Re: [4/4] mmc: zynq_sdhci: Add support and quirk for HS400

[Jaehoon Chung]

On 1/10/23 20:31, Ashok Reddy Soma wrote:
> Add support for HS400 in mode2timing array.
> Add a quirk for Versal NET platform to indicate that HS400 is supported
> through bit63 of capability register.
> 
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.s...@amd.com>

Reviewd-by: Jaehoon Chung <jh80.ch...@samsung.com>

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/zynq_sdhci.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
> index 8415da3373..72de6c6227 100644
> --- a/drivers/mmc/zynq_sdhci.c
> +++ b/drivers/mmc/zynq_sdhci.c
> @@ -153,6 +153,7 @@ static const u8 mode2timing[] = {
>       [UHS_DDR50] = MMC_TIMING_UHS_DDR50,
>       [UHS_SDR104] = MMC_TIMING_UHS_SDR104,
>       [MMC_HS_200] = MMC_TIMING_MMC_HS200,
> +     [MMC_HS_400] = MMC_TIMING_MMC_HS400,
>  };
>  
>  #if defined(CONFIG_ARCH_VERSAL_NET)
> @@ -1133,6 +1134,10 @@ static int arasan_sdhci_probe(struct udevice *dev)
>       if (priv->no_1p8)
>               host->quirks |= SDHCI_QUIRK_NO_1_8_V;
>  
> +     if (CONFIG_IS_ENABLED(ARCH_VERSAL_NET) &&
> +         device_is_compatible(dev, "xlnx,versal-net-5.1-emmc"))
> +             host->quirks |= SDHCI_QUIRK_CAPS_BIT63_FOR_HS400;
> +
>       plat->cfg.f_max = CONFIG_ZYNQ_SDHCI_MAX_FREQ;
>  
>       ret = mmc_of_parse(dev, &plat->cfg);