[PATCH v1 3/4] configs: socfpga_agilex5: Enable MMC and Cadence SDHCI support

[Chee, Tien Fong]

On 15/12/2025 7:01 pm, Tanmay Kathpalia wrote:
> Enable MMC support with Cadence SDHCI controller for both SPL and
> U-Boot proper on Agilex5 platform to support SD card operations in
> legacy and high speed timing modes.
>
> MMC controller configuration:
> - Enable MMC subsystem (CONFIG_MMC=y, CONFIG_DM_MMC=y)
> - Add Cadence SDHCI controller support (CONFIG_MMC_SDHCI_CADENCE=y)
> - Enable SDHCI with ADMA support for better performance
> - Add MMC command support for user interaction
>
> SPL configuration:
> - Enable MMC support in SPL (CONFIG_SPL_DM_MMC=y)
> - Add SDHCI ADMA support in SPL (CONFIG_SPL_MMC_SDHCI_ADMA=y)
> - Enable GPIO support in SPL (CONFIG_SPL_DWAPB_GPIO=y)
>
> Voltage regulator support:
> - Add device model regulator framework (CONFIG_DM_REGULATOR=y)
> - Enable fixed voltage regulator support for card power
> - Add GPIO-controlled regulator for I/O voltage switching
> - Include regulator support in SPL for early initialization
>
> These changes enable SD card functionality with legacy and high speed
> timing modes, providing proper voltage regulation and GPIO control
> for the Agilex5 SoCDK platform.
>
> Signed-off-by: Tanmay Kathpalia <tanmay.kathpalia at altera.com>
> ---
>   configs/socfpga_agilex5_defconfig | 19 +++++++++++++++++++
>   1 file changed, 19 insertions(+)
>
> diff --git a/configs/socfpga_agilex5_defconfig b/configs/socfpga_agilex5_defconfig
> index 799ea910f03..3eabc372269 100644
> --- a/configs/socfpga_agilex5_defconfig
> +++ b/configs/socfpga_agilex5_defconfig
> @@ -2,6 +2,7 @@ CONFIG_ARM=y
>   CONFIG_SPL_SYS_DCACHE_OFF=y
>   CONFIG_ARCH_SOCFPGA=y
>   CONFIG_TEXT_BASE=0x80200000
> +CONFIG_SPL_GPIO=y
>   CONFIG_NR_DRAM_BANKS=3
>   CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>   CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80300000
> @@ -66,6 +67,7 @@ CONFIG_CMD_WDT=y
>   CONFIG_CMD_CACHE=y
>   CONFIG_CMD_TIMER=y
>   CONFIG_CMD_UBI=y
> +CONFIG_CMD_MMC=y
>   # CONFIG_ISO_PARTITION is not set
>   # CONFIG_EFI_PARTITION is not set
>   CONFIG_OF_LIST=""
> @@ -106,5 +108,22 @@ CONFIG_USB_DWC3=y
>   CONFIG_USB_HUB_DEBOUNCE_TIMEOUT=3000
>   CONFIG_DESIGNWARE_WATCHDOG=y
>   CONFIG_WDT=y
> +CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_REGULATOR_GPIO=y
> +CONFIG_SPL_DWAPB_GPIO=y
> +CONFIG_SPL_DM_REGULATOR=y
> +CONFIG_SPL_DM_REGULATOR_FIXED=y
> +CONFIG_SPL_DM_REGULATOR_GPIO=y
> +CONFIG_SPL_MMC=y
> +CONFIG_SPL_DM_MMC=y
> +CONFIG_SPL_MMC_IO_VOLTAGE=y
> +CONFIG_SPL_MMC_SDHCI_ADMA=y
> +CONFIG_MMC=y
> +CONFIG_MMC_SDHCI=y
> +CONFIG_DM_MMC=y
> +CONFIG_MMC_IO_VOLTAGE=y
> +CONFIG_MMC_SDHCI_ADMA=y
> +CONFIG_MMC_SDHCI_CADENCE=y
>   # CONFIG_SPL_USE_TINY_PRINTF is not set
>   CONFIG_PANIC_HANG=y


Reviewed-by: Tien Fong Chee <tien.fong.chee at altera.com>

Best regards,
Tien Fong