//
// Copyright (C) 2018 ROHM Semiconductors
//
-// ROHM BD71837MWV PMIC driver
+// ROHM BD71837MWV and BD71847MWV PMIC driver
//
-// Datasheet available from
+// Datasheet for BD71837MWV available from
// https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e
#include <linux/gpio_keys.h>
.name = "bd718xx-pwrkey",
};
-static struct mfd_cell bd71837_mfd_cells[] = {
+static struct mfd_cell bd718xx_mfd_cells[] = {
{
.name = "gpio-keys",
.platform_data = &bd718xx_powerkey_data,
{ .name = "bd718xx-pmic", },
};
-static const struct regmap_irq bd71837_irqs[] = {
- REGMAP_IRQ_REG(BD71837_INT_SWRST, 0, BD71837_INT_SWRST_MASK),
- REGMAP_IRQ_REG(BD71837_INT_PWRBTN_S, 0, BD71837_INT_PWRBTN_S_MASK),
- REGMAP_IRQ_REG(BD71837_INT_PWRBTN_L, 0, BD71837_INT_PWRBTN_L_MASK),
- REGMAP_IRQ_REG(BD71837_INT_PWRBTN, 0, BD71837_INT_PWRBTN_MASK),
- REGMAP_IRQ_REG(BD71837_INT_WDOG, 0, BD71837_INT_WDOG_MASK),
- REGMAP_IRQ_REG(BD71837_INT_ON_REQ, 0, BD71837_INT_ON_REQ_MASK),
- REGMAP_IRQ_REG(BD71837_INT_STBY_REQ, 0, BD71837_INT_STBY_REQ_MASK),
+static const struct regmap_irq bd718xx_irqs[] = {
+ REGMAP_IRQ_REG(BD718XX_INT_SWRST, 0, BD718XX_INT_SWRST_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_S, 0, BD718XX_INT_PWRBTN_S_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_L, 0, BD718XX_INT_PWRBTN_L_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_PWRBTN, 0, BD718XX_INT_PWRBTN_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_WDOG, 0, BD718XX_INT_WDOG_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_ON_REQ, 0, BD718XX_INT_ON_REQ_MASK),
+ REGMAP_IRQ_REG(BD718XX_INT_STBY_REQ, 0, BD718XX_INT_STBY_REQ_MASK),
};
-static struct regmap_irq_chip bd71837_irq_chip = {
- .name = "bd71837-irq",
- .irqs = bd71837_irqs,
- .num_irqs = ARRAY_SIZE(bd71837_irqs),
+static struct regmap_irq_chip bd718xx_irq_chip = {
+ .name = "bd718xx-irq",
+ .irqs = bd718xx_irqs,
+ .num_irqs = ARRAY_SIZE(bd718xx_irqs),
.num_regs = 1,
.irq_reg_stride = 1,
.status_base = BD718XX_REG_IRQ,
.n_yes_ranges = 1,
};
-static const struct regmap_config bd71837_regmap_config = {
+static const struct regmap_config bd718xx_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.volatile_table = &volatile_regs,
.cache_type = REGCACHE_RBTREE,
};
-static int bd71837_i2c_probe(struct i2c_client *i2c,
+static int bd718xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- struct bd71837 *bd71837;
+ struct bd718xx *bd718xx;
int ret;
if (!i2c->irq) {
return -EINVAL;
}
- bd71837 = devm_kzalloc(&i2c->dev, sizeof(struct bd71837), GFP_KERNEL);
+ bd718xx = devm_kzalloc(&i2c->dev, sizeof(struct bd718xx), GFP_KERNEL);
- if (!bd71837)
+ if (!bd718xx)
return -ENOMEM;
- bd71837->chip_irq = i2c->irq;
- bd71837->chip_type = (unsigned int)(uintptr_t)
+ bd718xx->chip_irq = i2c->irq;
+ bd718xx->chip_type = (unsigned int)
of_device_get_match_data(&i2c->dev);
- bd71837->dev = &i2c->dev;
