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-rw-r--r--drivers/regulator/bd71837-regulator.c153
-rw-r--r--include/linux/mfd/rohm-bd718x7.h32
2 files changed, 143 insertions, 42 deletions
diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c
index 8e89334f94d1..d2522d4e1505 100644
--- a/drivers/regulator/bd71837-regulator.c
+++ b/drivers/regulator/bd71837-regulator.c
@@ -78,6 +78,34 @@ static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
return regulator_set_voltage_sel_regmap(rdev, sel);
}
+static int bd718xx_set_voltage_sel_pickable_restricted(
+ struct regulator_dev *rdev, unsigned int sel)
+{
+ if (regulator_is_enabled_regmap(rdev))
+ return -EBUSY;
+
+ return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
+}
+
+static struct regulator_ops bd718xx_pickable_range_ldo_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+};
+
+static struct regulator_ops bd718xx_pickable_range_buck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
static struct regulator_ops bd718xx_ldo_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
@@ -139,24 +167,61 @@ static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
/*
* BD71837 BUCK5
+ * 0.7V to 1.35V (range 0)
+ * and
+ * 0.675 to 1.325 (range 1)
+ */
+static const struct regulator_linear_range bd71837_buck5_volts[] = {
+ /* Ranges when VOLT_SEL bit is 0 */
+ REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
+ REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
+ /* Ranges when VOLT_SEL bit is 1 */
+ REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
+ REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
+ REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
+};
+
+/*
+ * Range selector for first 3 linear ranges is 0x0
+ * and 0x1 for last 3 ranges.
+ */
+static const unsigned int bd71837_buck5_volt_range_sel[] = {
+ 0x0, 0x0, 0x0, 0x80, 0x80, 0x80
+};
+
+/*
* BD71847 BUCK3
- * 0.7V to 1.35V ()
*/
-static const struct regulator_linear_range bd718xx_1st_nodvs_buck_volts[] = {
+static const struct regulator_linear_range bd71847_buck3_volts[] = {
+ /* Ranges when VOLT_SEL bits are 00 */
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
+ /* Ranges when VOLT_SEL bits are 01 */
+ REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000),
+ /* Ranges when VOLT_SEL bits are 11 */
+ REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
+ REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
+ REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
+};
+
+static const unsigned int bd71847_buck3_volt_range_sel[] = {
+ 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
};
-static const struct regulator_linear_range bd71847_buck4_voltage_ranges[] = {
+static const struct regulator_linear_range bd71847_buck4_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
};
+static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
+
/*
* BUCK6
* 3.0V to 3.3V (step 100mV)
*/
-static const struct regulator_linear_range bd71837_buck6_voltage_ranges[] = {
+static const struct regulator_linear_range bd71837_buck6_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
};
@@ -190,8 +255,11 @@ static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
*/
static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
};
+static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 };
+
/*
* LDO2
* 0.8 or 0.9V
@@ -220,11 +288,22 @@ static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
* LDO5 for BD71837
* 1.8 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd718xx_ldo5_volts[] = {
+static const struct regulator_linear_range bd71837_ldo5_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
/*
+ * LDO5 for BD71837
+ * 1.8 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd71847_ldo5_volts[] = {
+ REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
+ REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
+};
+
+static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
+
+/*
* LDO6
* 0.9 to 1.8V (100mV step)
*/
@@ -332,14 +411,17 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.of_match = of_match_ptr("BUCK3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK3,
- .ops = &bd718xx_buck_regulator_ops,
+ .ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_1ST_NODVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_1st_nodvs_buck_volts,
+ .n_voltages = BD71847_BUCK3_VOLTAGE_NUM,
+ .linear_ranges = bd71847_buck3_volts,
.n_linear_ranges =
- ARRAY_SIZE(bd718xx_1st_nodvs_buck_volts),
+ ARRAY_SIZE(bd71847_buck3_volts),
.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
.vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
+ .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71847_BUCK3_RANGE_MASK,
+ .linear_range_selectors = bd71847_buck3_volt_range_sel,
.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
@@ -356,15 +438,18 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.of_match = of_match_ptr("BUCK4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK4,
- .ops = &bd718xx_buck_regulator_ops,
+ .ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71847_BUCK4_VOLTAGE_NUM,
- .linear_ranges = bd71847_buck4_voltage_ranges,
+ .linear_ranges = bd71847_buck4_volts,
.n_linear_ranges =
- ARRAY_SIZE(bd71847_buck4_voltage_ranges),
+ ARRAY_SIZE(bd71847_buck4_volts),
.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
.vsel_mask = BD71847_BUCK4_MASK,
+ .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
+ .linear_range_selectors = bd71847_buck4_volt_range_sel,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
},
@@ -426,13 +511,16 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO1,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo1_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
