#define WM831X_DCDC_MODE_IDLE 2
#define WM831X_DCDC_MODE_STANDBY 3
-#define WM831X_DCDC_MAX_NAME 6
+#define WM831X_DCDC_MAX_NAME 9
/* Register offsets in control block */
#define WM831X_DCDC_CONTROL_1 0
struct wm831x_dcdc {
char name[WM831X_DCDC_MAX_NAME];
+ char supply_name[WM831X_DCDC_MAX_NAME];
struct regulator_desc desc;
int base;
struct wm831x *wm831x;
int dvs_vsel;
};
-static int wm831x_dcdc_is_enabled(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
- int reg;
-
- reg = wm831x_reg_read(wm831x, WM831X_DCDC_ENABLE);
- if (reg < 0)
- return reg;
-
- if (reg & mask)
- return 1;
- else
- return 0;
-}
-
-static int wm831x_dcdc_enable(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, mask);
-}
-
-static int wm831x_dcdc_disable(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, 0);
-}
-
static unsigned int wm831x_dcdc_get_mode(struct regulator_dev *rdev)
{
return -EINVAL;
}
-static int wm831x_buckv_select_min_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+static int wm831x_buckv_map_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
{
u16 vsel;
if (min_uV < 600000)
vsel = 0;
else if (min_uV <= 1800000)
- vsel = ((min_uV - 600000) / 12500) + 8;
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500) + 8;
else
return -EINVAL;
return vsel;
}
-static int wm831x_buckv_select_max_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- u16 vsel;
-
- if (max_uV < 600000 || max_uV > 1800000)
- return -EINVAL;
-
- vsel = ((max_uV - 600000) / 12500) + 8;
-
- if (wm831x_buckv_list_voltage(rdev, vsel) < min_uV ||
- wm831x_buckv_list_voltage(rdev, vsel) < max_uV)
- return -EINVAL;
-
- return vsel;
-}
-
static int wm831x_buckv_set_dvs(struct regulator_dev *rdev, int state)
{
struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
return 0;
}
-static int wm831x_buckv_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int wm831x_buckv_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned vsel)
{
struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
struct wm831x *wm831x = dcdc->wm831x;
int on_reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
int dvs_reg = dcdc->base + WM831X_DCDC_DVS_CONTROL;
- int vsel, ret;
-
- vsel = wm831x_buckv_select_min_voltage(rdev, min_uV, max_uV);
- if (vsel < 0)
- return vsel;
-
- *selector = vsel;
+ int ret;
/* If this value is already set then do a GPIO update if we can */
if (dcdc->dvs_gpio && dcdc->on_vsel == vsel)
if (ret < 0)
return ret;
- /* Set the high voltage as the DVS voltage. This is optimised
- * for CPUfreq usage, most processors will keep the maximum
- * voltage constant and lower the minimum with the frequency. */
- vsel = wm831x_buckv_select_max_voltage(rdev, min_uV, max_uV);
- if (vsel < 0) {
- /* This should never happen - at worst the same vsel
- * should be chosen */
- WARN_ON(vsel < 0);
- return 0;
+ /*
+ * If this VSEL is higher than the last one we've seen then
+ * remember it as the DVS VSEL. This is optimised for CPUfreq
+ * usage where we want to get to the highest voltage very
+ * quickly.