- dev_set_drvdata(&i2c->dev, bd71837);
+ bd718xx->dev = &i2c->dev;
+ dev_set_drvdata(&i2c->dev, bd718xx);
- bd71837->regmap = devm_regmap_init_i2c(i2c, &bd71837_regmap_config);
- if (IS_ERR(bd71837->regmap)) {
+ bd718xx->regmap = devm_regmap_init_i2c(i2c, &bd718xx_regmap_config);
+ if (IS_ERR(bd718xx->regmap)) {
dev_err(&i2c->dev, "regmap initialization failed\n");
- return PTR_ERR(bd71837->regmap);
+ return PTR_ERR(bd718xx->regmap);
}
- ret = devm_regmap_add_irq_chip(&i2c->dev, bd71837->regmap,
- bd71837->chip_irq, IRQF_ONESHOT, 0,
- &bd71837_irq_chip, &bd71837->irq_data);
+ ret = devm_regmap_add_irq_chip(&i2c->dev, bd718xx->regmap,
+ bd718xx->chip_irq, IRQF_ONESHOT, 0,
+ &bd718xx_irq_chip, &bd718xx->irq_data);
if (ret) {
dev_err(&i2c->dev, "Failed to add irq_chip\n");
return ret;
}
/* Configure short press to 10 milliseconds */
- ret = regmap_update_bits(bd71837->regmap,
+ ret = regmap_update_bits(bd718xx->regmap,
BD718XX_REG_PWRONCONFIG0,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_SHORT_PRESS_10MS);
}
/* Configure long press to 10 seconds */
- ret = regmap_update_bits(bd71837->regmap,
+ ret = regmap_update_bits(bd718xx->regmap,
BD718XX_REG_PWRONCONFIG1,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_LONG_PRESS_10S);
return ret;
}
- ret = regmap_irq_get_virq(bd71837->irq_data, BD71837_INT_PWRBTN_S);
+ ret = regmap_irq_get_virq(bd718xx->irq_data, BD718XX_INT_PWRBTN_S);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to get the IRQ\n");
button.irq = ret;
- ret = devm_mfd_add_devices(bd71837->dev, PLATFORM_DEVID_AUTO,
- bd71837_mfd_cells,
- ARRAY_SIZE(bd71837_mfd_cells), NULL, 0,
- regmap_irq_get_domain(bd71837->irq_data));
+ ret = devm_mfd_add_devices(bd718xx->dev, PLATFORM_DEVID_AUTO,
+ bd718xx_mfd_cells,
+ ARRAY_SIZE(bd718xx_mfd_cells), NULL, 0,
+ regmap_irq_get_domain(bd718xx->irq_data));
if (ret)
dev_err(&i2c->dev, "Failed to create subdevices\n");
return ret;
}
-static const struct of_device_id bd71837_of_match[] = {
+static const struct of_device_id bd718xx_of_match[] = {
{
.compatible = "rohm,bd71837",
.data = (void *)BD718XX_TYPE_BD71837,
},
{ }
};
-MODULE_DEVICE_TABLE(of, bd71837_of_match);
+MODULE_DEVICE_TABLE(of, bd718xx_of_match);
-static struct i2c_driver bd71837_i2c_driver = {
+static struct i2c_driver bd718xx_i2c_driver = {
.driver = {
.name = "rohm-bd718x7",
- .of_match_table = bd71837_of_match,
+ .of_match_table = bd718xx_of_match,
},
- .probe = bd71837_i2c_probe,
+ .probe = bd718xx_i2c_probe,
};
-static int __init bd71837_i2c_init(void)
+static int __init bd718xx_i2c_init(void)
{
- return i2c_add_driver(&bd71837_i2c_driver);
+ return i2c_add_driver(&bd718xx_i2c_driver);
}
/* Initialise early so consumer devices can complete system boot */
-subsys_initcall(bd71837_i2c_init);
+subsys_initcall(bd718xx_i2c_init);
-static void __exit bd71837_i2c_exit(void)
