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-rw-r--r--drivers/mfd/Kconfig17
-rw-r--r--drivers/mfd/Makefile3
-rw-r--r--drivers/mfd/da9055-core.c423
-rw-r--r--drivers/mfd/da9055-i2c.c93
4 files changed, 536 insertions, 0 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 84d6ea2d74f..6bfa2a1ec9d 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -430,6 +430,23 @@ config MFD_DA9052_I2C
for accessing the device, additional drivers must be enabled in
order to use the functionality of the device.
+config MFD_DA9055
+ bool "Dialog Semiconductor DA9055 PMIC Support"
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select PMIC_DA9055
+ select MFD_CORE
+ depends on I2C=y
+ help
+ Say yes here for support of Dialog Semiconductor DA9055. This is
+ a Power Management IC. This driver provides common support for
+ accessing the device as well as the I2C interface to the chip itself.
+ Additional drivers must be enabled in order to use the functionality
+ of the device.
+
+ This driver can be built as a module. If built as a module it will be
+ called "da9055"
+
config PMIC_ADP5520
bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 083acf97af2..33c0e49f7e6 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -91,6 +91,9 @@ obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o
obj-$(CONFIG_MFD_LP8788) += lp8788.o lp8788-irq.o
+da9055-objs := da9055-core.o da9055-i2c.o
+obj-$(CONFIG_MFD_DA9055) += da9055.o
+
obj-$(CONFIG_MFD_MAX77686) += max77686.o max77686-irq.o
obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o
obj-$(CONFIG_MFD_MAX8907) += max8907.o
diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
new file mode 100644
index 00000000000..ff6c77f392b
--- /dev/null
+++ b/drivers/mfd/da9055-core.c
@@ -0,0 +1,423 @@
+/*
+ * Device access for Dialog DA9055 PMICs.
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/da9055/core.h>
+#include <linux/mfd/da9055/pdata.h>
+#include <linux/mfd/da9055/reg.h>
+
+#define DA9055_IRQ_NONKEY_MASK 0x01
+#define DA9055_IRQ_ALM_MASK 0x02
+#define DA9055_IRQ_TICK_MASK 0x04
+#define DA9055_IRQ_ADC_MASK 0x08
+#define DA9055_IRQ_BUCK_ILIM_MASK 0x08
+
+static bool da9055_register_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+ case DA9055_REG_IRQ_MASK_A:
+ case DA9055_REG_IRQ_MASK_B:
+ case DA9055_REG_IRQ_MASK_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_B:
+ case DA9055_REG_CONTROL_C:
+ case DA9055_REG_CONTROL_D:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_CONT:
+ case DA9055_REG_VSYS_MON:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_H:
+ case DA9055_REG_ALARM_D:
+ case DA9055_REG_ALARM_MI:
+ case DA9055_REG_ALARM_MO:
+ case DA9055_REG_ALARM_Y:
+
+ case DA9055_REG_GPIO0_1:
+ case DA9055_REG_GPIO2:
+ case DA9055_REG_GPIO_MODE0_2:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ case DA9055_REG_BUCK_LIM:
+ case DA9055_REG_BCORE_MODE:
+ case DA9055_REG_VBCORE_A:
+ case DA9055_REG_VBMEM_A:
+ case DA9055_REG_VLDO1_A:
+ case DA9055_REG_VLDO2_A:
+ case DA9055_REG_VLDO3_A:
+ case DA9055_REG_VLDO4_A:
+ case DA9055_REG_VLDO5_A:
+ case DA9055_REG_VLDO6_A:
+ case DA9055_REG_VBCORE_B:
+ case DA9055_REG_VBMEM_B:
+ case DA9055_REG_VLDO1_B:
+ case DA9055_REG_VLDO2_B:
+ case DA9055_REG_VLDO3_B:
+ case DA9055_REG_VLDO4_B:
+ case DA9055_REG_VLDO5_B:
+ case DA9055_REG_VLDO6_B:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9055_register_writeable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+ case DA9055_REG_IRQ_MASK_A:
+ case DA9055_REG_IRQ_MASK_B:
+ case DA9055_REG_IRQ_MASK_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_B:
+ case DA9055_REG_CONTROL_C:
+ case DA9055_REG_CONTROL_D:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_CONT:
+ case DA9055_REG_VSYS_MON:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_H:
