linux-kernel - Re: [PATCH v6 4/4] soc: mediatek: mmsys: add support for MT8195 VPPSYS

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Message-ID: <3e88c585-5d45-7183-db50-030415bac9da@gmail.com>
Date:   Mon, 30 Jan 2023 12:28:18 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Moudy Ho <moudy.ho@...iatek.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-clk@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        "Roy-CW.Yeh" <roy-cw.yeh@...iatek.com>
Subject: Re: [PATCH v6 4/4] soc: mediatek: mmsys: add support for MT8195
 VPPSYS



On 18/01/2023 04:15, Moudy Ho wrote:
> From: "Roy-CW.Yeh" <roy-cw.yeh@...iatek.com>
> 
> Add MT8195 VPPSYS0 and VPPSYS1 driver data.
> 
> Signed-off-by: Roy-CW.Yeh <roy-cw.yeh@...iatek.com>
> Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Applied, thanks

> ---
>   drivers/soc/mediatek/mtk-mmsys.c | 22 ++++++++++++++++++++++
>   drivers/soc/mediatek/mtk-mmsys.h |  1 +
>   2 files changed, 23 insertions(+)
> 
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 38f1dd92e7c6..176fdc866e22 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -88,6 +88,16 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = {
>   	.num_routes = ARRAY_SIZE(mmsys_mt8195_routing_table),
>   };
>   
> +static const struct mtk_mmsys_driver_data mt8195_vppsys0_driver_data = {
> +	.clk_driver = "clk-mt8195-vpp0",
> +	.is_vppsys = true,
> +};
> +
> +static const struct mtk_mmsys_driver_data mt8195_vppsys1_driver_data = {
> +	.clk_driver = "clk-mt8195-vpp1",
> +	.is_vppsys = true,
> +};
> +
>   static const struct mtk_mmsys_driver_data mt8365_mmsys_driver_data = {
>   	.clk_driver = "clk-mt8365-mm",
>   	.routes = mt8365_mmsys_routing_table,
> @@ -264,6 +274,9 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
>   	if (IS_ERR(clks))
>   		return PTR_ERR(clks);
>   
> +	if (mmsys->data->is_vppsys)
> +		goto out_probe_done;
> +
>   	drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
>   					    PLATFORM_DEVID_AUTO, NULL, 0);
>   	if (IS_ERR(drm)) {
> @@ -271,6 +284,7 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
>   		return PTR_ERR(drm);
>   	}
>   
> +out_probe_done:
>   	return 0;
>   }
>   
> @@ -323,6 +337,14 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
>   		.compatible = "mediatek,mt8195-vdosys0",
>   		.data = &mt8195_vdosys0_driver_data,
>   	},
> +	{
> +		.compatible = "mediatek,mt8195-vppsys0",
> +		.data = &mt8195_vppsys0_driver_data,
> +	},
> +	{
> +		.compatible = "mediatek,mt8195-vppsys1",
> +		.data = &mt8195_vppsys1_driver_data,
> +	},
>   	{
>   		.compatible = "mediatek,mt8365-mmsys",
>   		.data = &mt8365_mmsys_driver_data,
> diff --git a/drivers/soc/mediatek/mtk-mmsys.h b/drivers/soc/mediatek/mtk-mmsys.h
> index 77f37f8c715b..54a96b83afb4 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.h
> +++ b/drivers/soc/mediatek/mtk-mmsys.h
> @@ -91,6 +91,7 @@ struct mtk_mmsys_driver_data {
>   	const struct mtk_mmsys_routes *routes;
>   	const unsigned int num_routes;
>   	const u16 sw0_rst_offset;
> +	const bool is_vppsys;
>   };
>   
>   /*