+static void __exit bd718xx_i2c_exit(void)
{
- i2c_del_driver(&bd71837_i2c_driver);
+ i2c_del_driver(&bd718xx_i2c_driver);
}
-module_exit(bd71837_i2c_exit);
+module_exit(bd718xx_i2c_exit);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
-MODULE_DESCRIPTION("ROHM BD71837 Power Management IC driver");
+MODULE_DESCRIPTION("ROHM BD71837/BD71847 Power Management IC driver");
MODULE_LICENSE("GPL");
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 ROHM Semiconductors
-// bd71837-regulator.c ROHM BD71837MWV regulator driver
+// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
#include <linux/delay.h>
#include <linux/err.h>
struct bd718xx_pmic {
struct bd718xx_regulator_data *rdata;
- struct bd71837 *mfd;
+ struct bd718xx *mfd;
struct platform_device *pdev;
struct regulator_dev *rdev[BD718XX_REGULATOR_AMOUNT];
};
* 10: 2.50mV/usec 10mV 4uS
* 11: 1.25mV/usec 10mV 8uS
*/
-static int bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev,
+static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay)
{
struct bd718xx_pmic *pmic = rdev_get_drvdata(rdev);
- struct bd71837 *mfd = pmic->mfd;
+ struct bd718xx *mfd = pmic->mfd;
int id = rdev->desc->id;
unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
- .set_ramp_delay = bd71837_buck1234_set_ramp_delay,
+ .set_ramp_delay = bd718xx_buck1234_set_ramp_delay,
};
/*
.desc = {
.name = "buck5",
.of_match = of_match_ptr("BUCK5"),
- .regulators_node = of_match_ptr("regulators"),
+ .regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK5,
.ops = &bd718xx_buck_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.id = BD718XX_BUCK6,
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_4TH_NODVS_BUCK_VOLTAGE_NUM,
+ .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
.n_linear_ranges =
ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
.id = BD718XX_BUCK8,
.ops = &bd718xx_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_4TH_NODVS_BUCK_VOLTAGE_NUM,
+ .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
.n_linear_ranges =
ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
unsigned int r_amount;
};
-static int bd71837_probe(struct platform_device *pdev)
+static int bd718xx_probe(struct platform_device *pdev)
{
struct bd718xx_pmic *pmic;
struct regulator_config config = { 0 };
return err;
}
-static struct platform_driver bd71837_regulator = {
+static struct platform_driver bd718xx_regulator = {
.driver = {
.name = "bd718xx-pmic",
},
- .probe = bd71837_probe,
+ .probe = bd718xx_probe,
};
-module_platform_driver(bd71837_regulator);
+module_platform_driver(bd718xx_regulator);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
-MODULE_DESCRIPTION("BD71837 voltage regulator driver");
+MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
MODULE_LICENSE("GPL");
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2018 ROHM Semiconductors */
-#ifndef __LINUX_MFD_BD71837_H__
