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regulator: qcom-rpm: Implement set_load and enable drms 

Pass the requested load directly to the rpm.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bjorn Andersson 2015-02-11 19:39:13 -08:00 committed by Mark Brown
parent 8f4490e096
commit 2b85c28a5a
1 changed files with 30 additions and 0 deletions
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30
drivers/regulator/qcom_rpm-regulator.c
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@ -393,6 +393,28 @@ static int rpm_reg_is_enabled(struct regulator_dev *rdev)
return vreg->is_enabled;
}
static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA)
{
struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev);
const struct rpm_reg_parts *parts = vreg->parts;
const struct request_member *req = &parts->ia;
int load_mA = load_uA / 1000;
int max_mA = req->mask >> req->shift;
int ret;
if (req->mask == 0)
return -EINVAL;
if (load_mA > max_mA)
load_mA = max_mA;
mutex_lock(&vreg->lock);
ret = rpm_reg_write(vreg, req, load_mA);
mutex_unlock(&vreg->lock);
return ret;
}
static struct regulator_ops uV_ops = {
.list_voltage = regulator_list_voltage_linear_range,
@ -402,6 +424,8 @@ static struct regulator_ops uV_ops = {
.enable = rpm_reg_uV_enable,
.disable = rpm_reg_uV_disable,
.is_enabled = rpm_reg_is_enabled,
.set_load = rpm_reg_set_load,
};
static struct regulator_ops mV_ops = {
@ -413,6 +437,8 @@ static struct regulator_ops mV_ops = {
.enable = rpm_reg_mV_enable,
.disable = rpm_reg_mV_disable,
.is_enabled = rpm_reg_is_enabled,
.set_load = rpm_reg_set_load,
};
static struct regulator_ops switch_ops = {
@ -706,6 +732,10 @@ static int rpm_reg_probe(struct platform_device *pdev)
return -EINVAL;
}
/* Regulators with ia property suppports drms */
if (vreg->parts->ia.mask)
initdata->constraints.valid_ops_mask |= REGULATOR_CHANGE_DRMS;
key = "bias-pull-down";
if (of_property_read_bool(pdev->dev.of_node, key)) {
ret = rpm_reg_set(vreg, &vreg->parts->pd, 1);