From: Seth Forshee <seth.forshee@canonical.com>
Date: Wed, 24 Jun 2020 17:10:10 +0000 (-0500)
Subject: regulator: rename da903x to da903x-regulator
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f16861b12fa0;p=linux.git
regulator: rename da903x to da903x-regulator
This module shares the same name as its parent PMIC driver, which
confuses tools like kmod. Rename the regulator driver to avoid
such problems.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Link: https://lore.kernel.org/r/20200624171010.845271-1-seth.forshee@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index e8f1633710711..0796e4a47afa5 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -31,7 +31,7 @@ obj-$(CONFIG_REGULATOR_BD70528) += bd70528-regulator.o
obj-$(CONFIG_REGULATOR_BD71828) += bd71828-regulator.o
obj-$(CONFIG_REGULATOR_BD718XX) += bd718x7-regulator.o
obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o
-obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
+obj-$(CONFIG_REGULATOR_DA903X) += da903x-regulator.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
obj-$(CONFIG_REGULATOR_DA9062) += da9062-regulator.o
diff --git a/drivers/regulator/da903x-regulator.c b/drivers/regulator/da903x-regulator.c
new file mode 100644
index 0000000000000..770e694824ac5
--- /dev/null
+++ b/drivers/regulator/da903x-regulator.c
@@ -0,0 +1,494 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Regulators driver for Dialog Semiconductor DA903x
+//
+// Copyright (C) 2006-2008 Marvell International Ltd.
+// Copyright (C) 2008 Compulab Ltd.
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/da903x.h>
+
+/* DA9030 Registers */
+#define DA9030_INVAL (-1)
+#define DA9030_LDO1011 (0x10)
+#define DA9030_LDO15 (0x11)
+#define DA9030_LDO1416 (0x12)
+#define DA9030_LDO1819 (0x13)
+#define DA9030_LDO17 (0x14)
+#define DA9030_BUCK2DVM1 (0x15)
+#define DA9030_BUCK2DVM2 (0x16)
+#define DA9030_RCTL11 (0x17)
+#define DA9030_RCTL21 (0x18)
+#define DA9030_LDO1 (0x90)
+#define DA9030_LDO23 (0x91)
+#define DA9030_LDO45 (0x92)
+#define DA9030_LDO6 (0x93)
+#define DA9030_LDO78 (0x94)
+#define DA9030_LDO912 (0x95)
+#define DA9030_BUCK (0x96)
+#define DA9030_RCTL12 (0x97)
+#define DA9030_RCTL22 (0x98)
+#define DA9030_LDO_UNLOCK (0xa0)
+#define DA9030_LDO_UNLOCK_MASK (0xe0)
+#define DA9034_OVER1 (0x10)
+
+/* DA9034 Registers */
+#define DA9034_INVAL (-1)
+#define DA9034_OVER2 (0x11)
+#define DA9034_OVER3 (0x12)
+#define DA9034_LDO643 (0x13)
+#define DA9034_LDO987 (0x14)
+#define DA9034_LDO1110 (0x15)
+#define DA9034_LDO1312 (0x16)
+#define DA9034_LDO1514 (0x17)
+#define DA9034_VCC1 (0x20)
+#define DA9034_ADTV1 (0x23)
+#define DA9034_ADTV2 (0x24)
+#define DA9034_AVRC (0x25)
+#define DA9034_CDTV1 (0x26)
+#define DA9034_CDTV2 (0x27)
+#define DA9034_CVRC (0x28)
+#define DA9034_SDTV1 (0x29)
+#define DA9034_SDTV2 (0x2a)
+#define DA9034_SVRC (0x2b)
+#define DA9034_MDTV1 (0x32)
+#define DA9034_MDTV2 (0x33)
+#define DA9034_MVRC (0x34)
+
+/* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */
+#define DA9035_OVER3 (0x12)
+#define DA9035_VCC2 (0x1f)
+#define DA9035_3DTV1 (0x2c)
+#define DA9035_3DTV2 (0x2d)
+#define DA9035_3VRC (0x2e)
+#define DA9035_AUTOSKIP (0x2f)
+
+struct da903x_regulator_info {
+ struct regulator_desc desc;
+
+ int max_uV;
+ int vol_reg;
+ int vol_shift;
+ int vol_nbits;
+ int update_reg;
+ int update_bit;
+ int enable_reg;
+ int enable_bit;
+};
+
+static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
+{
+ return rdev_get_dev(rdev)->parent->parent;
+}
+
+static inline int check_range(struct da903x_regulator_info *info,
+ int min_uV, int max_uV)
+{
+ if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
+ return -EINVAL;
+
+ return 0;
+}
+
+/* DA9030/DA9034 common operations */
+static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+ uint8_t val, mask;
+
+ if (rdev->desc->n_voltages == 1)
+ return -EINVAL;
+
+ val = selector << info->vol_shift;
+ mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+
+ return da903x_update(da9034_dev, info->vol_reg, val, mask);
+}
+
+static int da903x_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+ uint8_t val, mask;
