regulator: pf8x00: use linear range for buck 1-6
authorAdrien Grassein <adrien.grassein@gmail.com>
Thu, 14 Jan 2021 17:47:13 +0000 (18:47 +0100)
committerMark Brown <broonie@kernel.org>
Fri, 15 Jan 2021 14:16:14 +0000 (14:16 +0000)
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>
Link: https://lore.kernel.org/r/20210114174714.122561-6-adrien.grassein@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/regulator/pf8x00-regulator.c

index 0c0f643b9c60e2b74dad715f966c6149d305b3f8..866162fddd070172df6a433b535eca47391bdbc2 100644 (file)
@@ -154,35 +154,11 @@ 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 */
@@ -296,7 +272,19 @@ static const struct regulator_ops pf8x00_ldo_ops = {
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
 };
 
-static const struct regulator_ops pf8x00_buck_ops = {
+
+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_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,
+       .set_current_limit = regulator_set_current_limit_regmap,
+};
+
+static const struct regulator_ops pf8x00_buck7_ops = {
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
        .is_enabled = regulator_is_enabled_regmap,
@@ -345,11 +333,41 @@ 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),     \
-                       .ops = &pf8x00_buck_ops,                \
+                       .n_voltages = PF8XOO_SW1_6_VOLTAGE_NUM, \
+                       .ops = &pf8x00_buck1_6_ops,             \
                        .type = REGULATOR_VOLTAGE,              \
                        .id = PF8X00_BUCK ## _id,               \
                        .owner = THIS_MODULE,                   \
+                       .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, \
+                       .n_current_limits = \
+                               ARRAY_SIZE(pf8x00_sw_current_table), \
+                       .csel_reg = (base) + SW_CONFIG2,        \
+                       .csel_mask = PF8X00_SWXILIM_MASK,       \
+                       .enable_reg = (base) + SW_MODE1,        \
+                       .enable_val = 0x3,                      \
+                       .disable_val = 0x0,                     \
+                       .enable_mask = 0x3,                     \
+                       .enable_time = 500,                     \
+               },                                              \
+       }
+
+#define PF8X00BUCK7(_name, base, voltages)                     \
+       [PF8X00_BUCK7] = {                              \
+               .desc = {                                       \
+                       .name = _name,                          \
+                       .of_match = _name,                      \
+                       .regulators_node = "regulators",        \
+                       .of_parse_cb = pf8x00_of_parse_cb,      \
+                       .n_voltages = ARRAY_SIZE(voltages),     \
+                       .ops = &pf8x00_buck7_ops,               \
+                       .type = REGULATOR_VOLTAGE,              \
+                       .id = PF8X00_BUCK7,             \
+                       .owner = THIS_MODULE,                   \
                        .volt_table = voltages,                 \
                        .vsel_reg = (base) + SW_RUN_VOLT,       \
                        .vsel_mask = 0xff,                      \
@@ -366,6 +384,7 @@ static const struct regulator_ops pf8x00_vsnvs_ops = {
                },                                              \
        }
 
+
 #define PF8X00VSNVS(_name, base, voltages)                     \
        [PF8X00_VSNVS] = {                                      \
                .desc = {                                       \
@@ -394,7 +413,7 @@ static struct pf8x00_regulator pf8x00_regulators_data[PF8X00_MAX_REGULATORS] = {
        PF8X00BUCK(4, "buck4", PF8X00_SW_BASE(PF8X00_BUCK4), pf8x00_sw1_to_6_voltages),
        PF8X00BUCK(5, "buck5", PF8X00_SW_BASE(PF8X00_BUCK5), pf8x00_sw1_to_6_voltages),
        PF8X00BUCK(6, "buck6", PF8X00_SW_BASE(PF8X00_BUCK6), pf8x00_sw1_to_6_voltages),
-       PF8X00BUCK(7, "buck7", PF8X00_SW_BASE(PF8X00_BUCK7), pf8x00_sw7_voltages),
+       PF8X00BUCK7("buck7", PF8X00_SW_BASE(PF8X00_BUCK7), pf8x00_sw7_voltages),
        PF8X00VSNVS("vsnvs", PF8X00_VSNVS_CONFIG1, pf8x00_vsnvs_voltages),
 };