#include <linux/mfd/wm831x/regulator.h>
#include <linux/mfd/wm831x/pdata.h>
-#define WM831X_LDO_MAX_NAME 6
+#define WM831X_LDO_MAX_NAME 9
#define WM831X_LDO_CONTROL 0
#define WM831X_LDO_ON_CONTROL 1
struct wm831x_ldo {
char name[WM831X_LDO_MAX_NAME];
+ char supply_name[WM831X_LDO_MAX_NAME];
struct regulator_desc desc;
int base;
struct wm831x *wm831x;
* Shared
*/
-static int wm831x_ldo_is_enabled(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
- int reg;
-
- reg = wm831x_reg_read(wm831x, WM831X_LDO_ENABLE);
- if (reg < 0)
- return reg;
-
- if (reg & mask)
- return 1;
- else
- return 0;
-}
-
-static int wm831x_ldo_enable(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, mask);
-}
-
-static int wm831x_ldo_disable(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, 0);
-}
-
static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
{
struct wm831x_ldo *ldo = data;
/* 0.9-1.6V in 50mV steps */
if (selector <= WM831X_GP_LDO_SELECTOR_LOW)
return 900000 + (selector * 50000);
- /* 1.7-3.3V in 50mV steps */
+ /* 1.7-3.3V in 100mV steps */
if (selector <= WM831X_GP_LDO_MAX_SELECTOR)
return 1600000 + ((selector - WM831X_GP_LDO_SELECTOR_LOW)
* 100000);
return wm831x_gp_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_gp_ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO1_ON_VSEL_MASK;
-
- return ret;
-}
-
static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
static struct regulator_ops wm831x_gp_ldo_ops = {
.list_voltage = wm831x_gp_ldo_list_voltage,
- .get_voltage_sel = wm831x_gp_ldo_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_gp_ldo_set_voltage,
.set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
.get_mode = wm831x_gp_ldo_get_mode,
.get_status = wm831x_gp_ldo_get_status,
.get_optimum_mode = wm831x_gp_ldo_get_optimum_mode,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_GP_LDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_gp_ldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO1_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
/* 1-1.6V in 50mV steps */
if (selector <= WM831X_ALDO_SELECTOR_LOW)
return 1000000 + (selector * 50000);
- /* 1.7-3.5V in 50mV steps */
+ /* 1.7-3.5V in 100mV steps */
if (selector <= WM831X_ALDO_MAX_SELECTOR)
return 1600000 + ((selector - WM831X_ALDO_SELECTOR_LOW)
* 100000);
return wm831x_aldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_aldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO7_ON_VSEL_MASK;
-
- return ret;
-}
-
static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
static struct regulator_ops wm831x_aldo_ops = {
.list_voltage = wm831x_aldo_list_voltage,
- .get_voltage_sel = wm831x_aldo_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_aldo_set_voltage,
.set_suspend_voltage = wm831x_aldo_set_suspend_voltage,
.get_mode = wm831x_aldo_get_mode,
.set_mode = wm831x_aldo_set_mode,
.get_status = wm831x_aldo_get_status,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_ALDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_aldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO7_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
#define WM831X_ALIVE_LDO_MAX_SELECTOR 0xf
-static int wm831x_alive_ldo_list_voltage(struct regulator_dev *rdev,
- unsigned int selector)
-{
- /* 0.8-1.55V in 50mV steps */
- if (selector <= WM831X_ALIVE_LDO_MAX_SELECTOR)
- return 800000 + (selector * 50000);
- return -EINVAL;
-}
-
static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev,
int reg,
int min_uV, int max_uV,
vsel = (min_uV - 800000) / 50000;
- ret = wm831x_alive_ldo_list_voltage(rdev, vsel);
+ ret = regulator_list_voltage_linear(rdev, vsel);
if (ret < 0)
return ret;
if (ret < min_uV || ret > max_uV)
return wm831x_alive_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_alive_ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO11_ON_VSEL_MASK;
-
- return ret;
-}
-
static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
}
static struct regulator_ops wm831x_alive_ldo_ops = {
- .list_voltage = wm831x_alive_ldo_list_voltage,
- .get_voltage_sel = wm831x_alive_ldo_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_alive_ldo_set_voltage,
.set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage,
.get_status = wm831x_alive_ldo_get_status,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_ALIVE_LDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_alive_ldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO11_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+ ldo->desc.min_uV = 800000;
+ ldo->desc.uV_step = 50000;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",