+ int ret;
+
+ if (rdev->desc->n_voltages == 1)
+ return 0;
+
+ ret = da903x_read(da9034_dev, info->vol_reg, &val);
+ if (ret)
+ return ret;
+
+ mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+ val = (val & mask) >> info->vol_shift;
+
+ return val;
+}
+
+static int da903x_enable(struct regulator_dev *rdev)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+
+ return da903x_set_bits(da9034_dev, info->enable_reg,
+ 1 << info->enable_bit);
+}
+
+static int da903x_disable(struct regulator_dev *rdev)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+
+ return da903x_clr_bits(da9034_dev, info->enable_reg,
+ 1 << info->enable_bit);
+}
+
+static int da903x_is_enabled(struct regulator_dev *rdev)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+ uint8_t reg_val;
+ int ret;
+
+ ret = da903x_read(da9034_dev, info->enable_reg, ®_val);
+ if (ret)
+ return ret;
+
+ return !!(reg_val & (1 << info->enable_bit));
+}
+
+/* DA9030 specific operations */
+static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da903x_dev = to_da903x_dev(rdev);
+ uint8_t val, mask;
+ int ret;
+
+ val = selector << info->vol_shift;
+ mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+ val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */
+ mask |= DA9030_LDO_UNLOCK_MASK;
+
+ /* write twice */
+ ret = da903x_update(da903x_dev, info->vol_reg, val, mask);
+ if (ret)
+ return ret;
+
+ return da903x_update(da903x_dev, info->vol_reg, val, mask);
+}
+
+static int da9030_map_ldo14_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ int thresh, sel;
+
+ if (check_range(info, min_uV, max_uV)) {
+ pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
+ return -EINVAL;
+ }
+
+ thresh = (info->max_uV + info->desc.min_uV) / 2;
+ if (min_uV < thresh) {
+ sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);
+ sel |= 0x4;
+ } else {
+ sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);
+ }
+
+ return sel;
+}
+
+static int da9030_list_ldo14_voltage(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ int volt;
+
+ if (selector & 0x4)
+ volt = rdev->desc->min_uV +
+ rdev->desc->uV_step * (3 - (selector & ~0x4));
+ else
+ volt = (info->max_uV + rdev->desc->min_uV) / 2 +
+ rdev->desc->uV_step * (selector & ~0x4);
+
+ if (volt > info->max_uV)
+ return -EINVAL;
+
+ return volt;
+}
+
+/* DA9034 specific operations */
+static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ struct device *da9034_dev = to_da903x_dev(rdev);
+ uint8_t val, mask;
+ int ret;
+
+ val = selector << info->vol_shift;
+ mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+
+ ret = da903x_update(da9034_dev, info->vol_reg, val, mask);
+ if (ret)
+ return ret;
+
+ ret = da903x_set_bits(da9034_dev, info->update_reg,
+ 1 << info->update_bit);
+ return ret;
+}
+
+static const struct linear_range da9034_ldo12_ranges[] = {
+ REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000),
+ REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000),
+};
+
+static const struct regulator_ops da903x_regulator_ldo_ops = {
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .enable = da903x_enable,
+ .disable = da903x_disable,
+ .is_enabled = da903x_is_enabled,
+};
+
+/* NOTE: this is dedicated for the insane DA9030 LDO14 */
+static const struct regulator_ops da9030_regulator_ldo14_ops = {
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = da9030_list_ldo14_voltage,
+ .map_voltage = da9030_map_ldo14_voltage,
+ .enable = da903x_enable,
+ .disable = da903x_disable,
+ .is_enabled = da903x_is_enabled,
+};
+
+/* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */
+static const struct regulator_ops da9030_regulator_ldo1_15_ops = {
+ .set_voltage_sel = da9030_set_ldo1_15_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .enable = da903x_enable,
+ .disable = da903x_disable,
+ .is_enabled = da903x_is_enabled,
+};
+
+static const struct regulator_ops da9034_regulator_dvc_ops = {
+ .set_voltage_sel = da9034_set_dvc_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .enable = da903x_enable,
+ .disable = da903x_disable,
