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mmc: pwrseq: add mmc-pwrseq file to provide a generic interface

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Add mmc-pwrseq file to provide a generic interface.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Jaehoon Chung
2021-02-16 10:16:52 +09:00
committed by Peng Fan
parent 46938abd2c
commit caee38aef7
4 changed files with 73 additions and 0 deletions
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14
include/mmc.h
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@@ -592,6 +592,9 @@ struct mmc_config {
uint f_max;
uint b_max;
unsigned char part_type;
#ifdef CONFIG_MMC_PWRSEQ
struct udevice *pwr_dev;
#endif
};
struct sd_ssr {
@@ -808,6 +811,17 @@ int mmc_deinit(struct mmc *mmc);
*/
int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg);
#ifdef CONFIG_MMC_PWRSEQ
/**
* mmc_pwrseq_get_power() - get a power device from device tree
*
* @dev: MMC device
* @cfg: MMC configuration
* @return 0 if OK, -ve on error
*/
int mmc_pwrseq_get_power(struct udevice *dev, struct mmc_config *cfg);
#endif
int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size);
/**