linux-kernel - Re: [PATCH v10 3/5] ARM: dts: at91: sama7g5: add nodes for video capture

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Message-ID: <323a98c7-85f1-a21c-d655-7b510481adc0@microchip.com>
Date:   Wed, 14 Dec 2022 12:55:06 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <Claudiu.Beznea@...rochip.com>, <Nicolas.Ferre@...rochip.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <jacopo@...ndi.org>, <hverkuil@...all.nl>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-media@...r.kernel.org>
Subject: Re: [PATCH v10 3/5] ARM: dts: at91: sama7g5: add nodes for video
 capture

On 5/3/22 12:51, Eugen Hristev wrote:
> Add node for the XISC (eXtended Image Sensor Controller) and CSI2DC
> (csi2 demux controller).
> These nodes represent the top level of the video capture hardware pipeline
> and are directly connected in hardware.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
> ---
> Changes in v10:
> - nodes disabled by default
> 
>   arch/arm/boot/dts/sama7g5.dtsi | 51 ++++++++++++++++++++++++++++++++++
>   1 file changed, 51 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
> index 4decd3a91a76..fe9c6df9819b 100644
> --- a/arch/arm/boot/dts/sama7g5.dtsi
> +++ b/arch/arm/boot/dts/sama7g5.dtsi
> @@ -454,6 +454,57 @@ sdmmc2: mmc@...0c000 {
>   			status = "disabled";
>   		};
>   
> +		csi2dc: csi2dc@...04000 {
> +			compatible = "microchip,sama7g5-csi2dc";
> +			reg = <0xe1404000 0x500>;
> +			clocks = <&pmc PMC_TYPE_PERIPHERAL 34>, <&xisc>;
> +			clock-names = "pclk", "scck";
> +			assigned-clocks = <&xisc>;
> +			assigned-clock-rates = <266000000>;
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				port@0 {
> +					reg = <0>;
> +					csi2dc_in: endpoint {
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					csi2dc_out: endpoint {
> +						bus-width = <14>;
> +						hsync-active = <1>;
> +						vsync-active = <1>;
> +						remote-endpoint = <&xisc_in>;
> +					};
> +				};
> +			};
> +		};
> +
> +		xisc: xisc@...08000 {
> +			compatible = "microchip,sama7g5-isc";
> +			reg = <0xe1408000 0x2000>;
> +			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&pmc PMC_TYPE_PERIPHERAL 56>;
> +			clock-names = "hclock";
> +			#clock-cells = <0>;
> +			clock-output-names = "isc-mck";
> +			status = "disabled";
> +
> +			port {
> +				xisc_in: endpoint {
> +					bus-type = <5>; /* Parallel */
> +					bus-width = <14>;
> +					hsync-active = <1>;
> +					vsync-active = <1>;
> +					remote-endpoint = <&csi2dc_out>;
> +				};
> +			};
> +		};
> +
>   		pwm: pwm@...04000 {
>   			compatible = "microchip,sama7g5-pwm", "atmel,sama5d2-pwm";
>   			reg = <0xe1604000 0x4000>;

Hello Claudiu, Nicolas,

This patch is ready to go now , as the media controller support for XISC 
driver is in tree.

Let me know if you need this to be resent.

Thanks,
Eugen