+ case DA9055_REG_ALARM_D:
+ case DA9055_REG_ALARM_MI:
+ case DA9055_REG_ALARM_MO:
+ case DA9055_REG_ALARM_Y:
+
+ case DA9055_REG_GPIO0_1:
+ case DA9055_REG_GPIO2:
+ case DA9055_REG_GPIO_MODE0_2:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ case DA9055_REG_BUCK_LIM:
+ case DA9055_REG_BCORE_MODE:
+ case DA9055_REG_VBCORE_A:
+ case DA9055_REG_VBMEM_A:
+ case DA9055_REG_VLDO1_A:
+ case DA9055_REG_VLDO2_A:
+ case DA9055_REG_VLDO3_A:
+ case DA9055_REG_VLDO4_A:
+ case DA9055_REG_VLDO5_A:
+ case DA9055_REG_VLDO6_A:
+ case DA9055_REG_VBCORE_B:
+ case DA9055_REG_VBMEM_B:
+ case DA9055_REG_VLDO1_B:
+ case DA9055_REG_VLDO2_B:
+ case DA9055_REG_VLDO3_B:
+ case DA9055_REG_VLDO4_B:
+ case DA9055_REG_VLDO5_B:
+ case DA9055_REG_VLDO6_B:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9055_register_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9055_REG_STATUS_A:
+ case DA9055_REG_STATUS_B:
+ case DA9055_REG_EVENT_A:
+ case DA9055_REG_EVENT_B:
+ case DA9055_REG_EVENT_C:
+
+ case DA9055_REG_CONTROL_A:
+ case DA9055_REG_CONTROL_E:
+
+ case DA9055_REG_ADC_MAN:
+ case DA9055_REG_ADC_RES_L:
+ case DA9055_REG_ADC_RES_H:
+ case DA9055_REG_VSYS_RES:
+ case DA9055_REG_ADCIN1_RES:
+ case DA9055_REG_ADCIN2_RES:
+ case DA9055_REG_ADCIN3_RES:
+
+ case DA9055_REG_COUNT_S:
+ case DA9055_REG_COUNT_MI:
+ case DA9055_REG_COUNT_H:
+ case DA9055_REG_COUNT_D:
+ case DA9055_REG_COUNT_MO:
+ case DA9055_REG_COUNT_Y:
+ case DA9055_REG_ALARM_MI:
+
+ case DA9055_REG_BCORE_CONT:
+ case DA9055_REG_BMEM_CONT:
+ case DA9055_REG_LDO1_CONT:
+ case DA9055_REG_LDO2_CONT:
+ case DA9055_REG_LDO3_CONT:
+ case DA9055_REG_LDO4_CONT:
+ case DA9055_REG_LDO5_CONT:
+ case DA9055_REG_LDO6_CONT:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static struct regmap_irq da9055_irqs[] = {
+ [DA9055_IRQ_NONKEY] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_NONKEY_MASK,
+ },
+ [DA9055_IRQ_ALARM] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_ALM_MASK,
+ },
+ [DA9055_IRQ_TICK] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_TICK_MASK,
+ },
+ [DA9055_IRQ_HWMON] = {
+ .reg_offset = 0,
+ .mask = DA9055_IRQ_ADC_MASK,
+ },
+ [DA9055_IRQ_REGULATOR] = {
+ .reg_offset = 1,
+ .mask = DA9055_IRQ_BUCK_ILIM_MASK,
+ },
+};
+
+struct regmap_config da9055_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .cache_type = REGCACHE_RBTREE,
+
+ .max_register = DA9055_MAX_REGISTER_CNT,
+ .readable_reg = da9055_register_readable,
+ .writeable_reg = da9055_register_writeable,
+ .volatile_reg = da9055_register_volatile,
+};
+EXPORT_SYMBOL_GPL(da9055_regmap_config);
+
+static struct resource da9055_onkey_resource = {
+ .name = "ONKEY",
+ .start = DA9055_IRQ_NONKEY,
+ .end = DA9055_IRQ_NONKEY,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9055_rtc_resource[] = {
+ {
+ .name = "ALM",
+ .start = DA9055_IRQ_ALARM,
+ .end = DA9055_IRQ_ALARM,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "TICK",
+ .start = DA9055_IRQ_TICK,
+ .end = DA9055_IRQ_TICK,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource da9055_hwmon_resource = {
+ .name = "HWMON",
+ .start = DA9055_IRQ_HWMON,
+ .end = DA9055_IRQ_HWMON,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9055_ld05_6_resource = {
+ .name = "REGULATOR",
+ .start = DA9055_IRQ_REGULATOR,
+ .end = DA9055_IRQ_REGULATOR,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct mfd_cell da9055_devs[] = {
+ {
+ .of_compatible = "dialog,da9055-gpio",
+ .name = "da9055-gpio",
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 2,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 3,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 4,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 5,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 6,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .id = 7,
