regulator: act8865: Configure register access for act8600

This can be used to expose the act8600 registers via debugfs.

Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 73 insertions, 1 deletions

diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 527926b045d5..a1cd0d4f8257 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -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,
@@ -418,6 +486,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
         struct device *dev = &client->dev;
         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;
@@ -444,12 +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;
@@ -461,6 +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;
@@ -481,7 +553,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
         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(dev, "Failed to allocate register map: %d\n", ret);