| # Copyright 2023 Nikhef |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config SAM_HSMCI |
| bool "ATMEL SAM HSMCI driver" |
| default y |
| depends on DT_HAS_ATMEL_SAM_HSMCI_ENABLED |
| select SDHC_SUPPORTS_NATIVE_MODE |
| help |
| Enable the ATMEL SAM HSMCI MMC/SD card driver. |
| |
| if SAM_HSMCI |
| |
| config SAM_HSMCI_PDCMODE |
| bool "Use PDC if available" |
| default y if SOC_SERIES_SAM4E |
| help |
| Use peripheral DMA controller, if supported |
| |
| config SAM_HSMCI_PWRSAVE |
| bool "Power save during card inactive" |
| default y |
| help |
| Power-save mode reduces the clock-speed during SD card |
| inactivity. |
| |
| if SAM_HSMCI_PWRSAVE |
| |
| config SAM_HSMCI_PWRSAVE_DIV |
| int "Divisor value of clock when in power-save mode" |
| default 7 |
| help |
| SD clock freqeuncy is divided by 2**(N+1) where N |
| is the divisor value. Valid values are 0 to 7. |
| |
| endif # SAM_HSMCI_PWRSAVE |
| |
| endif # SAM_HSMCI |
