// SPDX-License-Identifier: GPL-2.0+
-//
-// Copyright (c) 2012 Samsung Electronics Co., Ltd
-// http://www.samsung.com
+/*
+ * Copyright 2012 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ * Copyright 2025 Linaro Ltd.
+ *
+ * Samsung SxM core driver
+ */
#include <linux/device.h>
#include <linux/err.h>
-#include <linux/i2c.h>
+#include <linux/export.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/irq.h>
-#include <linux/mfd/samsung/s2mpa01.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps13.h>
-#include <linux/mfd/samsung/s2mps14.h>
-#include <linux/mfd/samsung/s2mps15.h>
-#include <linux/mfd/samsung/s2mpu02.h>
-#include <linux/mfd/samsung/s5m8767.h>
-#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/pm.h>
{ .name = "s2mps15-rtc", },
};
-static const struct of_device_id sec_dt_match[] = {
- {
- .compatible = "samsung,s5m8767-pmic",
- .data = (void *)S5M8767X,
- }, {
- .compatible = "samsung,s2dos05",
- .data = (void *)S2DOS05,
- }, {
- .compatible = "samsung,s2mps11-pmic",
- .data = (void *)S2MPS11X,
- }, {
- .compatible = "samsung,s2mps13-pmic",
- .data = (void *)S2MPS13X,
- }, {
- .compatible = "samsung,s2mps14-pmic",
- .data = (void *)S2MPS14X,
- }, {
- .compatible = "samsung,s2mps15-pmic",
- .data = (void *)S2MPS15X,
- }, {
- .compatible = "samsung,s2mpa01-pmic",
- .data = (void *)S2MPA01,
- }, {
- .compatible = "samsung,s2mpu02-pmic",
- .data = (void *)S2MPU02,
- }, {
- .compatible = "samsung,s2mpu05-pmic",
- .data = (void *)S2MPU05,
- }, {
- /* Sentinel */
- },
-};
-MODULE_DEVICE_TABLE(of, sec_dt_match);
-
-static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S2MPA01_REG_INT1M:
- case S2MPA01_REG_INT2M:
- case S2MPA01_REG_INT3M:
- return false;
- default:
- return true;
- }
-}
-
-static bool s2mps11_volatile(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S2MPS11_REG_INT1M:
- case S2MPS11_REG_INT2M:
- case S2MPS11_REG_INT3M:
- return false;
- default:
- return true;
- }
-}
-
-static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S2MPU02_REG_INT1M:
- case S2MPU02_REG_INT2M:
- case S2MPU02_REG_INT3M:
- return false;
- default:
- return true;
- }
-}
-
-static const struct regmap_config sec_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-};
-
-static const struct regmap_config s2mpa01_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPA01_REG_LDO_OVCB4,
- .volatile_reg = s2mpa01_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s2mps11_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPS11_REG_L38CTRL,
- .volatile_reg = s2mps11_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s2mps13_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPS13_REG_LDODSCH5,
- .volatile_reg = s2mps11_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s2mps14_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPS14_REG_LDODSCH3,
- .volatile_reg = s2mps11_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s2mps15_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPS15_REG_LDODSCH4,
- .volatile_reg = s2mps11_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s2mpu02_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S2MPU02_REG_DVSDATA,
- .volatile_reg = s2mpu02_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
-static const struct regmap_config s5m8767_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = S5M8767_REG_LDO28CTRL,
- .volatile_reg = s2mps11_volatile,
- .cache_type = REGCACHE_FLAT,
-};
-
static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic)
{
unsigned int val;
* platform data.
