linux-kernel - Re: [PATCH 2/2] mmc: sunxi-mmc: Add D1 MMC variant

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Message-ID: <CAPDyKFpvstn6bvVZhLR3_ByNw72GYfAc6RTYzm1Howz-cZmknA@mail.gmail.com>
Date:   Tue, 8 Feb 2022 16:12:28 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-sunxi@...ts.linux.dev, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] mmc: sunxi-mmc: Add D1 MMC variant

On Thu, 3 Feb 2022 at 02:51, Samuel Holland <samuel@...lland.org> wrote:
>
> D1's MMC controllers are unique in that they have the DMA address shift
> (like A100) with a 13-bit descriptor size field (like sun4i). Add the
> compatible and parameters for this new variant.
>
> Signed-off-by: Samuel Holland <samuel@...lland.org>

Applied for next, thanks!

Kind regards
Uffe


> ---
>
>  drivers/mmc/host/sunxi-mmc.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 2702736a1c57..c62afd212692 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1167,6 +1167,14 @@ static const struct sunxi_mmc_cfg sun9i_a80_cfg = {
>         .can_calibrate = false,
>  };
>
> +static const struct sunxi_mmc_cfg sun20i_d1_cfg = {
> +       .idma_des_size_bits = 13,
> +       .idma_des_shift = 2,
> +       .can_calibrate = true,
> +       .mask_data0 = true,
> +       .needs_new_timings = true,
> +};
> +
>  static const struct sunxi_mmc_cfg sun50i_a64_cfg = {
>         .idma_des_size_bits = 16,
>         .clk_delays = NULL,
> @@ -1205,6 +1213,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = {
>         { .compatible = "allwinner,sun7i-a20-mmc", .data = &sun7i_a20_cfg },
>         { .compatible = "allwinner,sun8i-a83t-emmc", .data = &sun8i_a83t_emmc_cfg },
>         { .compatible = "allwinner,sun9i-a80-mmc", .data = &sun9i_a80_cfg },
> +       { .compatible = "allwinner,sun20i-d1-mmc", .data = &sun20i_d1_cfg },
>         { .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg },
>         { .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },
>         { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },
> --
> 2.33.1
>