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Commit 7ee63bd7 authored by Keerthy's avatar Keerthy Committed by Lee Jones
Browse files

regulator: lp87565: Add 4-phase lp87561 regulator support 

The LP8756x family has a single output 4-phase regulator
configuration. Add support for the same. The control
lies in the master buck which is buck0 for 4-phase
configuration. Enable/disable/voltage set happen via
buck0 registers.

Data Sheet: https://www.ti.com/lit/ds/symlink/lp87561-q1.pdf



Signed-off-by: default avatarKeerthy <j-keerthy@ti.com>
Acked-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 013e868b

drivers/regulator/lp87565-regulator.c

+16 −1
Original line number Diff line number Diff line
@@ -153,6 +153,12 @@ static const struct lp87565_regulator regulators[] = { 
			  LP87565_REG_BUCK2_CTRL_1,

			  LP87565_BUCK_CTRL_1_EN, 3230,

			  buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2),

	LP87565_REGULATOR("BUCK3210", LP87565_BUCK_3210, "buck3210",

			  lp87565_buck_ops, 256, LP87565_REG_BUCK0_VOUT,

			  LP87565_BUCK_VSET, LP87565_REG_BUCK0_CTRL_1,

			  LP87565_BUCK_CTRL_1_EN |

			  LP87565_BUCK_CTRL_1_FPWM_MP_0_2, 3230,

			  buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2),

};



static int lp87565_regulator_probe(struct platform_device *pdev)
@@ -169,9 +175,18 @@ static int lp87565_regulator_probe(struct platform_device *pdev) 
	config.driver_data = lp87565;

	config.regmap = lp87565->regmap;



	if (lp87565->dev_type == LP87565_DEVICE_TYPE_LP87565_Q1) {

	switch (lp87565->dev_type) {

	case LP87565_DEVICE_TYPE_LP87565_Q1:

		min_idx = LP87565_BUCK_10;

		max_idx = LP87565_BUCK_23;

		break;

	case LP87565_DEVICE_TYPE_LP87561_Q1:

		min_idx = LP87565_BUCK_3210;

		max_idx = LP87565_BUCK_3210;

	default:

		dev_err(lp87565->dev, "Invalid lp config %d\n",

			lp87565->dev_type);

		return -EINVAL;

	}



	for (i = min_idx; i <= max_idx; i++) {