+ .is_enabled = da903x_is_enabled,
+};
+
+/* NOTE: this is dedicated for the insane LDO12 */
+static const struct regulator_ops da9034_regulator_ldo12_ops = {
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .enable = da903x_enable,
+ .disable = da903x_disable,
+ .is_enabled = da903x_is_enabled,
+};
+
+#define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \
+{ \
+ .desc = { \
+ .name = "LDO" #_id, \
+ .ops = &da903x_regulator_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _pmic##_ID_LDO##_id, \
+ .n_voltages = (step) ? ((max - min) / step + 1) : 1, \
+ .owner = THIS_MODULE, \
+ .min_uV = (min) * 1000, \
+ .uV_step = (step) * 1000, \
+ }, \
+ .max_uV = (max) * 1000, \
+ .vol_reg = _pmic##_##vreg, \
+ .vol_shift = (shift), \
+ .vol_nbits = (nbits), \
+ .enable_reg = _pmic##_##ereg, \
+ .enable_bit = (ebit), \
+}
+
+#define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+{ \
+ .desc = { \
+ .name = #_id, \
+ .ops = &da9034_regulator_dvc_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = _pmic##_ID_##_id, \
+ .n_voltages = (step) ? ((max - min) / step + 1) : 1, \
+ .owner = THIS_MODULE, \
+ .min_uV = (min) * 1000, \
+ .uV_step = (step) * 1000, \
+ }, \
+ .max_uV = (max) * 1000, \
+ .vol_reg = _pmic##_##vreg, \
+ .vol_shift = (0), \
+ .vol_nbits = (nbits), \
+ .update_reg = _pmic##_##ureg, \
+ .update_bit = (ubit), \
+ .enable_reg = _pmic##_##ereg, \
+ .enable_bit = (ebit), \
+}
+
+#define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
+ DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
+
+#define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
+ DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
+
+#define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+ DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \
+ ereg, ebit)
+
+#define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+ DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \
+ ereg, ebit)
+
+#define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
+ DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \
+ ereg, ebit)
+
+static struct da903x_regulator_info da903x_regulator_info[] = {
+ /* DA9030 */
+ DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0),
+
+ DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1),
+ DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2),
+ DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3),
+ DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4),
+ DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5),
+ DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6),
+ DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7),
+ DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0),
+ DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1),
+ DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2),
+ DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3),
+ DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4),
+ DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4),
+ DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5),
+ DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6),
+ DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7),
+ DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2),
+ DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1),
+ DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */
+
+ /* DA9034 */
+ DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0),
+ DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1),
+ DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2),
+ DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4),
+
+ DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5),
+ DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6),
+ DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0),
+ DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1),
+ DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2),
+ DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3),
+ DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4),
+ DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5),
+ DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6),
+ DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7),
+ DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0),
+ DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1),
+ DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */
+
+ /* DA9035 */
+ DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3),
+};
+
+static inline struct da903x_regulator_info *find_regulator_info(int id)
+{
+ struct da903x_regulator_info *ri;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) {
+ ri = &da903x_regulator_info[i];
+ if (ri->desc.id == id)
+ return ri;
+ }
+ return NULL;
+}
+
+static int da903x_regulator_probe(struct platform_device *pdev)
+{
+ struct da903x_regulator_info *ri = NULL;
+ struct regulator_dev *rdev;
+ struct regulator_config config = { };
+
+ ri = find_regulator_info(pdev->id);
+ if (ri == NULL) {
+ dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ return -EINVAL;
+ }
+
+ /* Workaround for the weird LDO12 voltage setting */
+ if (ri->desc.id == DA9034_ID_LDO12) {
+ ri->desc.ops = &da9034_regulator_ldo12_ops;
+ ri->desc.n_voltages = 16;
+ ri->desc.linear_ranges = da9034_ldo12_ranges;
+ ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges);
+ }
+
+ if (ri->desc.id == DA9030_ID_LDO14)
+ ri->desc.ops = &da9030_regulator_ldo14_ops;
+
+ if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)
+ ri->desc.ops = &da9030_regulator_ldo1_15_ops;
+
+ config.dev = &pdev->dev;
+ config.init_data = dev_get_platdata(&pdev->dev);
+ config.driver_data = ri;
+
+ rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ ri->desc.name);
+ return PTR_ERR(rdev);
+ }
+
+ platform_set_drvdata(pdev, rdev);
+ return 0;
+}
+
+static struct platform_driver da903x_regulator_driver = {
+ .driver = {
+ .name = "da903x-regulator",
+ },
+ .probe = da903x_regulator_probe,
+};
+
+static int __init da903x_regulator_init(void)
+{
+ return platform_driver_register(&da903x_regulator_driver);
+}
+subsys_initcall(da903x_regulator_init);
+
+static void __exit da903x_regulator_exit(void)
+{
+ platform_driver_unregister(&da903x_regulator_driver);
+}
+module_exit(da903x_regulator_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+ "Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC");
+MODULE_ALIAS("platform:da903x-regulator");
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
deleted file mode 100644
index 770e694824ac5..0000000000000
--- a/drivers/regulator/da903x.c
+++ /dev/null
@@ -1,494 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Regulators driver for Dialog Semiconductor DA903x
-//
-// Copyright (C) 2006-2008 Marvell International Ltd.
-// Copyright (C) 2008 Compulab Ltd.
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/mfd/da903x.h>
-
-/* DA9030 Registers */
-#define DA9030_INVAL (-1)
-#define DA9030_LDO1011 (0x10)
-#define DA9030_LDO15 (0x11)
-#define DA9030_LDO1416 (0x12)
-#define DA9030_LDO1819 (0x13)
-#define DA9030_LDO17 (0x14)
-#define DA9030_BUCK2DVM1 (0x15)
-#define DA9030_BUCK2DVM2 (0x16)
-#define DA9030_RCTL11 (0x17)
-#define DA9030_RCTL21 (0x18)
-#define DA9030_LDO1 (0x90)
-#define DA9030_LDO23 (0x91)
-#define DA9030_LDO45 (0x92)
-#define DA9030_LDO6 (0x93)
-#define DA9030_LDO78 (0x94)
-#define DA9030_LDO912 (0x95)
-#define DA9030_BUCK (0x96)
-#define DA9030_RCTL12 (0x97)
-#define DA9030_RCTL22 (0x98)
-#define DA9030_LDO_UNLOCK (0xa0)
-#define DA9030_LDO_UNLOCK_MASK (0xe0)
-#define DA9034_OVER1 (0x10)
-
-/* DA9034 Registers */
-#define DA9034_INVAL (-1)
-#define DA9034_OVER2 (0x11)
-#define DA9034_OVER3 (0x12)
-#define DA9034_LDO643 (0x13)
-#define DA9034_LDO987 (0x14)
-#define DA9034_LDO1110 (0x15)
-#define DA9034_LDO1312 (0x16)
-#define DA9034_LDO1514 (0x17)
-#define DA9034_VCC1 (0x20)
-#define DA9034_ADTV1 (0x23)
-#define DA9034_ADTV2 (0x24)
-#define DA9034_AVRC (0x25)
-#define DA9034_CDTV1 (0x26)
-#define DA9034_CDTV2 (0x27)
-#define DA9034_CVRC (0x28)
-#define DA9034_SDTV1 (0x29)
-#define DA9034_SDTV2 (0x2a)
-#define DA9034_SVRC (0x2b)
-#define DA9034_MDTV1 (0x32)
-#define DA9034_MDTV2 (0x33)
