deleted file mode 100644
@@ -1,645 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * lm3533-core.c -- LM3533 Core
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/gpio.h>
-#include <linux/i2c.h>
-#include <linux/mfd/core.h>
-#include <linux/regmap.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-
-#include <linux/mfd/lm3533.h>
-
-
-#define LM3533_BOOST_OVP_MASK 0x06
-#define LM3533_BOOST_OVP_SHIFT 1
-
-#define LM3533_BOOST_FREQ_MASK 0x01
-#define LM3533_BOOST_FREQ_SHIFT 0
-
-#define LM3533_BL_ID_MASK 1
-#define LM3533_LED_ID_MASK 3
-#define LM3533_BL_ID_MAX 1
-#define LM3533_LED_ID_MAX 3
-
-#define LM3533_HVLED_ID_MAX 2
-#define LM3533_LVLED_ID_MAX 5
-
-#define LM3533_REG_OUTPUT_CONF1 0x10
-#define LM3533_REG_OUTPUT_CONF2 0x11
-#define LM3533_REG_BOOST_PWM 0x2c
-
-#define LM3533_REG_MAX 0xb2
-
-
-static struct mfd_cell lm3533_als_devs[] = {
- {
- .name = "lm3533-als",
- .id = -1,
- },
-};
-
-static struct mfd_cell lm3533_bl_devs[] = {
- {
- .name = "lm3533-backlight",
- .id = 0,
- },
- {
- .name = "lm3533-backlight",
- .id = 1,
- },
-};
-
-static struct mfd_cell lm3533_led_devs[] = {
- {
- .name = "lm3533-leds",
- .id = 0,
- },
- {
- .name = "lm3533-leds",
- .id = 1,
- },
- {
- .name = "lm3533-leds",
- .id = 2,
- },
- {
- .name = "lm3533-leds",
- .id = 3,
- },
-};
-
-int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val)
-{
- int tmp;
- int ret;
-
- ret = regmap_read(lm3533->regmap, reg, &tmp);
- if (ret < 0) {
- dev_err(lm3533->dev, "failed to read register %02x: %d\n",
- reg, ret);
- return ret;
- }
-
- *val = tmp;
-
- dev_dbg(lm3533->dev, "read [%02x]: %02x\n", reg, *val);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_read);
-
-int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val)
-{
- int ret;
-
- dev_dbg(lm3533->dev, "write [%02x]: %02x\n", reg, val);
-
- ret = regmap_write(lm3533->regmap, reg, val);
- if (ret < 0) {
- dev_err(lm3533->dev, "failed to write register %02x: %d\n",
- reg, ret);
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_write);
-
-int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask)
-{
- int ret;
-
- dev_dbg(lm3533->dev, "update [%02x]: %02x/%02x\n", reg, val, mask);
-
- ret = regmap_update_bits(lm3533->regmap, reg, mask, val);
- if (ret < 0) {
- dev_err(lm3533->dev, "failed to update register %02x: %d\n",
- reg, ret);
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_update);
-
-static int lm3533_set_boost_freq(struct lm3533 *lm3533,
- enum lm3533_boost_freq freq)
-{
- int ret;
-
- ret = lm3533_update(lm3533, LM3533_REG_BOOST_PWM,
- freq << LM3533_BOOST_FREQ_SHIFT,
- LM3533_BOOST_FREQ_MASK);
- if (ret)
- dev_err(lm3533->dev, "failed to set boost frequency\n");
-
- return ret;
-}
-
-
-static int lm3533_set_boost_ovp(struct lm3533 *lm3533,
- enum lm3533_boost_ovp ovp)
-{
- int ret;
-
- ret = lm3533_update(lm3533, LM3533_REG_BOOST_PWM,
- ovp << LM3533_BOOST_OVP_SHIFT,
- LM3533_BOOST_OVP_MASK);
- if (ret)
- dev_err(lm3533->dev, "failed to set boost ovp\n");
-
- return ret;
-}
