linux-kernel - Re: [PATCH 2/2] drm/mediatek: mtk_hdmi: add MT8167 support for HDMI

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Message-ID: <CAOwMV_wo0SeXRbX-8+ipTr3zcYNPZ4fNF7-Xf8hX0RYP_EAOsw@mail.gmail.com>
Date:   Tue, 13 Oct 2020 20:09:39 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     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>,
        dri-devel@...ts.freedesktop.org
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, airlied@...ux.ie,
        p.zabel@...gutronix.de, Chun-Kuang Hu <chunkuang.hu@...nel.org>
Subject: Re: [PATCH 2/2] drm/mediatek: mtk_hdmi: add MT8167 support for HDMI

On Tue, Oct 13, 2020 at 7:28 PM Fabien Parent <fparent@...libre.com> wrote:
>
> Add support for HDMI on MT8167. HDMI on MT8167 is similar to
> MT8173/MT2701 execpt for the two registers: SYS_CFG1C and SYS_CFG20
>
> Signed-off-by: Fabien Parent <fparent@...libre.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi.c      | 7 +++++++
>  drivers/gpu/drm/mediatek/mtk_hdmi_regs.h | 2 ++
>  2 files changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index c70f195c21be..7762be5cb446 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -1835,9 +1835,16 @@ static struct mtk_hdmi_data mt8173_hdmi_driver_data = {
>         .sys_cfg20 = HDMI_SYS_CFG20,
>  };
>
> +static struct mtk_hdmi_conf mt8167_hdmi_driver_data = {

Sent the wrong patch. Sending v2 soon.

> +       .sys_cfg1c = MT8167_HDMI_SYS_CFG1C,
> +       .sys_cfg20 = MT8167_HDMI_SYS_CFG20,
> +};
> +
>  static const struct of_device_id mtk_drm_hdmi_of_ids[] = {
>         { .compatible = "mediatek,mt8173-hdmi",
>           .data = &mt8173_hdmi_driver_data },
> +       { .compatible = "mediatek,mt8167-hdmi",
> +         .data = &mt8167_hdmi_driver_data },
>         {}
>  };
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h b/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> index 2050ba45b23a..a0f9c367d7aa 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> @@ -195,6 +195,7 @@
>  #define GEN_RGB                                (0 << 7)
>
>  #define HDMI_SYS_CFG1C         0x000
> +#define MT8167_HDMI_SYS_CFG1C  0x800
>  #define HDMI_ON                                BIT(0)
>  #define HDMI_RST                       BIT(1)
>  #define ANLG_ON                                BIT(2)
> @@ -211,6 +212,7 @@
>  #define HTPLG_PIN_SEL_OFF              BIT(30)
>  #define AES_EFUSE_ENABLE               BIT(31)
>  #define HDMI_SYS_CFG20         0x004
> +#define MT8167_HDMI_SYS_CFG20  0x804
>  #define DEEP_COLOR_MODE_MASK           (3 << 1)
>  #define COLOR_8BIT_MODE                        (0 << 1)
>  #define COLOR_10BIT_MODE               (1 << 1)
> --
> 2.28.0
>