Re: [PATCH v2 1/4] mmc: sdhci-tegra: Separate T19x and T23x SoC data

Thierry Reding
2022-09-14T10:40:13Z

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On Wed, Sep 14, 2022 at 03:26:25PM +0530, Prathamesh Shete wrote:
> Create new SoC data structure for T23x platforms.

Can you please use consistent spelling of Tegra194 and Tegra234 here and
in the subject? That makes it a bit easier to search for things.

> StreamID programming is one of the additional feature
> added in Tegra234 and later chips

That's a bit confusing because this patch doesn't do anything with
stream ID programming. Perhaps defer that comment to when it becomes
relevant?

Thierry

>
> Signed-off-by: Aniruddha Tvs Rao <anrao@nvidia.com>
> Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
> ---
> drivers/mmc/host/sdhci-tegra.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
> index 2d2d8260c681..a6c5bbae77b4 100644
> --- a/drivers/mmc/host/sdhci-tegra.c
> +++ b/drivers/mmc/host/sdhci-tegra.c
> @@ -1556,7 +1556,21 @@ static const struct sdhci_tegra_soc_data soc_data_tegra194 = {
> .max_tap_delay = 139,
> };
>
> +static const struct sdhci_tegra_soc_data soc_data_tegra234 = {
> + .pdata = &sdhci_tegra186_pdata,
> + .dma_mask = DMA_BIT_MASK(39),
> + .nvquirks = NVQUIRK_NEEDS_PAD_CONTROL |
> + NVQUIRK_HAS_PADCALIB |
> + NVQUIRK_DIS_CARD_CLK_CONFIG_TAP |
> + NVQUIRK_ENABLE_SDR50 |
> + NVQUIRK_ENABLE_SDR104 |
> + NVQUIRK_HAS_TMCLK,
> + .min_tap_delay = 95,
> + .max_tap_delay = 111,
> +};
> +
> static const struct of_device_id sdhci_tegra_dt_match[] = {
> + { .compatible = "nvidia,tegra234-sdhci", .data = &soc_data_tegra234 },
> { .compatible = "nvidia,tegra194-sdhci", .data = &soc_data_tegra194 },
> { .compatible = "nvidia,tegra186-sdhci", .data = &soc_data_tegra186 },
> { .compatible = "nvidia,tegra210-sdhci", .data = &soc_data_tegra210 },
> --
> 2.17.1
>

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