diff options
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/mmc.h b/include/mmc.h index bd096aeb21..8d6e0f8fb0 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -472,6 +472,7 @@ struct mmc { void *priv; uint has_init; int high_capacity; + bool clk_disable; /* true if the clock can be turned off */ uint bus_width; uint clock; enum mmc_voltage signal_voltage; @@ -567,7 +568,16 @@ int mmc_unbind(struct udevice *dev); int mmc_initialize(bd_t *bis); int mmc_init(struct mmc *mmc); int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size); -int mmc_set_clock(struct mmc *mmc, uint clock); + +/** + * mmc_set_clock() - change the bus clock + * @mmc: MMC struct + * @clock: bus frequency in Hz + * @disable: flag indicating if the clock must on or off + * @return 0 if OK, -ve on error + */ +int mmc_set_clock(struct mmc *mmc, uint clock, bool disable); + struct mmc *find_mmc_device(int dev_num); int mmc_set_dev(int dev_num); void print_mmc_devices(char separator); |