*/
static struct sec_platform_data *
-sec_pmic_i2c_parse_dt_pdata(struct device *dev)
+sec_pmic_parse_dt_pdata(struct device *dev)
{
struct sec_platform_data *pd;
return pd;
}
-static int sec_pmic_probe(struct i2c_client *i2c)
+int sec_pmic_probe(struct device *dev, unsigned long device_type,
+ unsigned int irq, struct regmap *regmap,
+ struct i2c_client *client)
{
- const struct regmap_config *regmap;
struct sec_platform_data *pdata;
const struct mfd_cell *sec_devs;
struct sec_pmic_dev *sec_pmic;
int ret, num_sec_devs;
- sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
- GFP_KERNEL);
+ sec_pmic = devm_kzalloc(dev, sizeof(struct sec_pmic_dev), GFP_KERNEL);
if (sec_pmic == NULL)
return -ENOMEM;
- i2c_set_clientdata(i2c, sec_pmic);
- sec_pmic->dev = &i2c->dev;
- sec_pmic->i2c = i2c;
- sec_pmic->irq = i2c->irq;
+ dev_set_drvdata(dev, sec_pmic);
+ sec_pmic->dev = dev;
+ sec_pmic->device_type = device_type;
+ sec_pmic->i2c = client;
+ sec_pmic->irq = irq;
+ sec_pmic->regmap_pmic = regmap;
- pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
+ pdata = sec_pmic_parse_dt_pdata(sec_pmic->dev);
if (IS_ERR(pdata)) {
ret = PTR_ERR(pdata);
return ret;
}
- sec_pmic->device_type = (unsigned long)of_device_get_match_data(sec_pmic->dev);
sec_pmic->pdata = pdata;
- switch (sec_pmic->device_type) {
- case S2MPA01:
- regmap = &s2mpa01_regmap_config;
- break;
- case S2MPS11X:
- regmap = &s2mps11_regmap_config;
- break;
- case S2MPS13X:
- regmap = &s2mps13_regmap_config;
- break;
- case S2MPS14X:
- regmap = &s2mps14_regmap_config;
- break;
- case S2MPS15X:
- regmap = &s2mps15_regmap_config;
- break;
- case S5M8767X:
- regmap = &s5m8767_regmap_config;
- break;
- case S2MPU02:
- regmap = &s2mpu02_regmap_config;
- break;
- default:
- regmap = &sec_regmap_config;
- break;
- }
-
- sec_pmic->regmap_pmic = devm_regmap_init_i2c(i2c, regmap);
- if (IS_ERR(sec_pmic->regmap_pmic)) {
- ret = PTR_ERR(sec_pmic->regmap_pmic);
- dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
- ret);
- return ret;
- }
-
sec_irq_init(sec_pmic);
pm_runtime_set_active(sec_pmic->dev);
num_sec_devs = ARRAY_SIZE(s2mpu05_devs);
break;
default:
- dev_err(&i2c->dev, "Unsupported device type (%lu)\n",
+ dev_err(sec_pmic->dev, "Unsupported device type %lu\n",
sec_pmic->device_type);
- return -ENODEV;
+ return -EINVAL;
}
ret = devm_mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs,
NULL, 0, NULL);
return ret;
}
+EXPORT_SYMBOL_GPL(sec_pmic_probe);
-static void sec_pmic_shutdown(struct i2c_client *i2c)
+void sec_pmic_shutdown(struct device *dev)
{
- struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
+ struct sec_pmic_dev *sec_pmic = dev_get_drvdata(dev);
unsigned int reg, mask;
if (!sec_pmic->pdata->manual_poweroff)
regmap_update_bits(sec_pmic->regmap_pmic, reg, mask, 0);
}
+EXPORT_SYMBOL_GPL(sec_pmic_shutdown);
static int sec_pmic_suspend(struct device *dev)
{
- struct i2c_client *i2c = to_i2c_client(dev);
- struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
+ struct sec_pmic_dev *sec_pmic = dev_get_drvdata(dev);
if (device_may_wakeup(dev))
enable_irq_wake(sec_pmic->irq);
static int sec_pmic_resume(struct device *dev)
{
- struct i2c_client *i2c = to_i2c_client(dev);
- struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
+ struct sec_pmic_dev *sec_pmic = dev_get_drvdata(dev);
if (device_may_wakeup(dev))
disable_irq_wake(sec_pmic->irq);
return 0;
}
-static DEFINE_SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops,
- sec_pmic_suspend, sec_pmic_resume);
-
-static struct i2c_driver sec_pmic_driver = {
- .driver = {
- .name = "sec_pmic",
- .pm = pm_sleep_ptr(&sec_pmic_pm_ops),
- .of_match_table = sec_dt_match,
- },
- .probe = sec_pmic_probe,
- .shutdown = sec_pmic_shutdown,
-};
-module_i2c_driver(sec_pmic_driver);
+DEFINE_SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume);
+EXPORT_SYMBOL_GPL(sec_pmic_pm_ops);
MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
-MODULE_DESCRIPTION("Core support for the S5M MFD");
+MODULE_DESCRIPTION("Core driver for the Samsung S5M");
MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2012 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ * Copyright 2025 Linaro Ltd.
