diff options
Diffstat (limited to 'drivers/power/regulator/regulator_common.c')
-rw-r--r-- | drivers/power/regulator/regulator_common.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/drivers/power/regulator/regulator_common.c b/drivers/power/regulator/regulator_common.c index 484a4fc31ef..e26f5ebec34 100644 --- a/drivers/power/regulator/regulator_common.c +++ b/drivers/power/regulator/regulator_common.c @@ -13,7 +13,7 @@ #include "regulator_common.h" int regulator_common_of_to_plat(struct udevice *dev, - struct regulator_common_plat *dev_pdata, + struct regulator_common_plat *plat, const char *enable_gpio_name) { struct gpio_desc *gpio; @@ -26,7 +26,7 @@ int regulator_common_of_to_plat(struct udevice *dev, flags |= GPIOD_IS_OUT_ACTIVE; /* Get optional enable GPIO desc */ - gpio = &dev_pdata->gpio; + gpio = &plat->gpio; ret = gpio_request_by_name(dev, enable_gpio_name, 0, gpio, flags); if (ret) { debug("Regulator '%s' optional enable GPIO - not found! Error: %d\n", @@ -36,12 +36,11 @@ int regulator_common_of_to_plat(struct udevice *dev, } /* Get optional ramp up delay */ - dev_pdata->startup_delay_us = dev_read_u32_default(dev, - "startup-delay-us", 0); - dev_pdata->off_on_delay_us = - dev_read_u32_default(dev, "off-on-delay-us", 0); - if (!dev_pdata->off_on_delay_us) { - dev_pdata->off_on_delay_us = + plat->startup_delay_us = dev_read_u32_default(dev, + "startup-delay-us", 0); + plat->off_on_delay_us = dev_read_u32_default(dev, "off-on-delay-us", 0); + if (!plat->off_on_delay_us) { + plat->off_on_delay_us = dev_read_u32_default(dev, "u-boot,off-on-delay-us", 0); } @@ -49,65 +48,65 @@ int regulator_common_of_to_plat(struct udevice *dev, } int regulator_common_get_enable(const struct udevice *dev, - struct regulator_common_plat *dev_pdata) + struct regulator_common_plat *plat) { /* Enable GPIO is optional */ - if (!dev_pdata->gpio.dev) + if (!plat->gpio.dev) return true; - return dm_gpio_get_value(&dev_pdata->gpio); + return dm_gpio_get_value(&plat->gpio); } int regulator_common_set_enable(const struct udevice *dev, - struct regulator_common_plat *dev_pdata, bool enable) + struct regulator_common_plat *plat, bool enable) { int ret; debug("%s: dev='%s', enable=%d, delay=%d, has_gpio=%d\n", __func__, - dev->name, enable, dev_pdata->startup_delay_us, - dm_gpio_is_valid(&dev_pdata->gpio)); + dev->name, enable, plat->startup_delay_us, + dm_gpio_is_valid(&plat->gpio)); /* Enable GPIO is optional */ - if (!dm_gpio_is_valid(&dev_pdata->gpio)) { + if (!dm_gpio_is_valid(&plat->gpio)) { if (!enable) return -ENOSYS; return 0; } /* If previously enabled, increase count */ - if (enable && dev_pdata->enable_count > 0) { - dev_pdata->enable_count++; + if (enable && plat->enable_count > 0) { + plat->enable_count++; return -EALREADY; } if (!enable) { - if (dev_pdata->enable_count > 1) { + if (plat->enable_count > 1) { /* If enabled multiple times, decrease count */ - dev_pdata->enable_count--; + plat->enable_count--; return -EBUSY; - } else if (!dev_pdata->enable_count) { + } else if (!plat->enable_count) { /* If already disabled, do nothing */ return -EALREADY; } } - ret = dm_gpio_set_value(&dev_pdata->gpio, enable); + ret = dm_gpio_set_value(&plat->gpio, enable); if (ret) { pr_err("Can't set regulator : %s gpio to: %d\n", dev->name, enable); return ret; } - if (enable && dev_pdata->startup_delay_us) - udelay(dev_pdata->startup_delay_us); + if (enable && plat->startup_delay_us) + udelay(plat->startup_delay_us); debug("%s: done\n", __func__); - if (!enable && dev_pdata->off_on_delay_us) - udelay(dev_pdata->off_on_delay_us); + if (!enable && plat->off_on_delay_us) + udelay(plat->off_on_delay_us); if (enable) - dev_pdata->enable_count++; + plat->enable_count++; else - dev_pdata->enable_count--; + plat->enable_count--; return 0; } |