39 lines
836 B
Plaintext
39 lines
836 B
Plaintext
# 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
|