mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
0fd3d91152
Most drivers use these access methods but a few do not. Update them. In some cases the access is not permitted, so mark those with a FIXME tag for the maintainer to check. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Pratyush Yadav <p.yadav@ti.com>
389 lines
10 KiB
C
389 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2018 Flowbird
|
|
* Martin Fuzzey <martin.fuzzey@flowbird.group>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <linux/bitops.h>
|
|
#include <power/da9063_pmic.h>
|
|
#include <power/pmic.h>
|
|
#include <power/regulator.h>
|
|
|
|
#define DA9063_BUCK_EN 0x01
|
|
#define DA9063_LDO_EN 0x01
|
|
#define DA9063_VBUCK_MASK 0x7F
|
|
#define DA9063_BUCK_SL 0x80
|
|
#define DA9063_LDO_SL 0x80
|
|
|
|
#define DA9063_VLDO1_MASK 0x3F
|
|
#define DA9063_VLDO2_MASK 0x3F
|
|
#define DA9063_VLDO3_MASK 0x7F
|
|
#define DA9063_VLDO4_MASK 0x7F
|
|
#define DA9063_VLDO5_MASK 0x3F
|
|
#define DA9063_VLDO6_MASK 0x3F
|
|
#define DA9063_VLDO7_MASK 0x3F
|
|
#define DA9063_VLDO8_MASK 0x3F
|
|
#define DA9063_VLDO9_MASK 0x3F
|
|
#define DA9063_VLDO10_MASK 0x3F
|
|
#define DA9063_VLDO11_MASK 0x3F
|
|
|
|
#define DA9063_BUCK_MODE_MASK 0xC0
|
|
#define DA9063_BUCK_MODE_MANUAL 0x00
|
|
#define DA9063_BUCK_MODE_SLEEP 0x40
|
|
#define DA9063_BUCK_MODE_SYNC 0x80
|
|
#define DA9063_BUCK_MODE_AUTO 0xC0
|
|
|
|
#define DA9063_BIO_ILIM_MASK 0x0F
|
|
#define DA9063_BMEM_ILIM_MASK 0xF0
|
|
#define DA9063_BPRO_ILIM_MASK 0x0F
|
|
#define DA9063_BPERI_ILIM_MASK 0xF0
|
|
#define DA9063_BCORE1_ILIM_MASK 0x0F
|
|
#define DA9063_BCORE2_ILIM_MASK 0xF0
|
|
|
|
struct da9063_reg_info {
|
|
uint min_uV;
|
|
uint step_uV;
|
|
uint max_uV;
|
|
uint min_uA;
|
|
uint step_uA;
|
|
uint max_uA;
|
|
uint en_reg;
|
|
uint vsel_reg;
|
|
uint mode_reg;
|
|
uint ilim_reg;
|
|
u8 en_mask;
|
|
u8 vsel_mask;
|
|
u8 ilim_mask;
|
|
const char *dt_node_name;
|
|
const int *current_limits;
|
|
};
|
|
|
|
struct da9063_priv {
|
|
const struct da9063_reg_info *reg_info;
|
|
};
|
|
|
|
static struct dm_regulator_mode da9063_ldo_modes[] = {
|
|
{ .id = DA9063_LDOMODE_SLEEP,
|
|
.register_value = DA9063_LDO_SL, .name = "SLEEP" },
|
|
{ .id = DA9063_LDOMODE_NORMAL,
|
|
.register_value = 0, .name = "NORMAL" },
|
|
};
|
|
|
|
#define DA9063_LDO(regl_name, min_mV, step_mV, max_mV) \
|
|
.min_uV = (min_mV) * 1000, \
|
|
.step_uV = (step_mV) * 1000, \
|
|
.max_uV = (max_mV) * 1000, \
|
|
.en_reg = DA9063_REG_##regl_name##_CONT, \
|
|
.en_mask = DA9063_LDO_EN, \
|
|
.vsel_reg = DA9063_REG_V##regl_name##_A, \
|
|
.vsel_mask = DA9063_V##regl_name##_MASK, \
|
|
.mode_reg = DA9063_REG_V##regl_name##_A \
|
|
|
|
/* This array is directly indexed so must stay in numerical order */
|
|
static const struct da9063_reg_info da9063_ldo_info[] = {
|
|
{ DA9063_LDO(LDO1, 600, 20, 1860) },
