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