mfd: da9063: Add custom regmap for DA9063L

The DA9063L does not have an RTC. Add custom regmap for DA9063L to prevent access into that register block. Signed-off-by: Marek Vasut <[email protected]> Signed-off-by: Lee Jones <[email protected]>
berg · Jul 4, 2018 · 4bd6ad0 · 4bd6ad0
1 parent 8ae8181
commit 4bd6ad0
Showing 1 changed file with 48 additions and 0 deletions.
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
@@ -118,6 +118,50 @@ static const struct regmap_access_table da9063_bb_volatile_table = {
 	.n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges),
 };
 
+static const struct regmap_range da9063l_bb_readable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
+	regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
+};
+
+static const struct regmap_range da9063l_bb_writeable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+	regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+	regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063l_bb_volatile_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+	regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+	regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+	regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+	regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+	regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_REG_MON_A10_RES),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+	regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+	regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063l_bb_readable_table = {
+	.yes_ranges = da9063l_bb_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_writeable_table = {
+	.yes_ranges = da9063l_bb_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_volatile_table = {
+	.yes_ranges = da9063l_bb_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_volatile_ranges),
+};
+
 static const struct regmap_range_cfg da9063_range_cfg[] = {
 	{
 		.range_min = DA9063_REG_PAGE_CON,
@@ -164,6 +208,10 @@ static int da9063_i2c_probe(struct i2c_client *i2c,
 		da9063_regmap_config.rd_table = &da9063_ad_readable_table;
 		da9063_regmap_config.wr_table = &da9063_ad_writeable_table;
 		da9063_regmap_config.volatile_table = &da9063_ad_volatile_table;
+	} else if (da9063->type == PMIC_TYPE_DA9063L) {
+		da9063_regmap_config.rd_table = &da9063l_bb_readable_table;
+		da9063_regmap_config.wr_table = &da9063l_bb_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063l_bb_volatile_table;
 	} else {
 		da9063_regmap_config.rd_table = &da9063_bb_readable_table;
 		da9063_regmap_config.wr_table = &da9063_bb_writeable_table;