+ */
+ if (vsel > dcdc->dvs_vsel) {
+ ret = wm831x_set_bits(wm831x, dvs_reg,
+ WM831X_DC1_DVS_VSEL_MASK,
+ vsel);
+ if (ret == 0)
+ dcdc->dvs_vsel = vsel;
+ else
+ dev_warn(wm831x->dev,
+ "Failed to set DCDC DVS VSEL: %d\n", ret);
}
- /* Don't bother if it's the same VSEL we're already using */
- if (vsel == dcdc->on_vsel)
- return 0;
-
- ret = wm831x_set_bits(wm831x, dvs_reg, WM831X_DC1_DVS_VSEL_MASK, vsel);
- if (ret == 0)
- dcdc->dvs_vsel = vsel;
- else
- dev_warn(wm831x->dev, "Failed to set DCDC DVS VSEL: %d\n",
- ret);
-
return 0;
}
u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL;
int vsel;
- vsel = wm831x_buckv_select_min_voltage(rdev, uV, uV);
+ vsel = wm831x_buckv_map_voltage(rdev, uV, uV);
if (vsel < 0)
return vsel;
u16 reg = dcdc->base + WM831X_DCDC_CONTROL_2;
int i;
- for (i = 0; i < ARRAY_SIZE(wm831x_dcdc_ilim); i++) {
- if (max_uA <= wm831x_dcdc_ilim[i])
- break;
+ for (i = ARRAY_SIZE(wm831x_dcdc_ilim) - 1; i >= 0; i--) {
+ if ((min_uA <= wm831x_dcdc_ilim[i]) &&
+ (wm831x_dcdc_ilim[i] <= max_uA))
+ return wm831x_set_bits(wm831x, reg,
+ WM831X_DC1_HC_THR_MASK,
+ i << WM831X_DC1_HC_THR_SHIFT);
}
- if (i == ARRAY_SIZE(wm831x_dcdc_ilim))
- return -EINVAL;
- return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, i);
+ return -EINVAL;
}
static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev)
if (val < 0)
return val;
- return wm831x_dcdc_ilim[val & WM831X_DC1_HC_THR_MASK];
+ val = (val & WM831X_DC1_HC_THR_MASK) >> WM831X_DC1_HC_THR_SHIFT;
+ return wm831x_dcdc_ilim[val];
}
static struct regulator_ops wm831x_buckv_ops = {
- .set_voltage = wm831x_buckv_set_voltage,
+ .set_voltage_sel = wm831x_buckv_set_voltage_sel,
.get_voltage_sel = wm831x_buckv_get_voltage_sel,
.list_voltage = wm831x_buckv_list_voltage,
+ .map_voltage = wm831x_buckv_map_voltage,
.set_suspend_voltage = wm831x_buckv_set_suspend_voltage,
.set_current_limit = wm831x_buckv_set_current_limit,
.get_current_limit = wm831x_buckv_get_current_limit,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
.get_mode = wm831x_dcdc_get_mode,
.set_mode = wm831x_dcdc_set_mode,
* Set up DVS control. We just log errors since we can still run
* (with reduced performance) if we fail.
*/
-static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
+static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
struct wm831x_buckv_pdata *pdata)
{
struct wm831x *wm831x = dcdc->wm831x;
if (!pdata || !pdata->dvs_gpio)
return;
+ /* gpiolib won't let us read the GPIO status so pick the higher
+ * of the two existing voltages so we take it as platform data.
+ */
+ dcdc->dvs_gpio_state = pdata->dvs_init_state;
+
+ ret = gpio_request_one(pdata->dvs_gpio,
+ dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0,
+ "DCDC DVS");
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
+ dcdc->name, ret);
+ return;
+ }
+
+ dcdc->dvs_gpio = pdata->dvs_gpio;
+
switch (pdata->dvs_control_src) {
case 1:
ctrl = 2 << WM831X_DC1_DVS_SRC_SHIFT;
return;
}
+ /* If DVS_VSEL is set to the minimum value then raise it to ON_VSEL
+ * to make bootstrapping a bit smoother.
+ */
+ if (!dcdc->dvs_vsel) {
+ ret = wm831x_set_bits(wm831x,
+ dcdc->base + WM831X_DCDC_DVS_CONTROL,
+ WM831X_DC1_DVS_VSEL_MASK, dcdc->on_vsel);
+ if (ret == 0)
+ dcdc->dvs_vsel = dcdc->on_vsel;
+ else
+ dev_warn(wm831x->dev, "Failed to set DVS_VSEL: %d\n",
+ ret);
+ }
+
ret = wm831x_set_bits(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL,
WM831X_DC1_DVS_SRC_MASK, ctrl);
if (ret < 0) {
dev_err(wm831x->dev, "Failed to set %s DVS source: %d\n",
dcdc->name, ret);
- return;
}
-
- ret = gpio_request(pdata->dvs_gpio, "DCDC DVS");
- if (ret < 0) {
- dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
- dcdc->name, ret);
- return;
- }
-
- /* gpiolib won't let us read the GPIO status so pick the higher
- * of the two existing voltages so we take it as platform data.
