[PATCH v4 4/8] mmc: sdhci-esdhc-imx: add NXP S32N79 support

Adrian Hunter adrian.hunter at intel.com
Wed Mar 11 02:11:46 PDT 2026


On 06/03/2026 18:15, Ciprian Costea wrote:
> From: Ciprian Marian Costea <ciprianmarian.costea at oss.nxp.com>
> 
> Add support for the uSDHC controller found in NXP S32N79 automotive SoCs,
> which reuse the existing sdhci-esdhc-imx driver with slice difference.
> 
> Compared with s32g2/s32g3, needn't set ESDHC_FLAG_SKIP_CD_WAKE flag
> because s32n79 does not have this limitation.
> 
> Co-developed-by: Larisa Grigore <larisa.grigore at nxp.com>
> Signed-off-by: Larisa Grigore <larisa.grigore at nxp.com>
> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea at oss.nxp.com>

Acked-by: Adrian Hunter <adrian.hunter at intel.com>

> ---
>  drivers/mmc/host/sdhci-esdhc-imx.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
> index a7a5df673b0f..28288fca87ff 100644
> --- a/drivers/mmc/host/sdhci-esdhc-imx.c
> +++ b/drivers/mmc/host/sdhci-esdhc-imx.c
> @@ -321,6 +321,14 @@ static struct esdhc_soc_data usdhc_s32g2_data = {
>  	.quirks = SDHCI_QUIRK_NO_LED,
>  };
>  
> +static struct esdhc_soc_data usdhc_s32n79_data = {
> +	.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING
> +			| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
> +			| ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES
> +			| ESDHC_FLAG_SKIP_ERR004536,
> +	.quirks = SDHCI_QUIRK_NO_LED,
> +};
> +
>  static struct esdhc_soc_data usdhc_imx7ulp_data = {
>  	.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING
>  			| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
> @@ -408,6 +416,7 @@ static const struct of_device_id imx_esdhc_dt_ids[] = {
>  	{ .compatible = "fsl,imx95-usdhc", .data = &usdhc_imx95_data, },
>  	{ .compatible = "fsl,imxrt1050-usdhc", .data = &usdhc_imxrt1050_data, },
>  	{ .compatible = "nxp,s32g2-usdhc", .data = &usdhc_s32g2_data, },
> +	{ .compatible = "nxp,s32n79-usdhc", .data = &usdhc_s32n79_data, },
>  	{ /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, imx_esdhc_dt_ids);




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