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Commit bca3523b authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branch 'regulator/topic/linear-range' into regulator-next

parents 099c6062 6290d606
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+37 −145
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65217.h>

#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t) \
#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t, _lr, _nlr) \
	{						\
		.name		= _name,		\
		.id		= _id,			\
@@ -40,17 +40,10 @@
		.enable_reg	= TPS65217_REG_ENABLE,	\
		.enable_mask	= _em,			\
		.volt_table	= _t,			\
		.linear_ranges	= _lr,			\
		.n_linear_ranges = _nlr,		\
	}						\

#define TPS65217_INFO(_nm, _min, _max, _f1, _f2)	\
	{						\
		.name		= _nm,			\
		.min_uV		= _min,			\
		.max_uV		= _max,			\
		.vsel_to_uv	= _f1,			\
		.uv_to_vsel	= _f2,			\
	}

static const unsigned int LDO1_VSEL_table[] = {
	1000000, 1100000, 1200000, 1250000,
	1300000, 1350000, 1400000, 1500000,
@@ -58,88 +51,26 @@ static const unsigned int LDO1_VSEL_table[] = {
	2800000, 3000000, 3100000, 3300000,
};

static int tps65217_vsel_to_uv1(unsigned int vsel)
{
	int uV = 0;

	if (vsel > 63)
		return -EINVAL;

	if (vsel <= 24)
		uV = vsel * 25000 + 900000;
	else if (vsel <= 52)
		uV = (vsel - 24) * 50000 + 1500000;
	else if (vsel < 56)
		uV = (vsel - 52) * 100000 + 2900000;
	else
		uV = 3300000;

	return uV;
}

static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
{
	if (uV < 0 || uV > 3300000)
		return -EINVAL;

	if (uV <= 1500000)
		*vsel = DIV_ROUND_UP(uV - 900000, 25000);
	else if (uV <= 2900000)
		*vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
	else if (uV < 3300000)
		*vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
	else
		*vsel = 56;

	return 0;
}

static int tps65217_vsel_to_uv2(unsigned int vsel)
{
	int uV = 0;

	if (vsel > 31)
		return -EINVAL;

	if (vsel <= 8)
		uV = vsel * 50000 + 1500000;
	else if (vsel <= 13)
		uV = (vsel - 8) * 100000 + 1900000;
	else
		uV = (vsel - 13) * 50000 + 2400000;

	return uV;
}

static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
{
	if (uV < 0 || uV > 3300000)
		return -EINVAL;

	if (uV <= 1900000)
		*vsel = DIV_ROUND_UP(uV - 1500000, 50000);
	else if (uV <= 2400000)
		*vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
	else
		*vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);

	return 0;
}
static const struct regulator_linear_range tps65217_uv1_ranges[] = {
	{ .min_uV = 900000, .max_uV = 1500000, .min_sel =  0, .max_sel = 24,
	  .uV_step = 25000 },
	{ .min_uV = 1550000, .max_uV = 1800000, .min_sel = 25, .max_sel = 30,
	  .uV_step = 50000 },
	{ .min_uV = 1850000, .max_uV = 2900000, .min_sel = 31, .max_sel = 52,
	  .uV_step = 50000 },
	{ .min_uV = 3000000, .max_uV = 3200000, .min_sel = 53, .max_sel = 55,
	  .uV_step = 100000 },
	{ .min_uV = 3300000, .max_uV = 3300000, .min_sel = 56, .max_sel = 62,
	  .uV_step = 0 },
};

static struct tps_info tps65217_pmic_regs[] = {
	TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1),
	TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1),
	TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1),
	TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL),
	TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1),
	TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
			tps65217_uv_to_vsel2),
	TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
			tps65217_uv_to_vsel2),
static const struct regulator_linear_range tps65217_uv2_ranges[] = {
	{ .min_uV = 1500000, .max_uV = 1900000, .min_sel =  0, .max_sel = 8,
	  .uV_step = 50000 },
	{ .min_uV = 2000000, .max_uV = 2400000, .min_sel = 9, .max_sel = 13,
	  .uV_step = 100000 },
	{ .min_uV = 2450000, .max_uV = 3300000, .min_sel = 14, .max_sel = 31,
	  .uV_step = 50000 },
};

static int tps65217_pmic_enable(struct regulator_dev *dev)
@@ -192,49 +123,6 @@ static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
	return ret;
}

static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
				     int min_uV, int max_uV)
{

