Unverified Commit af1296d1 authored by Alina Yu's avatar Alina Yu Committed by Mark Brown
Browse files

regulator: rtq2208: Add fixed LDO VOUT property and check that matches the constraints 



A fixed LDO VOUT property has been added to specify the fixed_uV of the regulator_desc.
Additionally, a check has been included in this version
to ensure that the fixed_uV matches the constraints.

Signed-off-by: default avatarAlina Yu <alina_yu@richtek.com>
Link: https://msgid.link/r/39357ff9e6e5f3dec5a6f7f833a3591c0defc63a.1716870419.git.alina_yu@richtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 74259990

drivers/regulator/rtq2208-regulator.c

+9 −2
Original line number Diff line number Diff line
@@ -350,6 +350,7 @@ static int rtq2208_of_get_ldo_dvs_ability(struct device *dev) 
	struct of_regulator_match *match;

	struct regulator_desc *desc;

	struct regulator_init_data *init_data;

	u32 fixed_uV;

	int ret, i;



	if (!dev->of_node)
@@ -374,9 +375,15 @@ static int rtq2208_of_get_ldo_dvs_ability(struct device *dev) 
		if (!init_data || !desc)

			continue;



		if (init_data->constraints.min_uV == init_data->constraints.max_uV) {

			desc->fixed_uV = init_data->constraints.min_uV;

		/* specify working fixed voltage if the propery exists */

		ret = of_property_read_u32(match->of_node, "richtek,fixed-microvolt", &fixed_uV);



		if (!ret) {

			if (fixed_uV != init_data->constraints.min_uV ||

				fixed_uV != init_data->constraints.max_uV)

				return -EINVAL;

			desc->n_voltages = 1;

			desc->fixed_uV = fixed_uV;

			desc->fixed_uV = init_data->constraints.min_uV;

			desc->ops = &rtq2208_regulator_ldo_fix_ops;

		} else {