[PATCH v2 4/7] mmc: sdhci-esdhc-imx: add NXP S32N79 support

[Ciprian Marian Costea]

On 2/25/2026 5:26 PM, Frank Li wrote:
> On Wed, Feb 25, 2026 at 02:38:55PM +0100, 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.
>>
>> The controller is compatible with the existing sdhci-esdhc-imx driver.
> 
> "compatible" is not exactly,
> 
> 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 s32n79, needn't set ESDHC_FLAG_SKIP_CD_WAKE flags because
> ...
> 
> Frank

Makes sense. I will update the commit message accordingly in V3.

Regards,
Ciprian

>>
>> 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>
>> ---
>>   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);
>> --
>> 2.43.0
>>