+ *
+ * Samsung SxM I2C driver
+ */
+
+#include <linux/dev_printk.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mfd/samsung/core.h>
+#include <linux/mfd/samsung/s2mpa01.h>
+#include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps13.h>
+#include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mps15.h>
+#include <linux/mfd/samsung/s2mpu02.h>
+#include <linux/mfd/samsung/s5m8767.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+#include "sec-core.h"
+
+static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPA01_REG_INT1M:
+ case S2MPA01_REG_INT2M:
+ case S2MPA01_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool s2mps11_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPS11_REG_INT1M:
+ case S2MPS11_REG_INT2M:
+ case S2MPS11_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPU02_REG_INT1M:
+ case S2MPU02_REG_INT2M:
+ case S2MPU02_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static const struct regmap_config sec_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static const struct regmap_config s2mpa01_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPA01_REG_LDO_OVCB4,
+ .volatile_reg = s2mpa01_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps11_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS11_REG_L38CTRL,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps13_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS13_REG_LDODSCH5,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps14_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS14_REG_LDODSCH3,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mps15_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS15_REG_LDODSCH4,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s2mpu02_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPU02_REG_DVSDATA,
+ .volatile_reg = s2mpu02_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config s5m8767_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S5M8767_REG_LDO28CTRL,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static int sec_pmic_i2c_probe(struct i2c_client *client)
+{
+ const struct regmap_config *regmap;
+ unsigned long device_type;
+ struct regmap *regmap_pmic;
+ int ret;
+
+ device_type = (unsigned long)of_device_get_match_data(&client->dev);
+
+ switch (device_type) {
+ case S2MPA01:
+ regmap = &s2mpa01_regmap_config;
+ break;
+ case S2MPS11X:
+ regmap = &s2mps11_regmap_config;
+ break;
+ case S2MPS13X:
+ regmap = &s2mps13_regmap_config;
+ break;
+ case S2MPS14X:
+ regmap = &s2mps14_regmap_config;
+ break;
+ case S2MPS15X:
+ regmap = &s2mps15_regmap_config;
+ break;
+ case S5M8767X:
+ regmap = &s5m8767_regmap_config;
+ break;
+ case S2MPU02:
+ regmap = &s2mpu02_regmap_config;
+ break;
+ default:
+ regmap = &sec_regmap_config;
+ break;
+ }
+
+ regmap_pmic = devm_regmap_init_i2c(client, regmap);
+ if (IS_ERR(regmap_pmic)) {
+ ret = PTR_ERR(regmap_pmic);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ return sec_pmic_probe(&client->dev, device_type, client->irq,
+ regmap_pmic, client);
+}
+
+static void sec_pmic_i2c_shutdown(struct i2c_client *i2c)
+{
+ sec_pmic_shutdown(&i2c->dev);
+}
+
+static const struct of_device_id sec_pmic_i2c_of_match[] = {
+ {
+ .compatible = "samsung,s5m8767-pmic",
+ .data = (void *)S5M8767X,
+ }, {
+ .compatible = "samsung,s2dos05",
+ .data = (void *)S2DOS05,
+ }, {
+ .compatible = "samsung,s2mps11-pmic",
+ .data = (void *)S2MPS11X,
+ }, {
+ .compatible = "samsung,s2mps13-pmic",
+ .data = (void *)S2MPS13X,
+ }, {
+ .compatible = "samsung,s2mps14-pmic",
+ .data = (void *)S2MPS14X,
+ }, {
+ .compatible = "samsung,s2mps15-pmic",
+ .data = (void *)S2MPS15X,
+ }, {
+ .compatible = "samsung,s2mpa01-pmic",
+ .data = (void *)S2MPA01,
+ }, {
+ .compatible = "samsung,s2mpu02-pmic",
+ .data = (void *)S2MPU02,
+ }, {
+ .compatible = "samsung,s2mpu05-pmic",
+ .data = (void *)S2MPU05,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(of, sec_pmic_i2c_of_match);
+
+static struct i2c_driver sec_pmic_i2c_driver = {
+ .driver = {
+ .name = "sec-pmic-i2c",
+ .pm = pm_sleep_ptr(&sec_pmic_pm_ops),
+ .of_match_table = sec_pmic_i2c_of_match,
+ },
+ .probe = sec_pmic_i2c_probe,
+ .shutdown = sec_pmic_i2c_shutdown,
+};
+module_i2c_driver(sec_pmic_i2c_driver);
+
+MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
+MODULE_DESCRIPTION("I2C driver for the Samsung S5M");
+MODULE_LICENSE("GPL");
projects / users / dwmw2 / linux.git / commitdiff