodes for
> CSI-RX and DPHY-RX IPs.
> 
> Specific sensor connected to this bus will be described in the DT
> overlay for each sensor.
> 
> Tested-by: Martyn Welch <martyn.welch@...labora.com>
> Signed-off-by: Jai Luthra <j-luthra@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 19f57ead4ebd..21658f811307 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -399,6 +399,13 @@ sii9022_out: endpoint {
>   	};
>   };
>   
> +&main_i2c2 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&main_i2c2_pins_default>;
> +	clock-frequency = <400000>;
> +};
> +
>   &sdhci0 {
>   	bootph-all;
>   	status = "okay";
> @@ -517,3 +524,11 @@ dpi1_out: endpoint {
>   		};
>   	};
>   };
> +
> +&ti_csi2rx0 {
> +	status = "okay";
> +};
> +
> +&dphy0 {
> +	status = "okay";
> +};
> 

Why do this in the common file? These should go in the overlays
that actually make use of these nodes, same as you did for BeaglePlay
in patch [4/9].

Andrew