aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/regulator/bd71828-regulator.c58
-rw-r--r--drivers/regulator/helpers.c43
-rw-r--r--drivers/regulator/rohm-regulator.c4
-rw-r--r--drivers/regulator/tps6287x-regulator.c1
-rw-r--r--drivers/regulator/tps6594-regulator.c16
-rw-r--r--include/linux/regulator/driver.h3
6 files changed, 48 insertions, 77 deletions
diff --git a/drivers/regulator/bd71828-regulator.c b/drivers/regulator/bd71828-regulator.c
index 08d4ee369287..dd871ffe979c 100644
--- a/drivers/regulator/bd71828-regulator.c
+++ b/drivers/regulator/bd71828-regulator.c
@@ -206,14 +206,11 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
.suspend_reg = BD71828_REG_BUCK1_SUSP_VOLT,
.suspend_mask = BD71828_MASK_BUCK1267_VOLT,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
- .lpsr_on_mask = BD71828_MASK_LPSR_EN,
/*
* LPSR voltage is same as SUSPEND voltage. Allow
- * setting it so that regulator can be set enabled at
- * LPSR state
+ * only enabling/disabling regulator for LPSR state
*/
- .lpsr_reg = BD71828_REG_BUCK1_SUSP_VOLT,
- .lpsr_mask = BD71828_MASK_BUCK1267_VOLT,
+ .lpsr_on_mask = BD71828_MASK_LPSR_EN,
},
.reg_inits = buck1_inits,
.reg_init_amnt = ARRAY_SIZE(buck1_inits),
@@ -288,13 +285,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_BUCK3_VOLT,
- .idle_reg = BD71828_REG_BUCK3_VOLT,
- .suspend_reg = BD71828_REG_BUCK3_VOLT,
- .lpsr_reg = BD71828_REG_BUCK3_VOLT,
.run_mask = BD71828_MASK_BUCK3_VOLT,
- .idle_mask = BD71828_MASK_BUCK3_VOLT,
- .suspend_mask = BD71828_MASK_BUCK3_VOLT,
- .lpsr_mask = BD71828_MASK_BUCK3_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -329,13 +320,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_BUCK4_VOLT,
- .idle_reg = BD71828_REG_BUCK4_VOLT,
- .suspend_reg = BD71828_REG_BUCK4_VOLT,
- .lpsr_reg = BD71828_REG_BUCK4_VOLT,
.run_mask = BD71828_MASK_BUCK4_VOLT,
- .idle_mask = BD71828_MASK_BUCK4_VOLT,
- .suspend_mask = BD71828_MASK_BUCK4_VOLT,
- .lpsr_mask = BD71828_MASK_BUCK4_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -370,13 +355,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_BUCK5_VOLT,
- .idle_reg = BD71828_REG_BUCK5_VOLT,
- .suspend_reg = BD71828_REG_BUCK5_VOLT,
- .lpsr_reg = BD71828_REG_BUCK5_VOLT,
.run_mask = BD71828_MASK_BUCK5_VOLT,
- .idle_mask = BD71828_MASK_BUCK5_VOLT,
- .suspend_mask = BD71828_MASK_BUCK5_VOLT,
- .lpsr_mask = BD71828_MASK_BUCK5_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -493,13 +472,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_LDO1_VOLT,
- .idle_reg = BD71828_REG_LDO1_VOLT,
- .suspend_reg = BD71828_REG_LDO1_VOLT,
- .lpsr_reg = BD71828_REG_LDO1_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -533,13 +506,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_LDO2_VOLT,
- .idle_reg = BD71828_REG_LDO2_VOLT,
- .suspend_reg = BD71828_REG_LDO2_VOLT,
- .lpsr_reg = BD71828_REG_LDO2_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -573,13 +540,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_LDO3_VOLT,
- .idle_reg = BD71828_REG_LDO3_VOLT,
- .suspend_reg = BD71828_REG_LDO3_VOLT,
- .lpsr_reg = BD71828_REG_LDO3_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -614,13 +575,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_LDO4_VOLT,
- .idle_reg = BD71828_REG_LDO4_VOLT,
- .suspend_reg = BD71828_REG_LDO4_VOLT,