-#define DA9034_MVRC (0x34)
-
-/* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */
-#define DA9035_OVER3 (0x12)
-#define DA9035_VCC2 (0x1f)
-#define DA9035_3DTV1 (0x2c)
-#define DA9035_3DTV2 (0x2d)
-#define DA9035_3VRC (0x2e)
-#define DA9035_AUTOSKIP (0x2f)
-
-struct da903x_regulator_info {
- struct regulator_desc desc;
-
- int max_uV;
- int vol_reg;
- int vol_shift;
- int vol_nbits;
- int update_reg;
- int update_bit;
- int enable_reg;
- int enable_bit;
-};
-
-static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
-{
- return rdev_get_dev(rdev)->parent->parent;
-}
-
-static inline int check_range(struct da903x_regulator_info *info,
- int min_uV, int max_uV)
-{
- if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
- return -EINVAL;
-
- return 0;
-}
-
-/* DA9030/DA9034 common operations */
-static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
-
- if (rdev->desc->n_voltages == 1)
- return -EINVAL;
-
- val = selector << info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
-
- return da903x_update(da9034_dev, info->vol_reg, val, mask);
-}
-
-static int da903x_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int ret;
-
- if (rdev->desc->n_voltages == 1)
- return 0;
-
- ret = da903x_read(da9034_dev, info->vol_reg, &val);
- if (ret)
- return ret;
-
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = (val & mask) >> info->vol_shift;
-
- return val;
-}
-
-static int da903x_enable(struct regulator_dev *rdev)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
-
- return da903x_set_bits(da9034_dev, info->enable_reg,
- 1 << info->enable_bit);
-}
-
-static int da903x_disable(struct regulator_dev *rdev)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
-
- return da903x_clr_bits(da9034_dev, info->enable_reg,
- 1 << info->enable_bit);
-}
-
-static int da903x_is_enabled(struct regulator_dev *rdev)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t reg_val;
- int ret;
-
- ret = da903x_read(da9034_dev, info->enable_reg, ®_val);
- if (ret)
- return ret;
-
- return !!(reg_val & (1 << info->enable_bit));
-}
-
-/* DA9030 specific operations */
-static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev,
- unsigned selector)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da903x_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int ret;
-
- val = selector << info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */
- mask |= DA9030_LDO_UNLOCK_MASK;
-
- /* write twice */
- ret = da903x_update(da903x_dev, info->vol_reg, val, mask);
- if (ret)
- return ret;
-
- return da903x_update(da903x_dev, info->vol_reg, val, mask);
-}
-
-static int da9030_map_ldo14_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- int thresh, sel;
-
- if (check_range(info, min_uV, max_uV)) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
-
- thresh = (info->max_uV + info->desc.min_uV) / 2;
- if (min_uV < thresh) {
- sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);
- sel |= 0x4;
- } else {
- sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);
- }
-
- return sel;
-}
-
-static int da9030_list_ldo14_voltage(struct regulator_dev *rdev,
- unsigned selector)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- int volt;
-
- if (selector & 0x4)
- volt = rdev->desc->min_uV +
- rdev->desc->uV_step * (3 - (selector & ~0x4));
- else
- volt = (info->max_uV + rdev->desc->min_uV) / 2 +
- rdev->desc->uV_step * (selector & ~0x4);
-
- if (volt > info->max_uV)
- return -EINVAL;
-
- return volt;
-}
-
-/* DA9034 specific operations */
-static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
- unsigned selector)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int ret;
-
- val = selector << info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
-
- ret = da903x_update(da9034_dev, info->vol_reg, val, mask);
- if (ret)
- return ret;
-
- ret = da903x_set_bits(da9034_dev, info->update_reg,
- 1 << info->update_bit);
- return ret;
-}
-
-static const struct linear_range da9034_ldo12_ranges[] = {
- REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000),
- REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000),
