linux-kernel - Re: [PATCH 19/20] media: rcar-vin: Enable support for R8A774E1

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Message-ID: <20200717131904.GC175137@oden.dyn.berto.se>
Date:   Fri, 17 Jul 2020 15:19:04 +0200
From:   Niklas <niklas.soderlund@...natech.se>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Jens Axboe <axboe@...nel.dk>, Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Marek Vasut <marek.vasut+renesas@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Mark Brown <broonie@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Magnus Damm <magnus.damm@...il.com>,
        devicetree@...r.kernel.org, linux-ide@...r.kernel.org,
        dmaengine@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-pci@...r.kernel.org, alsa-devel@...a-project.org,
        linux-renesas-soc@...r.kernel.org, linux-usb@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>
Subject: Re: [PATCH 19/20] media: rcar-vin: Enable support for R8A774E1

Hi Lad,

Thanks for your work.

On 2020-07-16 18:18:34 +0100, Lad Prabhakar wrote:
> Add the SoC specific information for RZ/G2H (R8A774E1) SoC. Also add
> the routing information between CSI2 and VIN (which is similar to
> R-Car H3 except it lacks CSI41).
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@...renesas.com>

I do not have access to the datasheet so I can't verify the routing 
table so I trust it is correct.

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

> ---
>  drivers/media/platform/rcar-vin/rcar-core.c | 40 +++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
> index 7440c8965d27..4fb76d1df308 100644
> --- a/drivers/media/platform/rcar-vin/rcar-core.c
> +++ b/drivers/media/platform/rcar-vin/rcar-core.c
> @@ -944,6 +944,42 @@ static const struct rvin_info rcar_info_gen2 = {
>  	.max_height = 2048,
>  };
>  
> +static const struct rvin_group_route rcar_info_r8a774e1_routes[] = {
> +	{ .csi = RVIN_CSI40, .channel = 0, .vin = 0, .mask = BIT(0) | BIT(3) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 0, .mask = BIT(1) | BIT(4) },
> +	{ .csi = RVIN_CSI40, .channel = 1, .vin = 0, .mask = BIT(2) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 1, .mask = BIT(0) },
> +	{ .csi = RVIN_CSI40, .channel = 1, .vin = 1, .mask = BIT(1) | BIT(3) },
> +	{ .csi = RVIN_CSI40, .channel = 0, .vin = 1, .mask = BIT(2) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 1, .mask = BIT(4) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 2, .mask = BIT(0) },
> +	{ .csi = RVIN_CSI40, .channel = 0, .vin = 2, .mask = BIT(1) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 2, .mask = BIT(2) },
> +	{ .csi = RVIN_CSI40, .channel = 2, .vin = 2, .mask = BIT(3) },
> +	{ .csi = RVIN_CSI20, .channel = 2, .vin = 2, .mask = BIT(4) },
> +	{ .csi = RVIN_CSI40, .channel = 1, .vin = 3, .mask = BIT(0) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 3, .mask = BIT(1) | BIT(2) },
> +	{ .csi = RVIN_CSI40, .channel = 3, .vin = 3, .mask = BIT(3) },
> +	{ .csi = RVIN_CSI20, .channel = 3, .vin = 3, .mask = BIT(4) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 4, .mask = BIT(1) | BIT(4) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 5, .mask = BIT(0) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 5, .mask = BIT(4) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 6, .mask = BIT(0) },
> +	{ .csi = RVIN_CSI20, .channel = 0, .vin = 6, .mask = BIT(2) },
> +	{ .csi = RVIN_CSI20, .channel = 2, .vin = 6, .mask = BIT(4) },
> +	{ .csi = RVIN_CSI20, .channel = 1, .vin = 7, .mask = BIT(1) | BIT(2) },
> +	{ .csi = RVIN_CSI20, .channel = 3, .vin = 7, .mask = BIT(4) },
> +	{ /* Sentinel */ }
> +};
> +
> +static const struct rvin_info rcar_info_r8a774e1 = {
> +	.model = RCAR_GEN3,
> +	.use_mc = true,
> +	.max_width = 4096,
> +	.max_height = 4096,
> +	.routes = rcar_info_r8a774e1_routes,
> +};
> +
>  static const struct rvin_group_route rcar_info_r8a7795_routes[] = {
>  	{ .csi = RVIN_CSI40, .channel = 0, .vin = 0, .mask = BIT(0) | BIT(3) },
>  	{ .csi = RVIN_CSI20, .channel = 0, .vin = 0, .mask = BIT(1) | BIT(4) },
> @@ -1220,6 +1256,10 @@ static const struct of_device_id rvin_of_id_table[] = {
>  		.compatible = "renesas,vin-r8a774c0",
>  		.data = &rcar_info_r8a77990,
>  	},
> +	{
> +		.compatible = "renesas,vin-r8a774e1",
> +		.data = &rcar_info_r8a774e1,
> +	},
>  	{
>  		.compatible = "renesas,vin-r8a7778",
>  		.data = &rcar_info_m1,
> -- 
> 2.17.1
> 

-- 
Regards,
Niklas Söderlund