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Subject[PATCH v2 6/7] regulator: pf8x00: use linear range for buck 1-6
Date
Use a linear range to describe the voltages of the
bucks 1-6 instead of listing it one by one (via a macro)

Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
---
drivers/regulator/pf8x00-regulator.c | 40 +++++++---------------------
1 file changed, 9 insertions(+), 31 deletions(-)

diff --git a/drivers/regulator/pf8x00-regulator.c b/drivers/regulator/pf8x00-regulator.c
index ebb0ef0745f1..5ad940b3db0a 100644
--- a/drivers/regulator/pf8x00-regulator.c
+++ b/drivers/regulator/pf8x00-regulator.c
@@ -147,35 +147,11 @@ static const unsigned int pf8x00_sw_current_table[] = {
2100000, 2600000, 3000000, 4500000,
};

-#define SWV(i) (6250 * i + 400000)
-#define SWV_LINE(i) SWV(i*8+0), SWV(i*8+1), SWV(i*8+2), SWV(i*8+3), \
- SWV(i*8+4), SWV(i*8+5), SWV(i*8+6), SWV(i*8+7)
-
/* Output: 0.4V to 1.8V */
-static const int pf8x00_sw1_to_6_voltages[] = {
- SWV_LINE(0),
- SWV_LINE(1),
- SWV_LINE(2),
- SWV_LINE(3),
- SWV_LINE(4),
- SWV_LINE(5),
- SWV_LINE(6),
- SWV_LINE(7),
- SWV_LINE(8),
- SWV_LINE(9),
- SWV_LINE(10),
- SWV_LINE(11),
- SWV_LINE(12),
- SWV_LINE(13),
- SWV_LINE(14),
- SWV_LINE(15),
- SWV_LINE(16),
- SWV_LINE(17),
- SWV_LINE(18),
- SWV_LINE(19),
- SWV_LINE(20),
- SWV_LINE(21),
- 1500000, 1800000,
+#define PF8XOO_SW1_6_VOLTAGE_NUM 0xB2
+static const struct linear_range pf8x00_sw1_to_6_voltages[] = {
+ REGULATOR_LINEAR_RANGE(400000, 0x00, 0xB0, 6250),
+ REGULATOR_LINEAR_RANGE(1800000, 0xB1, 0xB1, 0),
};

/* Output: 1.0V to 4.1V */
@@ -240,7 +216,7 @@ static const struct regulator_ops pf8x00_buck1_6_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_table,
+ .list_voltage = regulator_list_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.get_current_limit = regulator_get_current_limit_regmap,
@@ -294,12 +270,14 @@ static const struct regulator_ops pf8x00_vsnvs_ops = {
.of_match = _name, \
.regulators_node = "regulators", \
.of_parse_cb = pf8x00_of_parse_cb, \
- .n_voltages = ARRAY_SIZE(voltages), \
+ .n_voltages = PF8XOO_SW1_6_VOLTAGE_NUM, \
.ops = &pf8x00_buck1_6_ops, \
.type = REGULATOR_VOLTAGE, \
.id = PF8X00_BUCK ## _id, \
.owner = THIS_MODULE, \
- .volt_table = voltages, \
+ .linear_ranges = pf8x00_sw1_to_6_voltages, \
+ .n_linear_ranges = \
+ ARRAY_SIZE(pf8x00_sw1_to_6_voltages), \
.vsel_reg = (base) + SW_RUN_VOLT, \
.vsel_mask = 0xff, \
.curr_table = pf8x00_sw_current_table, \
--
2.20.1
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