-};
-
-static const struct regulator_ops da903x_regulator_ldo_ops = {
- .set_voltage_sel = da903x_set_voltage_sel,
- .get_voltage_sel = da903x_get_voltage_sel,
- .list_voltage = regulator_list_voltage_linear,
- .map_voltage = regulator_map_voltage_linear,
- .enable = da903x_enable,
- .disable = da903x_disable,
- .is_enabled = da903x_is_enabled,
-};
-
-/* NOTE: this is dedicated for the insane DA9030 LDO14 */
-static const struct regulator_ops da9030_regulator_ldo14_ops = {
- .set_voltage_sel = da903x_set_voltage_sel,
- .get_voltage_sel = da903x_get_voltage_sel,
- .list_voltage = da9030_list_ldo14_voltage,
- .map_voltage = da9030_map_ldo14_voltage,
- .enable = da903x_enable,
- .disable = da903x_disable,
- .is_enabled = da903x_is_enabled,
-};
-
-/* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */
-static const struct regulator_ops da9030_regulator_ldo1_15_ops = {
- .set_voltage_sel = da9030_set_ldo1_15_voltage_sel,
- .get_voltage_sel = da903x_get_voltage_sel,
- .list_voltage = regulator_list_voltage_linear,
- .map_voltage = regulator_map_voltage_linear,
- .enable = da903x_enable,
- .disable = da903x_disable,
- .is_enabled = da903x_is_enabled,
-};
-
-static const struct regulator_ops da9034_regulator_dvc_ops = {
- .set_voltage_sel = da9034_set_dvc_voltage_sel,
- .get_voltage_sel = da903x_get_voltage_sel,
- .list_voltage = regulator_list_voltage_linear,
- .map_voltage = regulator_map_voltage_linear,
- .enable = da903x_enable,
- .disable = da903x_disable,
- .is_enabled = da903x_is_enabled,
-};
-
-/* NOTE: this is dedicated for the insane LDO12 */
-static const struct regulator_ops da9034_regulator_ldo12_ops = {
- .set_voltage_sel = da903x_set_voltage_sel,
- .get_voltage_sel = da903x_get_voltage_sel,
- .list_voltage = regulator_list_voltage_linear_range,
- .map_voltage = regulator_map_voltage_linear_range,
- .enable = da903x_enable,
- .disable = da903x_disable,
- .is_enabled = da903x_is_enabled,
-};
-
-#define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \
-{ \
- .desc = { \
- .name = "LDO" #_id, \
- .ops = &da903x_regulator_ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = _pmic##_ID_LDO##_id, \
- .n_voltages = (step) ? ((max - min) / step + 1) : 1, \
- .owner = THIS_MODULE, \
- .min_uV = (min) * 1000, \
- .uV_step = (step) * 1000, \
- }, \
- .max_uV = (max) * 1000, \
- .vol_reg = _pmic##_##vreg, \
- .vol_shift = (shift), \
- .vol_nbits = (nbits), \
- .enable_reg = _pmic##_##ereg, \
- .enable_bit = (ebit), \
-}
-
-#define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
-{ \
- .desc = { \
- .name = #_id, \
- .ops = &da9034_regulator_dvc_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = _pmic##_ID_##_id, \
- .n_voltages = (step) ? ((max - min) / step + 1) : 1, \
- .owner = THIS_MODULE, \
- .min_uV = (min) * 1000, \
- .uV_step = (step) * 1000, \
- }, \
- .max_uV = (max) * 1000, \
- .vol_reg = _pmic##_##vreg, \
- .vol_shift = (0), \
- .vol_nbits = (nbits), \
- .update_reg = _pmic##_##ureg, \
- .update_bit = (ubit), \
- .enable_reg = _pmic##_##ereg, \
- .enable_bit = (ebit), \
-}
-
-#define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
- DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
-
-#define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
- DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
-
-#define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
- DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \
- ereg, ebit)
-
-#define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
- DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \
- ereg, ebit)
-
-#define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
- DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \
- ereg, ebit)
-
-static struct da903x_regulator_info da903x_regulator_info[] = {
- /* DA9030 */
- DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0),
-
- DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1),
- DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2),
- DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3),
- DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4),
- DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5),
- DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6),
- DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7),
- DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0),
- DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1),
- DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2),
- DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3),
- DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4),
- DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4),
- DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5),
- DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6),
- DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7),
- DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2),
- DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1),
- DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */
-
- /* DA9034 */
- DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0),
- DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1),
- DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2),
- DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4),
-
- DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5),
- DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6),
- DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0),
- DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1),
- DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2),
- DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3),
- DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4),
- DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5),
- DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6),
- DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7),
- DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0),
- DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1),
- DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */
-
- /* DA9035 */
- DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3),
-};
-
-static inline struct da903x_regulator_info *find_regulator_info(int id)
-{
- struct da903x_regulator_info *ri;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) {
- ri = &da903x_regulator_info[i];
- if (ri->desc.id == id)
- return ri;
- }
- return NULL;
-}
-
-static int da903x_regulator_probe(struct platform_device *pdev)
-{
- struct da903x_regulator_info *ri = NULL;
- struct regulator_dev *rdev;
- struct regulator_config config = { };
-
- ri = find_regulator_info(pdev->id);
- if (ri == NULL) {
- dev_err(&pdev->dev, "invalid regulator ID specified\n");
- return -EINVAL;
- }
-
- /* Workaround for the weird LDO12 voltage setting */
- if (ri->desc.id == DA9034_ID_LDO12) {
- ri->desc.ops = &da9034_regulator_ldo12_ops;
- ri->desc.n_voltages = 16;
- ri->desc.linear_ranges = da9034_ldo12_ranges;
- ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges);
- }
-
- if (ri->desc.id == DA9030_ID_LDO14)
- ri->desc.ops = &da9030_regulator_ldo14_ops;
-
- if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)
- ri->desc.ops = &da9030_regulator_ldo1_15_ops;
-
- config.dev = &pdev->dev;
- config.init_data = dev_get_platdata(&pdev->dev);
- config.driver_data = ri;
-
- rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->dev, "failed to register regulator %s\n",
- ri->desc.name);
- return PTR_ERR(rdev);
- }
-
- platform_set_drvdata(pdev, rdev);
- return 0;
-}
-
-static struct platform_driver da903x_regulator_driver = {
- .driver = {
- .name = "da903x-regulator",
- },
- .probe = da903x_regulator_probe,
-};
-
-static int __init da903x_regulator_init(void)
-{
- return platform_driver_register(&da903x_regulator_driver);
-}
-subsys_initcall(da903x_regulator_init);
-
-static void __exit da903x_regulator_exit(void)
-{
- platform_driver_unregister(&da903x_regulator_driver);
-}
-module_exit(da903x_regulator_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
- "Mike Rapoport <mike@compulab.co.il>");
-MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC");
-MODULE_ALIAS("platform:da903x-regulator");