|
|
{ DA9063_LDO(LDO2, 600, 20, 1860) },
|
|
{ DA9063_LDO(LDO3, 900, 20, 3440) },
|
|
{ DA9063_LDO(LDO4, 900, 20, 3440) },
|
|
{ DA9063_LDO(LDO5, 900, 50, 3600) },
|
|
{ DA9063_LDO(LDO6, 900, 50, 3600) },
|
|
{ DA9063_LDO(LDO7, 900, 50, 3600) },
|
|
{ DA9063_LDO(LDO8, 900, 50, 3600) },
|
|
{ DA9063_LDO(LDO9, 950, 50, 3600) },
|
|
{ DA9063_LDO(LDO10, 900, 50, 3600) },
|
|
{ DA9063_LDO(LDO11, 900, 50, 3600) },
|
|
};
|
|
|
|
static struct dm_regulator_mode da9063_buck_modes[] = {
|
|
{ .id = DA9063_BUCKMODE_SLEEP,
|
|
.register_value = DA9063_BUCK_MODE_SLEEP, .name = "SLEEP" },
|
|
{ .id = DA9063_BUCKMODE_SYNC,
|
|
.register_value = DA9063_BUCK_MODE_SYNC, .name = "SYNC" },
|
|
{ .id = DA9063_BUCKMODE_AUTO,
|
|
.register_value = DA9063_BUCK_MODE_AUTO, .name = "AUTO" },
|
|
};
|
|
|
|
#define DA9063_BUCK(regl_name, dt_name, \
|
|
min_mV, step_mV, max_mV, \
|
|
min_mA, step_mA, max_mA, _ilim_reg) \
|
|
.dt_node_name = dt_name, \
|
|
.min_uV = (min_mV) * 1000, \
|
|
.step_uV = (step_mV) * 1000, \
|
|
.max_uV = (max_mV) * 1000, \
|
|
.min_uA = (min_mA) * 1000, \
|
|
.step_uA = (step_mA) * 1000, \
|
|
.max_uA = (max_mA) * 1000, \
|
|
.en_reg = DA9063_REG_##regl_name##_CONT, \
|
|
.en_mask = DA9063_BUCK_EN, \
|
|
.vsel_reg = DA9063_REG_V##regl_name##_A, \
|
|
.vsel_mask = DA9063_VBUCK_MASK, \
|
|
.mode_reg = DA9063_REG_##regl_name##_CFG, \
|
|
.ilim_reg = DA9063_REG_BUCK_ILIM_##_ilim_reg, \
|
|
.ilim_mask = DA9063_##regl_name##_ILIM_MASK
|
|
|
|
static const struct da9063_reg_info da9063_buck_info[] = {
|
|
/* mV mA */
|
|
{ DA9063_BUCK(BCORE1, "bcore1", 300, 10, 1570, 500, 100, 2000, C) },
|
|
{ DA9063_BUCK(BCORE2, "bcore2", 300, 10, 1570, 500, 100, 2000, C) },
|
|
{ DA9063_BUCK(BPRO, "bpro", 530, 10, 1800, 500, 100, 2000, B) },
|
|
{ DA9063_BUCK(BMEM, "bmem", 800, 20, 3340, 1500, 100, 3000, A) },
|
|
{ DA9063_BUCK(BIO, "bio", 800, 20, 3340, 1500, 100, 3000, A) },
|
|
{ DA9063_BUCK(BPERI, "bperi", 800, 20, 3340, 1500, 100, 3000, B) },
|
|
};
|
|
|
|
static int da9063_get_enable(struct udevice *dev)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int ret;
|
|
|
|
ret = pmic_reg_read(dev->parent, info->en_reg);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return ret & info->en_mask ? true : false;
|
|
}
|
|
|
|
static int da9063_set_enable(struct udevice *dev, bool enable)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
|
|
return pmic_clrsetbits(dev->parent, info->en_reg,
|
|
info->en_mask, enable ? info->en_mask : 0);
|
|
}
|
|
|
|
static int da9063_get_voltage(struct udevice *dev)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int ret;
|
|
|
|
ret = pmic_reg_read(dev->parent, info->vsel_reg);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return info->min_uV + (ret & info->vsel_mask) * info->step_uV;
|
|
}
|
|
|
|