- .lpsr_reg = BD71828_REG_LDO4_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -655,13 +610,7 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
ROHM_DVS_LEVEL_SUSPEND |
ROHM_DVS_LEVEL_LPSR,
.run_reg = BD71828_REG_LDO5_VOLT,
- .idle_reg = BD71828_REG_LDO5_VOLT,
- .suspend_reg = BD71828_REG_LDO5_VOLT,
- .lpsr_reg = BD71828_REG_LDO5_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
@@ -720,9 +669,6 @@ static const struct bd71828_regulator_data bd71828_rdata[] = {
.suspend_reg = BD71828_REG_LDO7_VOLT,
.lpsr_reg = BD71828_REG_LDO7_VOLT,
.run_mask = BD71828_MASK_LDO_VOLT,
- .idle_mask = BD71828_MASK_LDO_VOLT,
- .suspend_mask = BD71828_MASK_LDO_VOLT,
- .lpsr_mask = BD71828_MASK_LDO_VOLT,
.idle_on_mask = BD71828_MASK_IDLE_EN,
.suspend_on_mask = BD71828_MASK_SUSP_EN,
.lpsr_on_mask = BD71828_MASK_LPSR_EN,
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index d49268336553..6e1ace660b8c 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -161,6 +161,32 @@ int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev)
}
EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_pickable_regmap);
+static int write_separate_vsel_and_range(struct regulator_dev *rdev,
+ unsigned int sel, unsigned int range)
+{
+ bool range_updated;
+ int ret;
+
+ ret = regmap_update_bits_base(rdev->regmap, rdev->desc->vsel_range_reg,
+ rdev->desc->vsel_range_mask,
+ range, &range_updated, false, false);
+ if (ret)
+ return ret;
+
+ /*
+ * Some PMICs treat the vsel_reg same as apply-bit. Force it to be
+ * written if the range changed, even if the old selector was same as
+ * the new one
+ */
+ if (rdev->desc->range_applied_by_vsel && range_updated)
+ return regmap_write_bits(rdev->regmap,
+ rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, sel);
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, sel);
+}
+
/**
* regulator_set_voltage_sel_pickable_regmap - pickable range set_voltage_sel
*
@@ -199,21 +225,12 @@ int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev,
range = rdev->desc->linear_range_selectors_bitfield[i];
range <<= ffs(rdev->desc->vsel_range_mask) - 1;
- if (rdev->desc->vsel_reg == rdev->desc->vsel_range_reg) {
- ret = regmap_update_bits(rdev->regmap,
- rdev->desc->vsel_reg,
+ if (rdev->desc->vsel_reg == rdev->desc->vsel_range_reg)
+ ret = regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
rdev->desc->vsel_range_mask |
rdev->desc->vsel_mask, sel | range);
- } else {
- ret = regmap_update_bits(rdev->regmap,
- rdev->desc->vsel_range_reg,
- rdev->desc->vsel_range_mask, range);
- if (ret)
- return ret;
-
- ret = regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
- rdev->desc->vsel_mask, sel);
- }
+ else
+ ret = write_separate_vsel_and_range(rdev, sel, range);
if (ret)
return ret;
diff --git a/drivers/regulator/rohm-regulator.c b/drivers/regulator/rohm-regulator.c
index 0e2418ed957c..4b95ca01959c 100644
--- a/drivers/regulator/rohm-regulator.c
+++ b/drivers/regulator/rohm-regulator.c
@@ -46,6 +46,7 @@ static int set_dvs_level(const struct regulator_desc *desc,
continue;
if (ret == uv) {
i <<= ffs(desc->vsel_mask) - 1;
+
ret = regmap_update_bits(regmap, reg, mask, i);
if (omask && !ret)
ret = regmap_update_bits(regmap, oreg, omask,
@@ -53,6 +54,9 @@ static int set_dvs_level(const struct regulator_desc *desc,