- */
- dcdc->dvs_gpio_state = pdata->dvs_init_state;
-
- ret = gpio_direction_output(pdata->dvs_gpio, dcdc->dvs_gpio_state);
- if (ret < 0) {
- dev_err(wm831x->dev, "Failed to enable %s DVS GPIO: %d\n",
- dcdc->name, ret);
- gpio_free(pdata->dvs_gpio);
- return;
- }
-
- dcdc->dvs_gpio = pdata->dvs_gpio;
}
-static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
+static int wm831x_buckv_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ struct regulator_config config = { };
+ int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
int ret, irq;
- dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
- if (pdata == NULL || pdata->dcdc[id] == NULL)
- return -ENODEV;
+ dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc),
+ GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
dcdc->desc.name = dcdc->name;
+
+ snprintf(dcdc->supply_name, sizeof(dcdc->supply_name),
+ "DC%dVDD", id + 1);
+ dcdc->desc.supply_name = dcdc->supply_name;
+
dcdc->desc.id = id;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.n_voltages = WM831X_BUCKV_MAX_SELECTOR + 1;
dcdc->desc.ops = &wm831x_buckv_ops;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG);
if (ret < 0) {
}
dcdc->on_vsel = ret & WM831X_DC1_ON_VSEL_MASK;
- ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG);
+ ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL);
if (ret < 0) {
dev_err(wm831x->dev, "Failed to read DVS VSEL: %d\n", ret);
goto err;
}
dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK;
- if (pdata->dcdc[id])
+ if (pdata && pdata->dcdc[id])
wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data);
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc);
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
goto err;
}
- irq = platform_get_irq_byname(pdev, "UV");
+ irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
goto err_regulator;
}
- irq = platform_get_irq_byname(pdev, "HC");
+ irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC"));
ret = request_threaded_irq(irq, NULL, wm831x_dcdc_oc_irq,
IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
return 0;
err_uv:
- free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")),
+ dcdc);
err_regulator:
regulator_unregister(dcdc->regulator);
err:
if (dcdc->dvs_gpio)
gpio_free(dcdc->dvs_gpio);
- kfree(dcdc);
return ret;
}
-static __devexit int wm831x_buckv_remove(struct platform_device *pdev)
+static int wm831x_buckv_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = dcdc->wm831x;
platform_set_drvdata(pdev, NULL);
- free_irq(platform_get_irq_byname(pdev, "HC"), dcdc);
- free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")),
+ dcdc);
+ free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")),
+ dcdc);
regulator_unregister(dcdc->regulator);
if (dcdc->dvs_gpio)
gpio_free(dcdc->dvs_gpio);
- kfree(dcdc);
return 0;
}
static struct platform_driver wm831x_buckv_driver = {
.probe = wm831x_buckv_probe,
- .remove = __devexit_p(wm831x_buckv_remove),
+ .remove = wm831x_buckv_remove,
.driver = {
.name = "wm831x-buckv",
.owner = THIS_MODULE,
* BUCKP specifics
*/
-static int wm831x_buckp_list_voltage(struct regulator_dev *rdev,
- unsigned selector)
-{
- if (selector <= WM831X_BUCKP_MAX_SELECTOR)
- return 850000 + (selector * 25000);
- else
- return -EINVAL;
-}
-
-static int wm831x_buckp_set_voltage_int(struct regulator_dev *rdev, int reg,
- int min_uV, int max_uV, int *selector)
+static int wm831x_buckp_set_suspend_voltage(struct regulator_dev *rdev, int uV)
{
struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
struct wm831x *wm831x = dcdc->wm831x;
- u16 vsel;
-
- if (min_uV <= 34000000)
- vsel = (min_uV - 850000) / 25000;
- else
- return -EINVAL;
-
- if (wm831x_buckp_list_voltage(rdev, vsel) > max_uV)
- return -EINVAL;
-
- *selector = vsel;
-
- return wm831x_set_bits(wm831x, reg, WM831X_DC3_ON_VSEL_MASK, vsel);
-}
-
-static int wm831x_buckp_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
-
- return wm831x_buckp_set_voltage_int(rdev, reg, min_uV, max_uV,
- selector);
-}
-
-static int wm831x_buckp_set_suspend_voltage(struct regulator_dev *rdev,
- int uV)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL;
- unsigned selector;
+ int sel;
- return wm831x_buckp_set_voltage_int(rdev, reg, uV, uV, &selector);
-}
+ sel = regulator_map_voltage_linear(rdev, uV, uV);
+ if (sel < 0)
+ return sel;
-static int wm831x_buckp_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
- int val;
-
- val = wm831x_reg_read(wm831x, reg);
- if (val < 0)
- return val;
-
- return val & WM831X_DC3_ON_VSEL_MASK;
+ return wm831x_set_bits(wm831x, reg, WM831X_DC3_ON_VSEL_MASK, sel);
}
static struct regulator_ops wm831x_buckp_ops = {
- .set_voltage = wm831x_buckp_set_voltage,
- .get_voltage_sel = wm831x_buckp_get_voltage_sel,
- .list_voltage = wm831x_buckp_list_voltage,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
.set_suspend_voltage = wm831x_buckp_set_suspend_voltage,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
.get_mode = wm831x_dcdc_get_mode,
.set_mode = wm831x_dcdc_set_mode,
.set_suspend_mode = wm831x_dcdc_set_suspend_mode,
};
-static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