	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int sel, rid = rdev_get_id(dev);
	int ret;

	/* LDO1 uses regulator_map_voltage_iterate() */
	if (rid == TPS65217_LDO_1)
		return -EINVAL;

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	if (min_uV < tps->info[rid]->min_uV)
		min_uV = tps->info[rid]->min_uV;

	if (max_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
		return -EINVAL;

	ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
	if (ret)
		return ret;

	return sel;
}

static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
					unsigned selector)
{
	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int rid = rdev_get_id(dev);

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	if (selector >= dev->desc->n_voltages)
		return -EINVAL;

	return tps->info[rid]->vsel_to_uv(selector);
}

/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
static struct regulator_ops tps65217_pmic_ops = {
	.is_enabled		= regulator_is_enabled_regmap,
@@ -242,8 +130,8 @@ static struct regulator_ops tps65217_pmic_ops = {
	.disable		= tps65217_pmic_disable,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= tps65217_pmic_set_voltage_sel,
	.list_voltage		= tps65217_pmic_list_voltage,
	.map_voltage		= tps65217_pmic_map_voltage,
	.list_voltage		= regulator_list_voltage_linear_range,
	.map_voltage		= regulator_map_voltage_linear_range,
};

/* Operations permitted on LDO1 */
@@ -259,27 +147,33 @@ static struct regulator_ops tps65217_pmic_ldo1_ops = {
static const struct regulator_desc regulators[] = {
	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC1_EN, NULL),
			   TPS65217_ENABLE_DC1_EN, NULL, tps65217_uv1_ranges,
			   2),	/* DCDC1 voltage range: 900000 ~ 1800000 */
	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC2_EN, NULL),
			   TPS65217_ENABLE_DC2_EN, NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges)),
	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC3_EN, NULL),
			   TPS65217_ENABLE_DC3_EN, NULL, tps65217_uv1_ranges,
			   1),	/* DCDC3 voltage range: 900000 ~ 1500000 */
	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16,
			   TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK,
			   TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table),
			   TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table, NULL, 0),
	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK,
			   TPS65217_ENABLE_LDO2_EN, NULL),
			   TPS65217_ENABLE_LDO2_EN, NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges)),
	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32,
			   TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
			   TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
			   NULL),
			   NULL, tps65217_uv2_ranges,
			   ARRAY_SIZE(tps65217_uv2_ranges)),
	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32,
			   TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
			   TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
			   NULL),
			   NULL, tps65217_uv2_ranges,
			   ARRAY_SIZE(tps65217_uv2_ranges)),
};

#ifdef CONFIG_OF
@@ -368,8 +262,6 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
			continue;

		/* Register the regulators */
		tps->info[i] = &tps65217_pmic_regs[i];

		config.dev = tps->dev;
		config.init_data = reg_data;
		config.driver_data = tps;
+0 −19
Original line number Diff line number Diff line
@@ -243,24 +243,6 @@ struct tps65217_board {
	struct tps65217_bl_pdata *bl_pdata;
};

/**
 * struct tps_info - packages regulator constraints
 * @name:		Voltage regulator name
 * @min_uV:		minimum micro volts
 * @max_uV:		minimum micro volts
 * @vsel_to_uv:		Function pointer to get voltage from selector
 * @uv_to_vsel:		Function pointer to get selector from voltage
 *
 * This data is used to check the regualtor voltage limits while setting.
 */
struct tps_info {
	const char *name;
	int min_uV;
	int max_uV;
	int (*vsel_to_uv)(unsigned int vsel);
	int (*uv_to_vsel)(int uV, unsigned int *vsel);
};

/**
 * struct tps65217 - tps65217 sub-driver chip access routines
 *
@@ -273,7 +255,6 @@ struct tps65217 {
	unsigned int id;
	struct regulator_desc desc[TPS65217_NUM_REGULATOR];
	struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
	struct tps_info *info[TPS65217_NUM_REGULATOR];
	struct regmap *regmap;
};