break;
}
}
+ if (i == desc->n_voltages)
+ pr_warn("Unsupported %s voltage %u\n", prop, uv);
+
return ret;
}
diff --git a/drivers/regulator/tps6287x-regulator.c b/drivers/regulator/tps6287x-regulator.c
index 9b7c3d77789e..3c9d79e003e4 100644
--- a/drivers/regulator/tps6287x-regulator.c
+++ b/drivers/regulator/tps6287x-regulator.c
@@ -115,6 +115,7 @@ static struct regulator_desc tps6287x_reg = {
.vsel_mask = 0xFF,
.vsel_range_reg = TPS6287X_CTRL2,
.vsel_range_mask = TPS6287X_CTRL2_VRANGE,
+ .range_applied_by_vsel = true,
.ramp_reg = TPS6287X_CTRL1,
.ramp_mask = TPS6287X_CTRL1_VRAMP,
.ramp_delay_table = tps6287x_ramp_table,
diff --git a/drivers/regulator/tps6594-regulator.c b/drivers/regulator/tps6594-regulator.c
index 9e7886bd4149..4a859f4c0f83 100644
--- a/drivers/regulator/tps6594-regulator.c
+++ b/drivers/regulator/tps6594-regulator.c
@@ -400,30 +400,30 @@ static struct tps6594_regulator_irq_type *tps65224_ldos_irq_types[] = {
static const struct regulator_desc tps6594_multi_regs[] = {
TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1,
REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_VOUT_1(1),
+ TPS6594_REG_BUCKX_VOUT_1(0),
TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_CTRL(1),
+ TPS6594_REG_BUCKX_CTRL(0),
TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges,
4, 4000, 0, NULL, 0, 0),
TPS6594_REGULATOR("BUCK34", "buck34", TPS6594_BUCK_3,
REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_VOUT_1(3),
+ TPS6594_REG_BUCKX_VOUT_1(2),
TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_CTRL(3),
+ TPS6594_REG_BUCKX_CTRL(2),
TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges,
4, 0, 0, NULL, 0, 0),
TPS6594_REGULATOR("BUCK123", "buck123", TPS6594_BUCK_1,
REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_VOUT_1(1),
+ TPS6594_REG_BUCKX_VOUT_1(0),
TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_CTRL(1),
+ TPS6594_REG_BUCKX_CTRL(0),
TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges,
4, 4000, 0, NULL, 0, 0),
TPS6594_REGULATOR("BUCK1234", "buck1234", TPS6594_BUCK_1,
REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_VOUT_1(1),
+ TPS6594_REG_BUCKX_VOUT_1(0),
TPS6594_MASK_BUCKS_VSET,
- TPS6594_REG_BUCKX_CTRL(1),
+ TPS6594_REG_BUCKX_CTRL(0),
TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges,
4, 4000, 0, NULL, 0, 0),
};
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 22a07c0900a4..f230a472ccd3 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -299,6 +299,8 @@ enum regulator_type {
* @vsel_range_reg: Register for range selector when using pickable ranges
* and ``regulator_map_*_voltage_*_pickable`` functions.
* @vsel_range_mask: Mask for register bitfield used for range selector
+ * @range_applied_by_vsel: A flag to indicate that changes to vsel_range_reg
+ * are only effective after vsel_reg is written
* @vsel_reg: Register for selector when using ``regulator_map_*_voltage_*``
* @vsel_mask: Mask for register bitfield used for selector
* @vsel_step: Specify the resolution of selector stepping when setting
@@ -389,6 +391,7 @@ struct regulator_desc {
unsigned int vsel_range_reg;
unsigned int vsel_range_mask;
+ bool range_applied_by_vsel;
unsigned int vsel_reg;
unsigned int vsel_mask;
unsigned int vsel_step;
Powered by cgit, Gruvboxed by Blaster4385.