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power: regulator: tps65941: use function callbacks for conversion ops

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Use function callbacks for volt2val, val2volt and slewrate lookups.
This makes it easier to add support for TPS65224 PMIC regulators.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Bhargav Raviprakash 2024-04-22 09:49:01 +00:00 • committed by Jaehoon Chung
parent a08c8798cc
commit 5d7dbd22cf
1 changed files with 48 additions and 13 deletions
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61
drivers/power/regulator/tps65941_regulator.c
View file

@ -35,6 +35,17 @@
#define TPS65941_LDO_ID_3 3
#define TPS65941_LDO_ID_4 4
#define TPS65941_BUCK_CONV_OPS_IDX 0
#define TPS65941_LDO_CONV_OPS_IDX 0
struct tps65941_reg_conv_ops {
int volt_mask;
int (*volt2val)(int idx, int uV);
int (*val2volt)(int idx, int volt);
int slew_mask;
int (*lookup_slew)(int id);
};
static const char tps65941_buck_ctrl[TPS65941_BUCK_NUM] = {0x4, 0x6, 0x8, 0xA,
0xC};
static const char tps65941_buck_vout[TPS65941_BUCK_NUM] = {0xE, 0x10, 0x12,
@ -79,7 +90,7 @@ static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)
return 0;
}
static int tps65941_buck_volt2val(int uV)
static int tps65941_buck_volt2val(__maybe_unused int idx, int uV)
{
if (uV > TPS65941_BUCK_VOLT_MAX)
return -EINVAL;
@ -95,7 +106,7 @@ static int tps65941_buck_volt2val(int uV)
return -EINVAL;
}
static int tps65941_buck_val2volt(int val)
static int tps65941_buck_val2volt(__maybe_unused int idx, int val)
{
if (val > TPS65941_BUCK_VOLT_MAX_HEX)
return -EINVAL;
@ -135,12 +146,25 @@ int tps65941_lookup_slew(int id)
}
}
static const struct tps65941_reg_conv_ops buck_conv_ops[] = {
[TPS65941_BUCK_CONV_OPS_IDX] = {
.volt_mask = TPS65941_BUCK_VOLT_MASK,
.volt2val = tps65941_buck_volt2val,
.val2volt = tps65941_buck_val2volt,
.slew_mask = TP65941_BUCK_CONF_SLEW_MASK,
.lookup_slew = tps65941_lookup_slew,
},
};
static int tps65941_buck_val(struct udevice *dev, int op, int *uV)
{
unsigned int hex, adr;
int ret, delta, uwait, slew;
int ret, delta, uwait, slew, idx;
struct dm_regulator_uclass_plat *uc_pdata;
const struct tps65941_reg_conv_ops *conv_ops;
idx = dev->driver_data;
conv_ops = &buck_conv_ops[TPS65941_BUCK_CONV_OPS_IDX];
uc_pdata = dev_get_uclass_plat(dev);
if (op == PMIC_OP_GET)
@ -152,8 +176,8 @@ static int tps65941_buck_val(struct udevice *dev, int op, int *uV)
if (ret < 0)
return ret;
ret &= TPS65941_BUCK_VOLT_MASK;
ret = tps65941_buck_val2volt(ret);
ret &= conv_ops->volt_mask;
ret = conv_ops->val2volt(idx, ret);
if (ret < 0)
return ret;
@ -175,14 +199,14 @@ static int tps65941_buck_val(struct udevice *dev, int op, int *uV)
if (slew < 0)
return ret;
slew &= TP65941_BUCK_CONF_SLEW_MASK;
slew = tps65941_lookup_slew(slew);
slew &= conv_ops->slew_mask;
slew = conv_ops->lookup_slew(slew);
if (slew <= 0)
return ret;
uwait = delta / slew;
hex = tps65941_buck_volt2val(*uV);
hex = conv_ops->volt2val(idx, *uV);
if (hex < 0)
return hex;
@ -231,7 +255,7 @@ static int tps65941_ldo_enable(struct udevice *dev, int op, bool *enable)
return 0;
}
static int tps65941_ldo_val2volt(int val)
static int tps65941_ldo_val2volt(__maybe_unused int idx, int val)
{
if (val > TPS65941_LDO_VOLT_MAX_HEX || val < TPS65941_LDO_VOLT_MIN_HEX)
return -EINVAL;
@ -241,12 +265,23 @@ static int tps65941_ldo_val2volt(int val)
return -EINVAL;
}
static const struct tps65941_reg_conv_ops ldo_conv_ops[] = {
[TPS65941_LDO_CONV_OPS_IDX] = {
.volt_mask = TPS65941_LDO_VOLT_MASK,
.volt2val = tps65941_buck_volt2val,
.val2volt = tps65941_ldo_val2volt,
},
};
static int tps65941_ldo_val(struct udevice *dev, int op, int *uV)
{
unsigned int hex, adr;
int ret;
int ret, idx;
struct dm_regulator_uclass_plat *uc_pdata;
const struct tps65941_reg_conv_ops *conv_ops;
idx = dev->driver_data;
conv_ops = &ldo_conv_ops[TPS65941_LDO_CONV_OPS_IDX];
uc_pdata = dev_get_uclass_plat(dev);
if (op == PMIC_OP_GET)
@ -258,8 +293,8 @@ static int tps65941_ldo_val(struct udevice *dev, int op, int *uV)
if (ret < 0)
return ret;
ret &= TPS65941_LDO_VOLT_MASK;
ret = tps65941_ldo_val2volt(ret);
ret &= conv_ops->volt_mask;
ret = conv_ops->val2volt(idx, ret);
if (ret < 0)
return ret;
@ -268,7 +303,7 @@ static int tps65941_ldo_val(struct udevice *dev, int op, int *uV)
return 0;
}
hex = tps65941_buck_volt2val(*uV);
hex = conv_ops->volt2val(idx, *uV);
if (hex < 0)
return hex;