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 <bharga...@ltts.com>
Reviewed-by: Jaehoon Chung <jh80.ch...@samsung.com>
---
drivers/power/regulator/tps65941_regulator.c | 61 +++++++++++++++-----
1 file changed, 48 insertions(+), 13 deletions(-)
diff --git a/drivers/power/regulator/tps65941_regulator.c
b/drivers/power/regulator/tps65941_regulator.c
index cf54e30df5..d879c2301b 100644
--- a/drivers/power/regulator/tps65941_regulator.c
+++ b/drivers/power/regulator/tps65941_regulator.c
@@ -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;
--
2.25.1
