diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/regulator/fixed.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/power/regulator/fixed.c b/drivers/power/regulator/fixed.c index d053817..37b8400 100644 --- a/drivers/power/regulator/fixed.c +++ b/drivers/power/regulator/fixed.c @@ -19,6 +19,7 @@ DECLARE_GLOBAL_DATA_PTR; struct fixed_regulator_platdata { struct gpio_desc gpio; /* GPIO for regulator enable control */ + unsigned int startup_delay_us; }; static int fixed_regulator_ofdata_to_platdata(struct udevice *dev) @@ -42,6 +43,11 @@ static int fixed_regulator_ofdata_to_platdata(struct udevice *dev) if (ret) debug("Fixed regulator gpio - not found! Error: %d", ret); + /* Get optional ramp up delay */ + dev_pdata->startup_delay_us = fdtdec_get_uint(gd->fdt_blob, + dev->of_offset, + "startup-delay-us", 0); + return 0; } @@ -101,6 +107,10 @@ static int fixed_regulator_set_enable(struct udevice *dev, bool enable) enable); return ret; } + + if (enable && dev_pdata->startup_delay_us) + udelay(dev_pdata->startup_delay_us); + return 0; } |