-
-/*
- * HVLED output config -- output hvled controlled by backlight bl
- */
-static int lm3533_set_hvled_config(struct lm3533 *lm3533, u8 hvled, u8 bl)
-{
- u8 val;
- u8 mask;
- int shift;
- int ret;
-
- if (hvled == 0 || hvled > LM3533_HVLED_ID_MAX)
- return -EINVAL;
-
- if (bl > LM3533_BL_ID_MAX)
- return -EINVAL;
-
- shift = hvled - 1;
- mask = LM3533_BL_ID_MASK << shift;
- val = bl << shift;
-
- ret = lm3533_update(lm3533, LM3533_REG_OUTPUT_CONF1, val, mask);
- if (ret)
- dev_err(lm3533->dev, "failed to set hvled config\n");
-
- return ret;
-}
-
-/*
- * LVLED output config -- output lvled controlled by LED led
- */
-static int lm3533_set_lvled_config(struct lm3533 *lm3533, u8 lvled, u8 led)
-{
- u8 reg;
- u8 val;
- u8 mask;
- int shift;
- int ret;
-
- if (lvled == 0 || lvled > LM3533_LVLED_ID_MAX)
- return -EINVAL;
-
- if (led > LM3533_LED_ID_MAX)
- return -EINVAL;
-
- if (lvled < 4) {
- reg = LM3533_REG_OUTPUT_CONF1;
- shift = 2 * lvled;
- } else {
- reg = LM3533_REG_OUTPUT_CONF2;
- shift = 2 * (lvled - 4);
- }
-
- mask = LM3533_LED_ID_MASK << shift;
- val = led << shift;
-
- ret = lm3533_update(lm3533, reg, val, mask);
- if (ret)
- dev_err(lm3533->dev, "failed to set lvled config\n");
-
- return ret;
-}
-
-static void lm3533_enable(struct lm3533 *lm3533)
-{
- if (gpio_is_valid(lm3533->gpio_hwen))
- gpio_set_value(lm3533->gpio_hwen, 1);
-}
-
-static void lm3533_disable(struct lm3533 *lm3533)
-{
- if (gpio_is_valid(lm3533->gpio_hwen))
- gpio_set_value(lm3533->gpio_hwen, 0);
-}
-
-enum lm3533_attribute_type {
- LM3533_ATTR_TYPE_BACKLIGHT,
- LM3533_ATTR_TYPE_LED,
-};
-
-struct lm3533_device_attribute {
- struct device_attribute dev_attr;
- enum lm3533_attribute_type type;
- union {
- struct {
- u8 id;
- } output;
- } u;
-};
-
-#define to_lm3533_dev_attr(_attr) \
- container_of(_attr, struct lm3533_device_attribute, dev_attr)
-
-static ssize_t show_output(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct lm3533 *lm3533 = dev_get_drvdata(dev);
- struct lm3533_device_attribute *lattr = to_lm3533_dev_attr(attr);
- int id = lattr->u.output.id;
- u8 reg;
- u8 val;
- u8 mask;
- int shift;
- int ret;
-
- if (lattr->type == LM3533_ATTR_TYPE_BACKLIGHT) {
- reg = LM3533_REG_OUTPUT_CONF1;
- shift = id - 1;
- mask = LM3533_BL_ID_MASK << shift;
- } else {
- if (id < 4) {
- reg = LM3533_REG_OUTPUT_CONF1;
- shift = 2 * id;
- } else {
- reg = LM3533_REG_OUTPUT_CONF2;
- shift = 2 * (id - 4);
- }
- mask = LM3533_LED_ID_MASK << shift;
- }
-
- ret = lm3533_read(lm3533, reg, &val);
- if (ret)
- return ret;
-
- val = (val & mask) >> shift;
-
- return sysfs_emit(buf, "%u\n", val);
-}
-
-static ssize_t store_output(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct lm3533 *lm3533 = dev_get_drvdata(dev);
- struct lm3533_device_attribute *lattr = to_lm3533_dev_attr(attr);
- int id = lattr->u.output.id;
- u8 val;
- int ret;
-
- if (kstrtou8(buf, 0, &val))
- return -EINVAL;
-
- if (lattr->type == LM3533_ATTR_TYPE_BACKLIGHT)
- ret = lm3533_set_hvled_config(lm3533, id, val);