-#define __LINUX_MFD_BD71837_H__
+#ifndef __LINUX_MFD_BD718XX_H__
+#define __LINUX_MFD_BD718XX_H__
#include <linux/regmap.h>
#define BD718XX_DVS_BUCK_VOLTAGE_NUM 0x3D
#define BD718XX_1ST_NODVS_BUCK_VOLTAGE_NUM 0x08
-#define BD71837_4TH_NODVS_BUCK_VOLTAGE_NUM 0x3D
+#define BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM 0x3D
#define BD718XX_LDO1_VOLTAGE_NUM 0x04
#define BD718XX_LDO2_VOLTAGE_NUM 0x02
#define BD71837_BUCK4_VRMON130 0x80
#define BD71837_LDO7_VRMON80 0x40
-/* BD71837_REG_IRQ bits */
+/* BD718XX_REG_IRQ bits */
#define IRQ_SWRST 0x40
#define IRQ_PWRON_S 0x20
#define IRQ_PWRON_L 0x10
#define IRQ_ON_REQ 0x02
#define IRQ_STBY_REQ 0x01
-/* BD71837_REG_OUT32K bits */
-#define BD71837_OUT32K_EN 0x01
+/* BD718XX_REG_OUT32K bits */
+#define BD718XX_OUT32K_EN 0x01
-/* BD71837 gated clock rate */
-#define BD71837_CLK_RATE 32768
+/* BD7183XX gated clock rate */
+#define BD718XX_CLK_RATE 32768
-/* ROHM BD71837 irqs */
+/* ROHM BD718XX irqs */
enum {
- BD71837_INT_STBY_REQ,
- BD71837_INT_ON_REQ,
- BD71837_INT_WDOG,
- BD71837_INT_PWRBTN,
- BD71837_INT_PWRBTN_L,
- BD71837_INT_PWRBTN_S,
- BD71837_INT_SWRST
+ BD718XX_INT_STBY_REQ,
+ BD718XX_INT_ON_REQ,
+ BD718XX_INT_WDOG,
+ BD718XX_INT_PWRBTN,
+ BD718XX_INT_PWRBTN_L,
+ BD718XX_INT_PWRBTN_S,
+ BD718XX_INT_SWRST
};
-/* ROHM BD71837 interrupt masks */
-#define BD71837_INT_SWRST_MASK 0x40
-#define BD71837_INT_PWRBTN_S_MASK 0x20
-#define BD71837_INT_PWRBTN_L_MASK 0x10
-#define BD71837_INT_PWRBTN_MASK 0x8
-#define BD71837_INT_WDOG_MASK 0x4
-#define BD71837_INT_ON_REQ_MASK 0x2
-#define BD71837_INT_STBY_REQ_MASK 0x1
+/* ROHM BD718XX interrupt masks */
+#define BD718XX_INT_SWRST_MASK 0x40
+#define BD718XX_INT_PWRBTN_S_MASK 0x20
+#define BD718XX_INT_PWRBTN_L_MASK 0x10
+#define BD718XX_INT_PWRBTN_MASK 0x8
+#define BD718XX_INT_WDOG_MASK 0x4
+#define BD718XX_INT_ON_REQ_MASK 0x2
+#define BD718XX_INT_STBY_REQ_MASK 0x1
/* Register write induced reset settings */
* write 1 to it we will trigger the action. So always write 0 to it when
* changning SWRESET action - no matter what we read from it.
*/
-#define BD71837_SWRESET_TYPE_MASK 7
-#define BD71837_SWRESET_TYPE_DISABLED 0
-#define BD71837_SWRESET_TYPE_COLD 4
-#define BD71837_SWRESET_TYPE_WARM 6
+#define BD718XX_SWRESET_TYPE_MASK 7
+#define BD718XX_SWRESET_TYPE_DISABLED 0
+#define BD718XX_SWRESET_TYPE_COLD 4
+#define BD718XX_SWRESET_TYPE_WARM 6
-#define BD71837_SWRESET_RESET_MASK 1
-#define BD71837_SWRESET_RESET 1
+#define BD718XX_SWRESET_RESET_MASK 1
+#define BD718XX_SWRESET_RESET 1
/* Poweroff state transition conditions */
struct bd718xx_pmic;
struct bd718xx_clk;
-struct bd71837 {
+struct bd718xx {
unsigned int chip_type;
struct device *dev;
struct regmap *regmap;
struct bd718xx_clk *clk;
};
-#endif /* __LINUX_MFD_BD71837_H__ */
+#endif /* __LINUX_MFD_BD718XX_H__ */
projects / platform / kernel / linux-rpi.git / commitdiff