.vsel_reg = BD718XX_REG_LDO1_VOLT,
.vsel_mask = BD718XX_LDO1_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
+ .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
.enable_reg = BD718XX_REG_LDO1_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
@@ -517,13 +605,16 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.of_match = of_match_ptr("LDO5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO5,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO5_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo5_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo5_volts),
+ .n_voltages = BD71847_LDO5_VOLTAGE_NUM,
+ .linear_ranges = bd71847_ldo5_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts),
.vsel_reg = BD718XX_REG_LDO5_VOLT,
.vsel_mask = BD71847_LDO5_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO5_VOLT,
+ .vsel_range_mask = BD71847_LDO5_RANGE_MASK,
+ .linear_range_selectors = bd71847_ldo5_volt_range_sel,
.enable_reg = BD718XX_REG_LDO5_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
@@ -660,14 +751,17 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("BUCK5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK5,
- .ops = &bd718xx_buck_regulator_ops,
+ .ops = &bd718xx_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_1ST_NODVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_1st_nodvs_buck_volts,
+ .n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
+ .linear_ranges = bd71837_buck5_volts,
.n_linear_ranges =
- ARRAY_SIZE(bd718xx_1st_nodvs_buck_volts),
+ ARRAY_SIZE(bd71837_buck5_volts),
.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
+ .vsel_mask = BD71837_BUCK5_MASK,
+ .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71837_BUCK5_RANGE_MASK,
+ .linear_range_selectors = bd71837_buck5_volt_range_sel,
.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
@@ -687,9 +781,9 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
- .linear_ranges = bd71837_buck6_voltage_ranges,
+ .linear_ranges = bd71837_buck6_volts,
.n_linear_ranges =
- ARRAY_SIZE(bd71837_buck6_voltage_ranges),
+ ARRAY_SIZE(bd71837_buck6_volts),
.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
.vsel_mask = BD71837_BUCK6_MASK,
.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
@@ -754,13 +848,16 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO1,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd718xx_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo1_volts,
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
.vsel_reg = BD718XX_REG_LDO1_VOLT,
.vsel_mask = BD718XX_LDO1_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
+ .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
.enable_reg = BD718XX_REG_LDO1_VOLT,
.enable_mask = BD718XX_LDO_EN,
.owner = THIS_MODULE,
@@ -847,9 +944,9 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.id = BD718XX_LDO5,
.ops = &bd718xx_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO5_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo5_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo5_volts),
+ .n_voltages = BD71837_LDO5_VOLTAGE_NUM,
+ .linear_ranges = bd71837_ldo5_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts),
/* LDO5 is supplied by buck6 */
.supply_name = "buck6",
.vsel_reg = BD718XX_REG_LDO5_VOLT,
diff --git a/include/linux/mfd/rohm-bd718x7.h b/include/linux/mfd/rohm-bd718x7.h
index fed5fed75732..26acf9a92498 100644
--- a/include/linux/mfd/rohm-bd718x7.h
+++ b/include/linux/mfd/rohm-bd718x7.h
@@ -31,31 +31,27 @@ enum {
BD718XX_REGULATOR_AMOUNT,
};
-/* Common voltage configurations
- *
- * Note, we support only one range of voltages for each buck/LDO until we
- * get pickable ranges support. (See range selection bits for BUCK5 and
- * LDO1. On BD71847 also the second no DVS buck and LDO5)
- */
-
+/* Common voltage configurations */
#define BD718XX_DVS_BUCK_VOLTAGE_NUM 0x3D
-#define BD718XX_1ST_NODVS_BUCK_VOLTAGE_NUM 0x08
#define BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM 0x3D
-#define BD718XX_LDO1_VOLTAGE_NUM 0x04
+#define BD718XX_LDO1_VOLTAGE_NUM 0x08
#define BD718XX_LDO2_VOLTAGE_NUM 0x02
#define BD718XX_LDO3_VOLTAGE_NUM 0x10
#define BD718XX_LDO4_VOLTAGE_NUM 0x0A
-#define BD718XX_LDO5_VOLTAGE_NUM 0x10
#define BD718XX_LDO6_VOLTAGE_NUM 0x0A
/* BD71837 specific voltage configurations */
+#define BD71837_BUCK5_VOLTAGE_NUM 0x10
#define BD71837_BUCK6_VOLTAGE_NUM 0x04
#define BD71837_BUCK7_VOLTAGE_NUM 0x08
+#define BD71837_LDO5_VOLTAGE_NUM 0x10
#define BD71837_LDO7_VOLTAGE_NUM 0x10
/* BD71847 specific voltage configurations */
-#define BD71847_BUCK4_VOLTAGE_NUM 0x04
+#define BD71847_BUCK3_VOLTAGE_NUM 0x18
+#define BD71847_BUCK4_VOLTAGE_NUM 0x08
+#define BD71847_LDO5_VOLTAGE_NUM 0x20
/* Registers specific to BD71837 */
enum {
@@ -139,12 +135,20 @@ enum {
#define DVS_BUCK_IDLE_MASK 0x3F
#define BD718XX_1ST_NODVS_BUCK_MASK 0x07
-#define BD71847_BUCK4_MASK 0x03
-#define BD71837_BUCK6_MASK 0x03
#define BD718XX_3RD_NODVS_BUCK_MASK 0x07
#define BD718XX_4TH_NODVS_BUCK_MASK 0x3F
+#define BD71847_BUCK3_MASK 0x07
+#define BD71847_BUCK3_RANGE_MASK 0xC0
+#define BD71847_BUCK4_MASK 0x03
+#define BD71847_BUCK4_RANGE_MASK 0x40
+
+#define BD71837_BUCK5_MASK 0x07
+#define BD71837_BUCK5_RANGE_MASK 0x80
+#define BD71837_BUCK6_MASK 0x03
+
#define BD718XX_LDO1_MASK 0x03
+#define BD718XX_LDO1_RANGE_MASK 0x20
#define BD718XX_LDO2_MASK 0x20
#define BD718XX_LDO3_MASK 0x0F
#define BD718XX_LDO4_MASK 0x0F
@@ -152,10 +156,10 @@ enum {
#define BD71837_LDO5_MASK 0x0F
#define BD71847_LDO5_MASK 0x0F
+#define BD71847_LDO5_RANGE_MASK 0x20
#define BD71837_LDO7_MASK 0x0F
-
/* BD718XX Voltage monitoring masks */
#define BD718XX_BUCK1_VRMON80 0x1
#define BD718XX_BUCK1_VRMON130 0x2
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.