- else
- ret = lm3533_set_lvled_config(lm3533, id, val);
-
- if (ret)
- return ret;
-
- return len;
-}
-
-#define LM3533_OUTPUT_ATTR(_name, _mode, _show, _store, _type, _id) \
- struct lm3533_device_attribute lm3533_dev_attr_##_name = \
- { .dev_attr = __ATTR(_name, _mode, _show, _store), \
- .type = _type, \
- .u.output = { .id = _id }, }
-
-#define LM3533_OUTPUT_ATTR_RW(_name, _type, _id) \
- LM3533_OUTPUT_ATTR(output_##_name, S_IRUGO | S_IWUSR, \
- show_output, store_output, _type, _id)
-
-#define LM3533_OUTPUT_HVLED_ATTR_RW(_nr) \
- LM3533_OUTPUT_ATTR_RW(hvled##_nr, LM3533_ATTR_TYPE_BACKLIGHT, _nr)
-#define LM3533_OUTPUT_LVLED_ATTR_RW(_nr) \
- LM3533_OUTPUT_ATTR_RW(lvled##_nr, LM3533_ATTR_TYPE_LED, _nr)
-/*
- * Output config:
- *
- * output_hvled<nr> 0-1
- * output_lvled<nr> 0-3
- */
-static LM3533_OUTPUT_HVLED_ATTR_RW(1);
-static LM3533_OUTPUT_HVLED_ATTR_RW(2);
-static LM3533_OUTPUT_LVLED_ATTR_RW(1);
-static LM3533_OUTPUT_LVLED_ATTR_RW(2);
-static LM3533_OUTPUT_LVLED_ATTR_RW(3);
-static LM3533_OUTPUT_LVLED_ATTR_RW(4);
-static LM3533_OUTPUT_LVLED_ATTR_RW(5);
-
-static struct attribute *lm3533_attributes[] = {
- &lm3533_dev_attr_output_hvled1.dev_attr.attr,
- &lm3533_dev_attr_output_hvled2.dev_attr.attr,
- &lm3533_dev_attr_output_lvled1.dev_attr.attr,
- &lm3533_dev_attr_output_lvled2.dev_attr.attr,
- &lm3533_dev_attr_output_lvled3.dev_attr.attr,
- &lm3533_dev_attr_output_lvled4.dev_attr.attr,
- &lm3533_dev_attr_output_lvled5.dev_attr.attr,
- NULL,
-};
-
-#define to_dev_attr(_attr) \
- container_of(_attr, struct device_attribute, attr)
-
-static umode_t lm3533_attr_is_visible(struct kobject *kobj,
- struct attribute *attr, int n)
-{
- struct device *dev = kobj_to_dev(kobj);
- struct lm3533 *lm3533 = dev_get_drvdata(dev);
- struct device_attribute *dattr = to_dev_attr(attr);
- struct lm3533_device_attribute *lattr = to_lm3533_dev_attr(dattr);
- enum lm3533_attribute_type type = lattr->type;
- umode_t mode = attr->mode;
-
- if (!lm3533->have_backlights && type == LM3533_ATTR_TYPE_BACKLIGHT)
- mode = 0;
- else if (!lm3533->have_leds && type == LM3533_ATTR_TYPE_LED)
- mode = 0;
-
- return mode;
-};
-
-static struct attribute_group lm3533_attribute_group = {
- .is_visible = lm3533_attr_is_visible,
- .attrs = lm3533_attributes
-};
-
-static int lm3533_device_als_init(struct lm3533 *lm3533)
-{
- struct lm3533_platform_data *pdata = dev_get_platdata(lm3533->dev);
- int ret;
-
- if (!pdata->als)
- return 0;
-
- lm3533_als_devs[0].platform_data = pdata->als;
- lm3533_als_devs[0].pdata_size = sizeof(*pdata->als);
-
- ret = mfd_add_devices(lm3533->dev, 0, lm3533_als_devs, 1, NULL,
- 0, NULL);
- if (ret) {
- dev_err(lm3533->dev, "failed to add ALS device\n");
- return ret;
- }
-
- lm3533->have_als = 1;
-
- return 0;
-}
-
-static int lm3533_device_bl_init(struct lm3533 *lm3533)
-{
- struct lm3533_platform_data *pdata = dev_get_platdata(lm3533->dev);
- int i;
- int ret;
-
- if (!pdata->backlights || pdata->num_backlights == 0)
- return 0;
-
