[PATCH 08/12] mmc: sunxi: add support for R329 MMC controllers

Ulf Hansson ulf.hansson at linaro.org
Wed May 4 06:53:57 PDT 2022


On Fri, 22 Apr 2022 at 17:42, <icenowy at outlook.com> wrote:
>
> From: Icenowy Zheng <icenowy at aosc.io>
>
> The two MMC controllers in Allwinner R329 have a mixed feature set
> comparing to the previous SoCs' ordinary MMC and eMMC controllers.
>
> Add support for them.
>
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>

Please repost this (and the DT patch) to linux-mmc, so I can pick them
up from the patch-tracker.

Kind regards
Uffe

> ---
>  drivers/mmc/host/sunxi-mmc.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 0e8fbf4957d8..06934eef8be5 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1207,6 +1207,15 @@ static const struct sunxi_mmc_cfg sun50i_a100_emmc_cfg = {
>         .needs_new_timings = true,
>  };
>
> +static const struct sunxi_mmc_cfg sun50i_r329_cfg = {
> +       .idma_des_size_bits = 13,
> +       .idma_des_shift = 2,
> +       .clk_delays = NULL,
> +       .can_calibrate = true,
> +       .mask_data0 = true,
> +       .needs_new_timings = true,
> +};
> +
>  static const struct of_device_id sunxi_mmc_of_match[] = {
>         { .compatible = "allwinner,sun4i-a10-mmc", .data = &sun4i_a10_cfg },
>         { .compatible = "allwinner,sun5i-a13-mmc", .data = &sun5i_a13_cfg },
> @@ -1218,6 +1227,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = {
>         { .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },
>         { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },
>         { .compatible = "allwinner,sun50i-a100-emmc", .data = &sun50i_a100_emmc_cfg },
> +       { .compatible = "allwinner,sun50i-r329-mmc", .data = &sun50i_r329_cfg },
>         { /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match);
> --
> 2.35.1
>



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