diff options
Diffstat (limited to 'drivers/mmc/host/mmci.c')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index cd0fbee0b1c0..9446c176e744 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -33,6 +33,7 @@ #include <linux/amba/mmci.h> #include <linux/pm_runtime.h> #include <linux/types.h> +#include <linux/pinctrl/consumer.h> #include <asm/div64.h> #include <asm/io.h> @@ -1366,6 +1367,23 @@ static int __devinit mmci_probe(struct amba_device *dev, mmc->f_max = min(host->mclk, fmax); dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); + host->pinctrl = devm_pinctrl_get(&dev->dev); + if (IS_ERR(host->pinctrl)) { + ret = PTR_ERR(host->pinctrl); + goto clk_disable; + } + + host->pins_default = pinctrl_lookup_state(host->pinctrl, + PINCTRL_STATE_DEFAULT); + + /* enable pins to be muxed in and configured */ + if (!IS_ERR(host->pins_default)) { + ret = pinctrl_select_state(host->pinctrl, host->pins_default); + if (ret) + dev_warn(&dev->dev, "could not set default pins\n"); + } else + dev_warn(&dev->dev, "could not get default pinstate\n"); + #ifdef CONFIG_REGULATOR /* If we're using the regulator framework, try to fetch a regulator */ host->vcc = regulator_get(&dev->dev, "vmmc"); |