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

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Date:   Wed, 14 Dec 2022 14:47:42 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <Eugen.Hristev@...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 14.12.2022 14:55, Eugen Hristev - M18282 wrote:
> 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,

Hi, Eugen,

> 
> 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.

No need. I'll take this one for the next PR.

Thank you,
Claudiu Beznea

> 
> Thanks,
> Eugen
>