static int da9063_set_voltage(struct udevice *dev, int uV)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
uint sel;
|
|
|
|
if (uV < info->min_uV || uV > info->max_uV)
|
|
return -EINVAL;
|
|
|
|
sel = (uV - info->min_uV) / info->step_uV;
|
|
|
|
return pmic_clrsetbits(dev->parent, info->vsel_reg,
|
|
info->vsel_mask, sel);
|
|
}
|
|
|
|
static const struct dm_regulator_mode
|
|
*da9063_find_mode_by_id(int id,
|
|
const struct dm_regulator_mode *modes,
|
|
uint mode_count)
|
|
{
|
|
for (; mode_count; mode_count--) {
|
|
if (modes->id == id)
|
|
return modes;
|
|
modes++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int ldo_get_mode(struct udevice *dev)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int val;
|
|
|
|
val = pmic_reg_read(dev->parent, info->mode_reg);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
if (val & DA9063_LDO_SL)
|
|
return DA9063_LDOMODE_SLEEP;
|
|
else
|
|
return DA9063_LDOMODE_NORMAL;
|
|
}
|
|
|
|
static int ldo_set_mode(struct udevice *dev, int mode_id)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
const struct dm_regulator_mode *mode;
|
|
|
|
mode = da9063_find_mode_by_id(mode_id,
|
|
da9063_ldo_modes,
|
|
ARRAY_SIZE(da9063_ldo_modes));
|
|
if (!mode)
|
|
return -EINVAL;
|
|
|
|
return pmic_clrsetbits(dev->parent, info->mode_reg,
|
|
DA9063_LDO_SL, mode->register_value);
|
|
}
|
|
|
|
static int buck_get_mode(struct udevice *dev)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int i;
|
|
int val;
|
|
|
|
val = pmic_reg_read(dev->parent, info->mode_reg);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
val &= DA9063_BUCK_MODE_MASK;
|
|
if (val == DA9063_BUCK_MODE_MANUAL) {
|
|
val = pmic_reg_read(dev->parent, info->vsel_reg);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
if (val & DA9063_BUCK_SL)
|
|
return DA9063_BUCKMODE_SLEEP;
|
|
else
|
|
return DA9063_BUCKMODE_SYNC;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(da9063_buck_modes); i++) {
|
|
if (da9063_buck_modes[i].register_value == val)
|
|
return da9063_buck_modes[i].id;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int buck_set_mode(struct udevice *dev, int mode_id)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
const struct dm_regulator_mode *mode;
|
|
|
|
mode = da9063_find_mode_by_id(mode_id,
|
|
da9063_buck_modes,
|
|
ARRAY_SIZE(da9063_buck_modes));
|
|
if (!mode)
|
|
return -EINVAL;
|
|
|
|
return pmic_clrsetbits(dev->parent, info->mode_reg,
|
|
DA9063_BUCK_MODE_MASK, mode->register_value);
|
|
}
|
|
|
|
static int buck_get_current_limit(struct udevice *dev)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int val;
|
|
|
|
val = pmic_reg_read(dev->parent, info->ilim_reg);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
val &= info->ilim_mask;
|
|
val >>= (ffs(info->ilim_mask) - 1);
|
|
|
|
return info->min_uA + val * info->step_uA;
|
|
}
|
|
|
|
