Merge tag 'rproc-v4.8' of git://github.com/andersson/remoteproc
[deliverable/linux.git] / drivers / regulator / act8865-regulator.c
index 000d566e32a4e106744ee652dd25967a02fcb190..7652477e6a9df95cb4b43c0ef7753886250371fd 100644 (file)
@@ -139,6 +139,74 @@ struct act8865 {
        int off_mask;
 };
 
+static const struct regmap_range act8600_reg_ranges[] = {
+       regmap_reg_range(0x00, 0x01),
+       regmap_reg_range(0x10, 0x10),
+       regmap_reg_range(0x12, 0x12),
+       regmap_reg_range(0x20, 0x20),
+       regmap_reg_range(0x22, 0x22),
+       regmap_reg_range(0x30, 0x30),
+       regmap_reg_range(0x32, 0x32),
+       regmap_reg_range(0x40, 0x41),
+       regmap_reg_range(0x50, 0x51),
+       regmap_reg_range(0x60, 0x61),
+       regmap_reg_range(0x70, 0x71),
+       regmap_reg_range(0x80, 0x81),
+       regmap_reg_range(0x91, 0x91),
+       regmap_reg_range(0xA1, 0xA1),
+       regmap_reg_range(0xA8, 0xAA),
+       regmap_reg_range(0xB0, 0xB0),
+       regmap_reg_range(0xB2, 0xB2),
+       regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_range act8600_reg_ro_ranges[] = {
+       regmap_reg_range(0xAA, 0xAA),
+       regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_range act8600_reg_volatile_ranges[] = {
+       regmap_reg_range(0x00, 0x01),
+       regmap_reg_range(0x12, 0x12),
+       regmap_reg_range(0x22, 0x22),
+       regmap_reg_range(0x32, 0x32),
+       regmap_reg_range(0x41, 0x41),
+       regmap_reg_range(0x51, 0x51),
+       regmap_reg_range(0x61, 0x61),
+       regmap_reg_range(0x71, 0x71),
+       regmap_reg_range(0x81, 0x81),
+       regmap_reg_range(0xA8, 0xA8),
+       regmap_reg_range(0xAA, 0xAA),
+       regmap_reg_range(0xB0, 0xB0),
+       regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_access_table act8600_write_ranges_table = {
+       .yes_ranges     = act8600_reg_ranges,
+       .n_yes_ranges   = ARRAY_SIZE(act8600_reg_ranges),
+       .no_ranges      = act8600_reg_ro_ranges,
+       .n_no_ranges    = ARRAY_SIZE(act8600_reg_ro_ranges),
+};
+
+static const struct regmap_access_table act8600_read_ranges_table = {
+       .yes_ranges     = act8600_reg_ranges,
+       .n_yes_ranges   = ARRAY_SIZE(act8600_reg_ranges),
+};
+
+static const struct regmap_access_table act8600_volatile_ranges_table = {
+       .yes_ranges     = act8600_reg_volatile_ranges,
+       .n_yes_ranges   = ARRAY_SIZE(act8600_reg_volatile_ranges),
+};
+
+static const struct regmap_config act8600_regmap_config = {
+       .reg_bits = 8,
+       .val_bits = 8,
+       .max_register = 0xFF,
+       .wr_table = &act8600_write_ranges_table,
+       .rd_table = &act8600_read_ranges_table,
+       .volatile_table = &act8600_volatile_ranges_table,
+};
+
 static const struct regmap_config act8865_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
@@ -319,7 +387,6 @@ static struct of_regulator_match act8600_matches[] = {
 };
 
 static int act8865_pdata_from_dt(struct device *dev,
-                                struct device_node **of_node,
                                 struct act8865_platform_data *pdata,
                                 unsigned long type)
 {
@@ -328,12 +395,6 @@ static int act8865_pdata_from_dt(struct device *dev,
        struct act8865_regulator_data *regulator;
        struct of_regulator_match *matches;
 
-       np = of_get_child_by_name(dev->of_node, "regulators");
-       if (!np) {
-               dev_err(dev, "missing 'regulators' subnode in DT\n");
-               return -EINVAL;
-       }
-
        switch (type) {
        case ACT8600:
                matches = act8600_matches;
@@ -352,6 +413,12 @@ static int act8865_pdata_from_dt(struct device *dev,
                return -EINVAL;
        }
 
+       np = of_get_child_by_name(dev->of_node, "regulators");
+       if (!np) {
+               dev_err(dev, "missing 'regulators' subnode in DT\n");
+               return -EINVAL;
+       }
+
        matched = of_regulator_match(dev, np, matches, num_matches);
        of_node_put(np);
        if (matched <= 0)
@@ -370,7 +437,7 @@ static int act8865_pdata_from_dt(struct device *dev,
                regulator->id = i;
                regulator->name = matches[i].name;
                regulator->init_data = matches[i].init_data;
-               of_node[i] = matches[i].of_node;
+               regulator->of_node = matches[i].of_node;
                regulator++;
        }
 
