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Commit 2b85c28a authored by Bjorn Andersson's avatar Bjorn Andersson Committed by Mark Brown
Browse files

regulator: qcom-rpm: Implement set_load and enable drms 



Pass the requested load directly to the rpm.

Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8f4490e0

drivers/regulator/qcom_rpm-regulator.c

+30 −0
Original line number Original line Diff line number Diff line
@@ -393,6 +393,28 @@ static int rpm_reg_is_enabled(struct regulator_dev *rdev) 
	return vreg->is_enabled;

	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 = {

static struct regulator_ops uV_ops = {

	.list_voltage = regulator_list_voltage_linear_range,

	.list_voltage = regulator_list_voltage_linear_range,
@@ -402,6 +424,8 @@ static struct regulator_ops uV_ops = { 
	.enable = rpm_reg_uV_enable,

	.enable = rpm_reg_uV_enable,

	.disable = rpm_reg_uV_disable,

	.disable = rpm_reg_uV_disable,

	.is_enabled = rpm_reg_is_enabled,

	.is_enabled = rpm_reg_is_enabled,



	.set_load = rpm_reg_set_load,

};

};





static struct regulator_ops mV_ops = {

static struct regulator_ops mV_ops = {
@@ -413,6 +437,8 @@ static struct regulator_ops mV_ops = { 
	.enable = rpm_reg_mV_enable,

	.enable = rpm_reg_mV_enable,

	.disable = rpm_reg_mV_disable,

	.disable = rpm_reg_mV_disable,

	.is_enabled = rpm_reg_is_enabled,

	.is_enabled = rpm_reg_is_enabled,



	.set_load = rpm_reg_set_load,

};

};





static struct regulator_ops switch_ops = {

static struct regulator_ops switch_ops = {
@@ -706,6 +732,10 @@ static int rpm_reg_probe(struct platform_device *pdev) 
		return -EINVAL;

		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";

	key = "bias-pull-down";

	if (of_property_read_bool(pdev->dev.of_node, key)) {

	if (of_property_read_bool(pdev->dev.of_node, key)) {

		ret = rpm_reg_set(vreg, &vreg->parts->pd, 1);

		ret = rpm_reg_set(vreg, &vreg->parts->pd, 1);