static int buck_set_current_limit(struct udevice *dev, int uA)
|
|
{
|
|
const struct da9063_priv *priv = dev_get_priv(dev);
|
|
const struct da9063_reg_info *info = priv->reg_info;
|
|
int val;
|
|
|
|
if (uA < info->min_uA || uA > info->max_uA)
|
|
return -EINVAL;
|
|
|
|
val = (uA - info->min_uA) / info->step_uA;
|
|
val <<= (ffs(info->ilim_mask) - 1);
|
|
|
|
return pmic_clrsetbits(dev->parent, info->ilim_reg,
|
|
info->ilim_mask, val);
|
|
}
|
|
|
|
static int da9063_ldo_probe(struct udevice *dev)
|
|
{
|
|
struct dm_regulator_uclass_plat *uc_pdata;
|
|
struct da9063_priv *priv = dev_get_priv(dev);
|
|
|
|
/* LDOs are named numerically in DT so can directly index */
|
|
if (dev->driver_data < 1 ||
|
|
dev->driver_data > ARRAY_SIZE(da9063_ldo_info))
|
|
return -EINVAL;
|
|
priv->reg_info = &da9063_ldo_info[dev->driver_data - 1];
|
|
|
|
uc_pdata = dev_get_uclass_plat(dev);
|
|
uc_pdata->type = REGULATOR_TYPE_LDO;
|
|
uc_pdata->mode = da9063_ldo_modes;
|
|
uc_pdata->mode_count = ARRAY_SIZE(da9063_ldo_modes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int da9063_buck_probe(struct udevice *dev)
|
|
{
|
|
struct dm_regulator_uclass_plat *uc_pdata;
|
|
struct da9063_priv *priv = dev_get_priv(dev);
|
|
int i;
|
|
|
|
/* Bucks have names rather than numbers so need to match with DT */
|
|
for (i = 0; i < ARRAY_SIZE(da9063_buck_info); i++) {
|
|
const struct da9063_reg_info *info = &da9063_buck_info[i];
|
|
|
|
if (!strcmp(info->dt_node_name, dev->name)) {
|
|
priv->reg_info = info;
|
|
break;
|
|
}
|
|
}
|
|
if (!priv->reg_info)
|
|
return -ENODEV;
|
|
|
|
uc_pdata = dev_get_uclass_plat(dev);
|
|
uc_pdata->type = REGULATOR_TYPE_BUCK;
|
|
uc_pdata->mode = da9063_buck_modes;
|
|
uc_pdata->mode_count = ARRAY_SIZE(da9063_buck_modes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dm_regulator_ops da9063_ldo_ops = {
|
|
.get_value = da9063_get_voltage,
|
|
.set_value = da9063_set_voltage,
|
|
.get_enable = da9063_get_enable,
|
|
.set_enable = da9063_set_enable,
|
|
.get_mode = ldo_get_mode,
|
|
.set_mode = ldo_set_mode,
|
|
};
|
|
|
|
U_BOOT_DRIVER(da9063_ldo) = {
|
|
.name = DA9063_LDO_DRIVER,
|
|
.id = UCLASS_REGULATOR,
|
|
.ops = &da9063_ldo_ops,
|
|
.probe = da9063_ldo_probe,
|
|
.priv_auto = sizeof(struct da9063_priv),
|
|
};
|
|
|
|
static const struct dm_regulator_ops da9063_buck_ops = {
|
|
.get_value = da9063_get_voltage,
|
|
.set_value = da9063_set_voltage,
|
|
.get_enable = da9063_get_enable,
|
|
.set_enable = da9063_set_enable,
|
|
.get_mode = buck_get_mode,
|
|
.set_mode = buck_set_mode,
|
|
.get_current = buck_get_current_limit,
|
|
.set_current = buck_set_current_limit,
|
|
};
|
|
|
|
U_BOOT_DRIVER(da9063_buck) = {
|
|
.name = DA9063_BUCK_DRIVER,
|
|
.id = UCLASS_REGULATOR,
|
|
.ops = &da9063_buck_ops,
|
|
.probe = da9063_buck_probe,
|
|
.priv_auto = sizeof(struct da9063_priv),
|
|
};
|