uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * Copyright (C) EETS GmbH, 2017, Felix Brack <f.brack@eets.ch>

 */

​

#include <common.h>

#include <dm.h>

#include <power/pmic.h>

#include <power/regulator.h>

#include <power/tps65910_pmic.h>

​

#define VOUT_CHOICE_COUNT 4

​

/*

 * struct regulator_props - Properties of a LDO and VIO SMPS regulator

 *

 * All of these regulators allow setting one out of four output voltages.

 * These output voltages are only achievable when supplying the regulator

 * with a minimum input voltage.

 *

 * @vin_min[]: minimum supply input voltage in uV required to achieve the

 *             corresponding vout[] voltage

 * @vout[]:    regulator output voltage in uV

 * @reg:       I2C register used to set regulator voltage

 */

struct regulator_props {

    int vin_min[VOUT_CHOICE_COUNT];

    int vout[VOUT_CHOICE_COUNT];

    int reg;

};

​

static const struct regulator_props ldo_props_vdig1 = {

    .vin_min = { 1700000, 2100000, 2700000, 3200000 },

    .vout = { 1200000, 1500000, 1800000, 2700000 },

    .reg = TPS65910_REG_VDIG1

};

​

static const struct regulator_props ldo_props_vdig2 = {

    .vin_min = { 1700000, 1700000, 1700000, 2700000 },

    .vout = { 1000000, 1100000, 1200000, 1800000 },

    .reg = TPS65910_REG_VDIG2

};

​

static const struct regulator_props ldo_props_vpll = {

    .vin_min = { 2700000, 2700000, 2700000, 3000000 },

    .vout = { 1000000, 1100000, 1800000, 2500000 },

    .reg = TPS65910_REG_VPLL

};

​

static const struct regulator_props ldo_props_vdac = {

    .vin_min = { 2700000, 3000000, 3200000, 3200000 },

    .vout = { 1800000, 2600000, 2800000, 2850000 },

    .reg = TPS65910_REG_VDAC

};

​

static const struct regulator_props ldo_props_vaux1 = {

    .vin_min = { 2700000, 3200000, 3200000, 3200000 },

    .vout = { 1800000, 2500000, 2800000, 2850000 },

    .reg = TPS65910_REG_VAUX1

};

​

static const struct regulator_props ldo_props_vaux2 = {

    .vin_min = { 2700000, 3200000, 3200000, 3600000 },

    .vout = { 1800000, 2800000, 2900000, 3300000 },

    .reg = TPS65910_REG_VAUX2

};

​

static const struct regulator_props ldo_props_vaux33 = {

    .vin_min = { 2700000, 2700000, 3200000, 3600000 },

    .vout = { 1800000, 2000000, 2800000, 3300000 },

    .reg = TPS65910_REG_VAUX33

};

​

static const struct regulator_props ldo_props_vmmc = {

    .vin_min = { 2700000, 3200000, 3200000, 3600000 },

    .vout = { 1800000, 2800000, 3000000, 3300000 },

    .reg = TPS65910_REG_VMMC

};

​

static const struct regulator_props smps_props_vio = {

    .vin_min = { 3200000, 3200000, 4000000, 4400000 },

    .vout = { 1500000, 1800000, 2500000, 3300000 },

    .reg = TPS65910_REG_VIO

};

​

/* lookup table of control registers indexed by regulator unit number */

static const int ctrl_regs[] = {

    TPS65910_REG_VRTC,

    TPS65910_REG_VIO,

    TPS65910_REG_VDD1,

    TPS65910_REG_VDD2,

    TPS65910_REG_VDD3,