Date:   Mon, 18 May 2020 23:30:42 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     matthias.bgg@...nel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        mtk01761 <wendell.lin@...iatek.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-clk@...r.kernel.org, Allison Randal <allison@...utok.net>
Subject: Re: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from
 platform device

Hi, Matthias:

<matthias.bgg@...nel.org> 於 2020年5月18日 週一 下午7:32寫道：
>
> From: Matthias Brugger <matthias.bgg@...il.com>
>
> The mmsys driver is now the top level entry point for the multimedia
> system (mmsys), we bind the clock driver by creating a platform device.
> We also bind the MediaTek DRM driver which is not yet implement and
> therefor will errror out for now.

You may need to let CONFIG_MTK_MMSYS depends on
CONFIG_COMMON_CLK_MT8173_MMSYS || CONFIG_COMMON_CLK_MT8183_MMSYS

Regards,
Chun-Kuang.

>
> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
> ---
>
>  drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
>  drivers/soc/mediatek/mtk-mmsys.c     | 8 ++++++++
>  2 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
> index 720c696b506d..9d60e09619c1 100644
> --- a/drivers/clk/mediatek/clk-mt8183-mm.c
> +++ b/drivers/clk/mediatek/clk-mt8183-mm.c
> @@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {
>
>  static int clk_mt8183_mm_probe(struct platform_device *pdev)
>  {
> +       struct device *dev = &pdev->dev;
> +       struct device_node *node = dev->parent->of_node;
>         struct clk_onecell_data *clk_data;
> -       struct device_node *node = pdev->dev.of_node;
>
>         clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>
> @@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
>         return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
>  }
>
> -static const struct of_device_id of_match_clk_mt8183_mm[] = {
> -       { .compatible = "mediatek,mt8183-mmsys", },
> -       {}
> -};
> -
>  static struct platform_driver clk_mt8183_mm_drv = {
>         .probe = clk_mt8183_mm_probe,
>         .driver = {
>                 .name = "clk-mt8183-mm",
> -               .of_match_table = of_match_clk_mt8183_mm,
>         },
>  };
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index cacafe23c823..783c3dd008b2 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>         .clk_driver = "clk-mt8173-mm",
>  };
>
> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> +       .clk_driver = "clk-mt8183-mm",
> +};
> +
>  static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
>                                           enum mtk_ddp_comp_id next,
>                                           unsigned int *addr)
> @@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
>                 .compatible = "mediatek,mt8173-mmsys",
>                 .data = &mt8173_mmsys_driver_data,
>         },
> +       {
> +               .compatible = "mediatek,mt8183-mmsys",
> +               .data = &mt8183_mmsys_driver_data,
> +       },
>         { }
>  };
>
> --
> 2.26.2
>
>
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> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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