diff options
| author | Urja Rannikko <urjaman@gmail.com> | 2019-05-13 13:25:27 +0000 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-07-31 09:07:30 +0800 |
| commit | 2b157019bb4c11303497f58b659f08f5ef9d064a (patch) | |
| tree | 4f8ef79ff1c532ce2e462bcf7bbf56ac12dee6ae | |
| parent | d0d07ba86afc8074d79e436b1ba4478fa0f0c1b5 (diff) | |
dw_mmc: turn on the IO supply
Fixes the microSD slot on the ASUS C201.
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com<mailto:peng.fan@nxp.com>>
| -rw-r--r-- | drivers/mmc/dw_mmc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 1992d61182..22f6c7eefd 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -13,6 +13,7 @@ #include <mmc.h> #include <dwmmc.h> #include <wait_bit.h> +#include <power/regulator.h> #define PAGE_SIZE 4096 @@ -493,6 +494,21 @@ static int dwmci_set_ios(struct mmc *mmc) if (host->clksel) host->clksel(host); +#if CONFIG_IS_ENABLED(DM_REGULATOR) + if (mmc->vqmmc_supply) { + int ret; + + if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) + regulator_set_value(mmc->vqmmc_supply, 1800000); + else + regulator_set_value(mmc->vqmmc_supply, 3300000); + + ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true); + if (ret) + return ret; + } +#endif + return 0; } |