add SDHC support for TI MMCSD subsystem #97172
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Make sure the capability bitfields fit the standard SD Association
specification and move the extra capabilities to props.
Affected Drivers:
- ifx_cat1_sdio
- imx_usdhc
- intel_emmc_host
- rcar_mmc
- sdhc_ambiq
- sdhc_esp32
- sdhc_max32
- sdhc_renesas_ra
- sdhc_stm32
- xlnx_sdhc
Affected Subsys
- sd
Reference: 2.2.26, SD Specifications, Part A2, SD Host Controller
Simplified Specification, Version 4.20
URL: https://www.sdcard.org/downloads/pls/pdf/?p=PartA2_SD%20Host_Controller_Simplified_Specification_Ver4.20.jpg
Signed-off-by: Amneesh Singh <[email protected]>
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Add the driver for TI's interrupt based AM654 SD Host Controller that can be used with both eMMC and SD cards. Signed-off-by: Amneesh Singh <[email protected]>
Add SD host controller nodes and also assign them interrupts and power domains. Additionally also setup eMMC and SD card as disks. Signed-off-by: Amneesh Singh <[email protected]>
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This pull request does the following two things
Note that the PR will remain in draft stage until #91701 (comment) is merged. Once it is merged, will drop b37530d
Device Testing
The following devices were tested at various speed modes:
Test Configuration Matrix
The driver has been tested with different combinations of Auto-Stop and ADMA features using
tests/drivers/disk/disk_access:Note that when building the test, only one of the sdhci nodes can be present, so the user must delete one node manually, this can be added in an overlay