#include <linux/module.h>
#include <linux/init.h>
+#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/platform_device.h>
struct regulator_dev *rdev;
};
-static struct regulator_ops tps65090_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
+static struct regulator_ops tps65090_ext_control_ops = {
+};
+
+static struct regulator_ops tps65090_reg_contol_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static struct regulator_ops tps65090_ldo_ops = {
};
#define tps65090_REG_DESC(_id, _sname, _en_reg, _ops) \
{ \
.name = "TPS65090_RAILS"#_id, \
.supply_name = _sname, \
- .id = TPS65090_ID_##_id, \
+ .id = TPS65090_REGULATOR_##_id, \
.ops = &_ops, \
.enable_reg = _en_reg, \
.enable_mask = BIT(0), \
}
static struct regulator_desc tps65090_regulator_desc[] = {
- tps65090_REG_DESC(DCDC1, "vsys1", 0x0C, tps65090_ops),
- tps65090_REG_DESC(DCDC2, "vsys2", 0x0D, tps65090_ops),
- tps65090_REG_DESC(DCDC3, "vsys3", 0x0E, tps65090_ops),
- tps65090_REG_DESC(FET1, "infet1", 0x0F, tps65090_ops),
- tps65090_REG_DESC(FET2, "infet2", 0x10, tps65090_ops),
- tps65090_REG_DESC(FET3, "infet3", 0x11, tps65090_ops),
- tps65090_REG_DESC(FET4, "infet4", 0x12, tps65090_ops),
- tps65090_REG_DESC(FET5, "infet5", 0x13, tps65090_ops),
- tps65090_REG_DESC(FET6, "infet6", 0x14, tps65090_ops),
- tps65090_REG_DESC(FET7, "infet7", 0x15, tps65090_ops),
+ tps65090_REG_DESC(DCDC1, "vsys1", 0x0C, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(DCDC2, "vsys2", 0x0D, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(DCDC3, "vsys3", 0x0E, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET1, "infet1", 0x0F, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET2, "infet2", 0x10, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET3, "infet3", 0x11, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET4, "infet4", 0x12, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET5, "infet5", 0x13, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET6, "infet6", 0x14, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(FET7, "infet7", 0x15, tps65090_reg_contol_ops),
+ tps65090_REG_DESC(LDO1, "vsys_l1", 0, tps65090_ldo_ops),
+ tps65090_REG_DESC(LDO2, "vsys_l2", 0, tps65090_ldo_ops),
};
static inline bool is_dcdc(int id)
{
switch (id) {
- case TPS65090_ID_DCDC1:
- case TPS65090_ID_DCDC2:
- case TPS65090_ID_DCDC3:
+ case TPS65090_REGULATOR_DCDC1:
+ case TPS65090_REGULATOR_DCDC2:
+ case TPS65090_REGULATOR_DCDC3:
return true;
default:
return false;
}
}
-static int __devinit tps65090_config_ext_control(
+static int tps65090_config_ext_control(
struct tps65090_regulator *ri, bool enable)
{
int ret;
return ret;
}
-static int __devinit tps65090_regulator_disable_ext_control(
+static int tps65090_regulator_disable_ext_control(
struct tps65090_regulator *ri,
struct tps65090_regulator_plat_data *tps_pdata)
{
return tps65090_config_ext_control(ri, false);
}
-static int __devinit tps65090_regulator_probe(struct platform_device *pdev)
+static void tps65090_configure_regulator_config(
+ struct tps65090_regulator_plat_data *tps_pdata,
+ struct regulator_config *config)
+{
+ if (gpio_is_valid(tps_pdata->gpio)) {
+ int gpio_flag = GPIOF_OUT_INIT_LOW;
+
+ if (tps_pdata->reg_init_data->constraints.always_on ||
+ tps_pdata->reg_init_data->constraints.boot_on)
+ gpio_flag = GPIOF_OUT_INIT_HIGH;
+
+ config->ena_gpio = tps_pdata->gpio;
+ config->ena_gpio_flags = gpio_flag;
+ }
+}
+
+static int tps65090_regulator_probe(struct platform_device *pdev)
{
struct tps65090 *tps65090_mfd = dev_get_drvdata(pdev->dev.parent);
struct tps65090_regulator *ri = NULL;
return -EINVAL;
}
- pmic = devm_kzalloc(&pdev->dev, TPS65090_ID_MAX * sizeof(*pmic),
+ pmic = devm_kzalloc(&pdev->dev, TPS65090_REGULATOR_MAX * sizeof(*pmic),
GFP_KERNEL);
if (!pmic) {
dev_err(&pdev->dev, "mem alloc for pmic failed\n");
return -ENOMEM;
}
- for (num = 0; num < TPS65090_ID_MAX; num++) {
+ for (num = 0; num < TPS65090_REGULATOR_MAX; num++) {
tps_pdata = tps65090_pdata->reg_pdata[num];
ri = &pmic[num];
/*
* TPS5090 DCDC support the control from external digital input.
- * It may be possible that during boot, the external control is
- * enabled. Disabling external control for DCDC.
+ * Configure it as per platform data.
*/
if (tps_pdata && is_dcdc(num) && tps_pdata->reg_init_data) {
- ret = tps65090_regulator_disable_ext_control(
+ if (tps_pdata->enable_ext_control) {
+ tps65090_configure_regulator_config(
+ tps_pdata, &config);
+ ri->desc->ops = &tps65090_ext_control_ops;
+ } else {
+ ret = tps65090_regulator_disable_ext_control(
ri, tps_pdata);
- if (ret < 0) {
- dev_err(&pdev->dev,
+ if (ret < 0) {
+ dev_err(&pdev->dev,
"failed disable ext control\n");
- goto scrub;
+ goto scrub;
+ }
}
}
+
config.dev = &pdev->dev;
config.driver_data = ri;
config.regmap = tps65090_mfd->rmap;
goto scrub;
}
ri->rdev = rdev;
+
+ /* Enable external control if it is require */
+ if (tps_pdata && is_dcdc(num) && tps_pdata->reg_init_data &&
+ tps_pdata->enable_ext_control) {
+ ret = tps65090_config_ext_control(ri, true);
+ if (ret < 0) {
+ /* Increment num to get unregister rdev */
+ num++;
+ goto scrub;
+ }
+ }
}
platform_set_drvdata(pdev, pmic);
return ret;
}
-static int __devexit tps65090_regulator_remove(struct platform_device *pdev)
+static int tps65090_regulator_remove(struct platform_device *pdev)
{
struct tps65090_regulator *pmic = platform_get_drvdata(pdev);
struct tps65090_regulator *ri;
int num;
- for (num = 0; num < TPS65090_ID_MAX; ++num) {
+ for (num = 0; num < TPS65090_REGULATOR_MAX; ++num) {
ri = &pmic[num];
regulator_unregister(ri->rdev);
}
static struct platform_driver tps65090_regulator_driver = {
.driver = {
- .name = "tps65090-regulator",
+ .name = "tps65090-pmic",
.owner = THIS_MODULE,
},
.probe = tps65090_regulator_probe,
- .remove = __devexit_p(tps65090_regulator_remove),
+ .remove = tps65090_regulator_remove,
};
static int __init tps65090_regulator_init(void)
MODULE_DESCRIPTION("tps65090 regulator driver");
MODULE_AUTHOR("Venu Byravarasu <vbyravarasu@nvidia.com>");
MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps65090-pmic");
projects / karo-tx-linux.git / blobdiff