regulator: tps6586x: Prepare supporting fixed regulators

Add the required definitions and macros to allow easily adding fixed
regulators. This required for the TPS658640 that doesn't allow setting
the LDO_RTC output voltage.

Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 32f38a6..da8ee02 100644 (file)
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -68,7 +68,7 @@ static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
        return rdev_get_dev(rdev)->parent;
 }
 
-static struct regulator_ops tps6586x_regulator_ops = {
+static struct regulator_ops tps6586x_rw_regulator_ops = {
        .list_voltage = regulator_list_voltage_table,
        .map_voltage = regulator_map_voltage_ascend,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
@@ -79,6 +79,16 @@ static struct regulator_ops tps6586x_regulator_ops = {
        .disable = regulator_disable_regmap,
 };
 
+static struct regulator_ops tps6586x_ro_regulator_ops = {
+       .list_voltage = regulator_list_voltage_table,
+       .map_voltage = regulator_map_voltage_ascend,
+       .get_voltage_sel = regulator_get_voltage_sel_regmap,
+
+       .is_enabled = regulator_is_enabled_regmap,
+       .enable = regulator_enable_regmap,
+       .disable = regulator_disable_regmap,
+};
+
 static struct regulator_ops tps6586x_sys_regulator_ops = {
 };
 
@@ -120,12 +130,12 @@ static const unsigned int tps6586x_dvm_voltages[] = {
        1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
 };
 
-#define TPS6586X_REGULATOR(_id, _pin_name, vdata, vreg, shift, nbits,  \
+#define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \
                           ereg0, ebit0, ereg1, ebit1, goreg, gobit)    \
        .desc   = {                                                     \
                .supply_name = _pin_name,                               \
                .name   = "REG-" #_id,                                  \
-               .ops    = &tps6586x_regulator_ops,                      \
+               .ops    = &tps6586x_## _ops ## _regulator_ops,          \
                .type   = REGULATOR_VOLTAGE,                            \
                .id     = TPS6586X_ID_##_id,                            \
                .n_voltages = ARRAY_SIZE(vdata##_voltages),             \
@@ -146,14 +156,21 @@ static const unsigned int tps6586x_dvm_voltages[] = {
 #define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits,           \
                     ereg0, ebit0, ereg1, ebit1)                        \
 {                                                                      \
-       TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits,      \
+       TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits,  \
+                          ereg0, ebit0, ereg1, ebit1, 0, 0)            \
+}
+
+#define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits,     \
+                         ereg0, ebit0, ereg1, ebit1)                   \
+{                                                                      \
+       TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits,  \
                           ereg0, ebit0, ereg1, ebit1, 0, 0)            \
 }
 
 #define TPS6586X_DVM(_id, _pname, vdata, vreg, shift, nbits,           \
                     ereg0, ebit0, ereg1, ebit1, goreg, gobit)          \
 {                                                                      \
-       TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits,      \
+       TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits,  \
                           ereg0, ebit0, ereg1, ebit1, goreg, gobit)    \
 }