diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-13 12:45:30 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-16 17:59:34 +0100 |
| commit | 0d19208e70b3a65144c7a0b6368f849c57818242 (patch) | |
| tree | 1a53457881eae01b10618f3cafd5e88e30af4e91 /drivers/regulator/anatop-regulator.c | |
| parent | 5abe4f223ed6b820443d3657bd48600692f61c12 (diff) | |
regulator: i.MX anatop: Allow supply regulator
The anatop regulators are SoC internal LDO regulators usually supplied
by an external PMIC. This patch adds support for specifying the supply
from the device tree using the vin-supply property.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/anatop-regulator.c')
| -rw-r--r-- | drivers/regulator/anatop-regulator.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 738adfa5332b..7d99f2c8cef3 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -30,6 +30,7 @@ #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h> +#include <linux/regulator/machine.h> #define LDO_RAMP_UP_UNIT_IN_CYCLES 64 /* 64 cycles per step */ #define LDO_RAMP_UP_FREQ_IN_MHZ 24 /* cycle based on 24M OSC */ @@ -199,6 +200,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) rdesc->owner = THIS_MODULE; initdata = of_get_regulator_init_data(dev, np, rdesc); + initdata->supply_regulator = "vin"; sreg->initdata = initdata; anatop_np = of_get_parent(np); @@ -262,6 +264,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) rdesc->vsel_reg = sreg->control_reg; rdesc->vsel_mask = ((1 << sreg->vol_bit_width) - 1) << sreg->vol_bit_shift; + rdesc->min_dropout_uV = 125000; config.dev = &pdev->dev; config.init_data = initdata; |