+ .resources = &da9055_ld05_6_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-regulator",
+ .name = "da9055-regulator",
+ .resources = &da9055_ld05_6_resource,
+ .num_resources = 1,
+ .id = 8,
+ },
+ {
+ .of_compatible = "dialog,da9055-onkey",
+ .name = "da9055-onkey",
+ .resources = &da9055_onkey_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-rtc",
+ .name = "da9055-rtc",
+ .resources = da9055_rtc_resource,
+ .num_resources = ARRAY_SIZE(da9055_rtc_resource),
+ },
+ {
+ .of_compatible = "dialog,da9055-hwmon",
+ .name = "da9055-hwmon",
+ .resources = &da9055_hwmon_resource,
+ .num_resources = 1,
+ },
+ {
+ .of_compatible = "dialog,da9055-watchdog",
+ .name = "da9055-watchdog",
+ },
+};
+
+static struct regmap_irq_chip da9055_regmap_irq_chip = {
+ .name = "da9055_irq",
+ .status_base = DA9055_REG_EVENT_A,
+ .mask_base = DA9055_REG_IRQ_MASK_A,
+ .ack_base = DA9055_REG_EVENT_A,
+ .num_regs = 3,
+ .irqs = da9055_irqs,
+ .num_irqs = ARRAY_SIZE(da9055_irqs),
+};
+
+int __devinit da9055_device_init(struct da9055 *da9055)
+{
+ struct da9055_pdata *pdata = da9055->dev->platform_data;
+ int ret;
+
+ if (pdata && pdata->init != NULL)
+ pdata->init(da9055);
+
+ if (!pdata || !pdata->irq_base)
+ da9055->irq_base = -1;
+ else
+ da9055->irq_base = pdata->irq_base;
+
+ ret = regmap_add_irq_chip(da9055->regmap, da9055->chip_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ da9055->irq_base, &da9055_regmap_irq_chip,
+ &da9055->irq_data);
+ if (ret < 0)
+ return ret;
+
+ da9055->irq_base = regmap_irq_chip_get_base(da9055->irq_data);
+
+ ret = mfd_add_devices(da9055->dev, -1,
+ da9055_devs, ARRAY_SIZE(da9055_devs),
+ NULL, da9055->irq_base, NULL);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ mfd_remove_devices(da9055->dev);
+ return ret;
+}
+
+void __devexit da9055_device_exit(struct da9055 *da9055)
+{
+ regmap_del_irq_chip(da9055->chip_irq, da9055->irq_data);
+ mfd_remove_devices(da9055->dev);
+}
+
+MODULE_DESCRIPTION("Core support for the DA9055 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c
new file mode 100644
index 00000000000..88f6dca53ba
--- /dev/null
+++ b/drivers/mfd/da9055-i2c.c
@@ -0,0 +1,93 @@
+ /* I2C access for DA9055 PMICs.
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+
+#include <linux/mfd/da9055/core.h>
+
+static int __devinit da9055_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct da9055 *da9055;
+ int ret;
+
+ da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL);
+ if (!da9055)
+ return -ENOMEM;
+
+ da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
+ if (IS_ERR(da9055->regmap)) {
+ ret = PTR_ERR(da9055->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ da9055->dev = &i2c->dev;
+ da9055->chip_irq = i2c->irq;
+
+ i2c_set_clientdata(i2c, da9055);
+
+ return da9055_device_init(da9055);
+}
+
+static int __devexit da9055_i2c_remove(struct i2c_client *i2c)
+{
+ struct da9055 *da9055 = i2c_get_clientdata(i2c);
+
+ da9055_device_exit(da9055);
+
+ return 0;
+}
+
+static struct i2c_device_id da9055_i2c_id[] = {
+ {"da9055-pmic", 0},
+ { }
+};
+
+static struct i2c_driver da9055_i2c_driver = {
+ .probe = da9055_i2c_probe,
+ .remove = __devexit_p(da9055_i2c_remove),
+ .id_table = da9055_i2c_id,
+ .driver = {
+ .name = "da9055",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init da9055_i2c_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&da9055_i2c_driver);
+ if (ret != 0) {
+ pr_err("DA9055 I2C registration failed %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+subsys_initcall(da9055_i2c_init);
+
+static void __exit da9055_i2c_exit(void)
+{
+ i2c_del_driver(&da9055_i2c_driver);
+}
+module_exit(da9055_i2c_exit);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("I2C driver for Dialog DA9055 PMIC");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-17 12:40:46 +0000