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Date: Sun, 10 Feb 2019 10:48:45 +0800
From: Axel Lin <axel.lin@...ics.com>
To: Mark Brown <broonie@...nel.org>
Cc: Milo Kim <milo.kim@...com>, Liam Girdwood <lgirdwood@...il.com>,
linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH] regulator: lp8788-buck: Convert to linear range
linear range is suitable for this driver, let's convert it to linear range.
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
drivers/regulator/lp8788-buck.c | 38 +++++++++++++++++----------------
1 file changed, 20 insertions(+), 18 deletions(-)
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 30de784d8e30..a7d30550bb5f 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -95,12 +95,10 @@ struct lp8788_buck {
void *dvs;
};
-/* BUCK 1 ~ 4 voltage table */
-static const int lp8788_buck_vtbl[] = {
- 500000, 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000,
- 1150000, 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000,
- 1550000, 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000,
- 1950000, 2000000,
+/* BUCK 1 ~ 4 voltage ranges */
+static const struct regulator_linear_range buck_volt_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 0, 0),
+ REGULATOR_LINEAR_RANGE(800000, 1, 25, 50000),
};
static void lp8788_buck1_set_dvs(struct lp8788_buck *buck)
@@ -345,8 +343,8 @@ static unsigned int lp8788_buck_get_mode(struct regulator_dev *rdev)
}
static const struct regulator_ops lp8788_buck12_ops = {
- .list_voltage = regulator_list_voltage_table,
- .map_voltage = regulator_map_voltage_ascend,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
.set_voltage_sel = lp8788_buck12_set_voltage_sel,
.get_voltage_sel = lp8788_buck12_get_voltage_sel,
.enable = regulator_enable_regmap,
@@ -358,8 +356,8 @@ static const struct regulator_ops lp8788_buck12_ops = {
};
static const struct regulator_ops lp8788_buck34_ops = {
- .list_voltage = regulator_list_voltage_table,
- .map_voltage = regulator_map_voltage_ascend,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.enable = regulator_enable_regmap,
@@ -375,8 +373,9 @@ static const struct regulator_desc lp8788_buck_desc[] = {
.name = "buck1",
.id = BUCK1,
.ops = &lp8788_buck12_ops,
- .n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
- .volt_table = lp8788_buck_vtbl,
+ .n_voltages = 26,
+ .linear_ranges = buck_volt_ranges,
+ .n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_BUCK,
@@ -386,8 +385,9 @@ static const struct regulator_desc lp8788_buck_desc[] = {
.name = "buck2",
.id = BUCK2,
.ops = &lp8788_buck12_ops,
- .n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
- .volt_table = lp8788_buck_vtbl,
+ .n_voltages = 26,
+ .linear_ranges = buck_volt_ranges,
+ .n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_BUCK,
@@ -397,8 +397,9 @@ static const struct regulator_desc lp8788_buck_desc[] = {
.name = "buck3",
.id = BUCK3,
.ops = &lp8788_buck34_ops,
- .n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
- .volt_table = lp8788_buck_vtbl,
+ .n_voltages = 26,
+ .linear_ranges = buck_volt_ranges,
+ .n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.vsel_reg = LP8788_BUCK3_VOUT,
@@ -410,8 +411,9 @@ static const struct regulator_desc lp8788_buck_desc[] = {
.name = "buck4",
.id = BUCK4,
.ops = &lp8788_buck34_ops,
- .n_voltages = ARRAY_SIZE(lp8788_buck_vtbl),
- .volt_table = lp8788_buck_vtbl,
+ .n_voltages = 26,
+ .linear_ranges = buck_volt_ranges,
+ .n_linear_ranges = ARRAY_SIZE(buck_volt_ranges),
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.vsel_reg = LP8788_BUCK4_VOUT,
--
2.17.1
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