@@ -378,7 +445,6 @@ static int act8865_pdata_from_dt(struct device *dev,
 }
 #else
 static inline int act8865_pdata_from_dt(struct device *dev,
-                                       struct device_node **of_node,
                                        struct act8865_platform_data *pdata,
                                        unsigned long type)
 {
@@ -386,8 +452,8 @@ static inline int act8865_pdata_from_dt(struct device *dev,
 }
 #endif
 
-static struct regulator_init_data
-*act8865_get_init_data(int id, struct act8865_platform_data *pdata)
+static struct act8865_regulator_data *act8865_get_regulator_data(
+               int id, struct act8865_platform_data *pdata)
 {
        int i;
 
@@ -396,7 +462,7 @@ static struct regulator_init_data
 
        for (i = 0; i < pdata->num_regulators; i++) {
                if (pdata->regulators[i].id == id)
-                       return pdata->regulators[i].init_data;
+                       return &pdata->regulators[i];
        }
 
        return NULL;
@@ -418,9 +484,9 @@ static int act8865_pmic_probe(struct i2c_client *client,
        const struct regulator_desc *regulators;
        struct act8865_platform_data pdata_of, *pdata;
        struct device *dev = &client->dev;
-       struct device_node **of_node;
        int i, ret, num_regulators;
        struct act8865 *act8865;
+       const struct regmap_config *regmap_config;
        unsigned long type;
        int off_reg, off_mask;
        int voltage_select = 0;
@@ -447,12 +513,14 @@ static int act8865_pmic_probe(struct i2c_client *client,
        case ACT8600:
                regulators = act8600_regulators;
                num_regulators = ARRAY_SIZE(act8600_regulators);
+               regmap_config = &act8600_regmap_config;
                off_reg = -1;
                off_mask = -1;
                break;
        case ACT8846:
                regulators = act8846_regulators;
                num_regulators = ARRAY_SIZE(act8846_regulators);
+               regmap_config = &act8865_regmap_config;
                off_reg = ACT8846_GLB_OFF_CTRL;
                off_mask = ACT8846_OFF_SYSMASK;
                break;
@@ -464,6 +532,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
                        regulators = act8865_regulators;
                        num_regulators = ARRAY_SIZE(act8865_regulators);
                }
+               regmap_config = &act8865_regmap_config;
                off_reg = ACT8865_SYS_CTRL;
                off_mask = ACT8865_MSTROFF;
                break;
@@ -472,34 +541,22 @@ static int act8865_pmic_probe(struct i2c_client *client,
                return -EINVAL;
        }
 
-       of_node = devm_kzalloc(dev, sizeof(struct device_node *) *
-                              num_regulators, GFP_KERNEL);
-       if (!of_node)
-               return -ENOMEM;
-
        if (dev->of_node && !pdata) {
-               ret = act8865_pdata_from_dt(dev, of_node, &pdata_of, type);
+               ret = act8865_pdata_from_dt(dev, &pdata_of, type);
                if (ret < 0)
                        return ret;
 
                pdata = &pdata_of;
        }
 
-       if (pdata->num_regulators > num_regulators) {
-               dev_err(dev, "too many regulators: %d\n",
-                       pdata->num_regulators);
-               return -EINVAL;
-       }
-
        act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL);
        if (!act8865)
                return -ENOMEM;
 
-       act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config);
+       act8865->regmap = devm_regmap_init_i2c(client, regmap_config);
        if (IS_ERR(act8865->regmap)) {
                ret = PTR_ERR(act8865->regmap);
-               dev_err(&client->dev, "Failed to allocate register map: %d\n",
-                       ret);
+               dev_err(dev, "Failed to allocate register map: %d\n", ret);
                return ret;
        }
 
@@ -518,15 +575,20 @@ static int act8865_pmic_probe(struct i2c_client *client,
        for (i = 0; i < num_regulators; i++) {
                const struct regulator_desc *desc = &regulators[i];
                struct regulator_config config = { };
+               struct act8865_regulator_data *rdata;
                struct regulator_dev *rdev;
 
                config.dev = dev;
-               config.init_data = act8865_get_init_data(desc->id, pdata);
-               config.of_node = of_node[i];
                config.driver_data = act8865;
                config.regmap = act8865->regmap;
 
-               rdev = devm_regulator_register(&client->dev, desc, &config);
+               rdata = act8865_get_regulator_data(desc->id, pdata);
+               if (rdata) {
+                       config.init_data = rdata->init_data;
+                       config.of_node = rdata->of_node;
+               }
+
+               rdev = devm_regulator_register(dev, desc, &config);
                if (IS_ERR(rdev)) {
                        dev_err(dev, "failed to register %s\n", desc->name);
                        return PTR_ERR(rdev);
@@ -534,7 +596,6 @@ static int act8865_pmic_probe(struct i2c_client *client,
        }
 
        i2c_set_clientdata(client, act8865);
-       devm_kfree(dev, of_node);
 
        return 0;
 }
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