+static int wm831x_buckp_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ struct regulator_config config = { };
+ int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
int ret, irq;
- dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
- if (pdata == NULL || pdata->dcdc[id] == NULL)
- return -ENODEV;
+ dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc),
+ GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
dcdc->desc.name = dcdc->name;
+
+ snprintf(dcdc->supply_name, sizeof(dcdc->supply_name),
+ "DC%dVDD", id + 1);
+ dcdc->desc.supply_name = dcdc->supply_name;
+
dcdc->desc.id = id;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.n_voltages = WM831X_BUCKP_MAX_SELECTOR + 1;
dcdc->desc.ops = &wm831x_buckp_ops;
dcdc->desc.owner = THIS_MODULE;
-
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc);
+ dcdc->desc.vsel_reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+ dcdc->desc.vsel_mask = WM831X_DC3_ON_VSEL_MASK;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
+ dcdc->desc.min_uV = 850000;
+ dcdc->desc.uV_step = 25000;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
goto err;
}
- irq = platform_get_irq_byname(pdev, "UV");
+ irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
IRQF_TRIGGER_RISING, dcdc->name, dcdc);
if (ret != 0) {
err_regulator:
regulator_unregister(dcdc->regulator);
err:
- kfree(dcdc);
return ret;
}
-static __devexit int wm831x_buckp_remove(struct platform_device *pdev)
+static int wm831x_buckp_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
- free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")),
+ dcdc);
regulator_unregister(dcdc->regulator);
- kfree(dcdc);
return 0;
}
static struct platform_driver wm831x_buckp_driver = {
.probe = wm831x_buckp_probe,
- .remove = __devexit_p(wm831x_buckp_remove),
+ .remove = wm831x_buckp_remove,
.driver = {
.name = "wm831x-buckp",
.owner = THIS_MODULE,
static struct regulator_ops wm831x_boostp_ops = {
.get_status = wm831x_boostp_get_status,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
-static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
+static int wm831x_boostp_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 = pdev->id % ARRAY_SIZE(pdata->dcdc);
struct wm831x_dcdc *dcdc;
struct resource *res;
if (pdata == NULL || pdata->dcdc[id] == NULL)
return -ENODEV;
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
dcdc->wm831x = wm831x;
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
- dev_err(&pdev->dev, "No I/O resource\n");
+ dev_err(&pdev->dev, "No REG resource\n");
ret = -EINVAL;
goto err;
}
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.ops = &wm831x_boostp_ops;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc);
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
goto err;
}
- irq = platform_get_irq_byname(pdev, "UV");
+ irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
IRQF_TRIGGER_RISING, dcdc->name,
dcdc);
err_regulator:
regulator_unregister(dcdc->regulator);
err:
- kfree(dcdc);
return ret;
}
-static __devexit int wm831x_boostp_remove(struct platform_device *pdev)
+static int wm831x_boostp_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
- free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
+ free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")),
+ dcdc);
regulator_unregister(dcdc->regulator);
- kfree(dcdc);
return 0;
}
static struct platform_driver wm831x_boostp_driver = {
.probe = wm831x_boostp_probe,
- .remove = __devexit_p(wm831x_boostp_remove),
+ .remove = wm831x_boostp_remove,
.driver = {
.name = "wm831x-boostp",
.owner = THIS_MODULE,
#define WM831X_EPE_BASE 6
static struct regulator_ops wm831x_epe_ops = {
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
};
-static __devinit int wm831x_epe_probe(struct platform_device *pdev)
+static int wm831x_epe_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 = pdev->id % ARRAY_SIZE(pdata->epe);
struct wm831x_dcdc *dcdc;
int ret;
dev_dbg(&pdev->dev, "Probing EPE%d\n", id + 1);
- if (pdata == NULL || pdata->epe[id] == NULL)
- return -ENODEV;
-
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
dcdc->desc.ops = &wm831x_epe_ops;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << dcdc->desc.id;
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->epe[id], dcdc);
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->epe[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register EPE%d: %d\n",
return 0;
err:
- kfree(dcdc);
return ret;
}
-static __devexit int wm831x_epe_remove(struct platform_device *pdev)
+static int wm831x_epe_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
-
regulator_unregister(dcdc->regulator);
- kfree(dcdc);
return 0;
}
static struct platform_driver wm831x_epe_driver = {
.probe = wm831x_epe_probe,
- .remove = __devexit_p(wm831x_epe_remove),
+ .remove = wm831x_epe_remove,
.driver = {
.name = "wm831x-epe",
.owner = THIS_MODULE,
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:wm831x-buckv");
MODULE_ALIAS("platform:wm831x-buckp");
+MODULE_ALIAS("platform:wm831x-boostp");
+MODULE_ALIAS("platform:wm831x-epe");
projects / firefly-linux-kernel-4.4.55.git / blobdiff