- if (pdata->num_backlights > ARRAY_SIZE(lm3533_bl_devs))
- pdata->num_backlights = ARRAY_SIZE(lm3533_bl_devs);
-
- for (i = 0; i < pdata->num_backlights; ++i) {
- lm3533_bl_devs[i].platform_data = &pdata->backlights[i];
- lm3533_bl_devs[i].pdata_size = sizeof(pdata->backlights[i]);
- }
-
- ret = mfd_add_devices(lm3533->dev, 0, lm3533_bl_devs,
- pdata->num_backlights, NULL, 0, NULL);
- if (ret) {
- dev_err(lm3533->dev, "failed to add backlight devices\n");
- return ret;
- }
-
- lm3533->have_backlights = 1;
-
- return 0;
-}
-
-static int lm3533_device_led_init(struct lm3533 *lm3533)
-{
- struct lm3533_platform_data *pdata = dev_get_platdata(lm3533->dev);
- int i;
- int ret;
-
- if (!pdata->leds || pdata->num_leds == 0)
- return 0;
-
- if (pdata->num_leds > ARRAY_SIZE(lm3533_led_devs))
- pdata->num_leds = ARRAY_SIZE(lm3533_led_devs);
-
- for (i = 0; i < pdata->num_leds; ++i) {
- lm3533_led_devs[i].platform_data = &pdata->leds[i];
- lm3533_led_devs[i].pdata_size = sizeof(pdata->leds[i]);
- }
-
- ret = mfd_add_devices(lm3533->dev, 0, lm3533_led_devs,
- pdata->num_leds, NULL, 0, NULL);
- if (ret) {
- dev_err(lm3533->dev, "failed to add LED devices\n");
- return ret;
- }
-
- lm3533->have_leds = 1;
-
- return 0;
-}
-
-static int lm3533_device_setup(struct lm3533 *lm3533,
- struct lm3533_platform_data *pdata)
-{
- int ret;
-
- ret = lm3533_set_boost_freq(lm3533, pdata->boost_freq);
- if (ret)
- return ret;
-
- return lm3533_set_boost_ovp(lm3533, pdata->boost_ovp);
-}
-
-static int lm3533_device_init(struct lm3533 *lm3533)
-{
- struct lm3533_platform_data *pdata = dev_get_platdata(lm3533->dev);
- int ret;
-
- dev_dbg(lm3533->dev, "%s\n", __func__);
-
- if (!pdata) {
- dev_err(lm3533->dev, "no platform data\n");
- return -EINVAL;
- }
-
- lm3533->gpio_hwen = pdata->gpio_hwen;
-
- if (gpio_is_valid(lm3533->gpio_hwen)) {
- ret = devm_gpio_request_one(lm3533->dev, lm3533->gpio_hwen,
- GPIOF_OUT_INIT_LOW, "lm3533-hwen");
- if (ret < 0) {
- dev_err(lm3533->dev,
- "failed to request HWEN GPIO %d\n",
- lm3533->gpio_hwen);
- return ret;
- }
- }
-
- lm3533_enable(lm3533);
-
- ret = lm3533_device_setup(lm3533, pdata);
- if (ret)
- goto err_disable;
-
- lm3533_device_als_init(lm3533);
- lm3533_device_bl_init(lm3533);
- lm3533_device_led_init(lm3533);
-
- ret = sysfs_create_group(&lm3533->dev->kobj, &lm3533_attribute_group);
- if (ret < 0) {
- dev_err(lm3533->dev, "failed to create sysfs attributes\n");
- goto err_unregister;
- }
-
- return 0;
-
-err_unregister:
- mfd_remove_devices(lm3533->dev);
-err_disable:
- lm3533_disable(lm3533);
-
- return ret;
-}
-
-static void lm3533_device_exit(struct lm3533 *lm3533)
-{
- dev_dbg(lm3533->dev, "%s\n", __func__);
-
- sysfs_remove_group(&lm3533->dev->kobj, &lm3533_attribute_group);
-
- mfd_remove_devices(lm3533->dev);
- lm3533_disable(lm3533);
-}
-
-static bool lm3533_readable_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x10 ... 0x2c:
- case 0x30 ... 0x38:
- case 0x40 ... 0x45:
- case 0x50 ... 0x57:
- case 0x60 ... 0x6e:
- case 0x70 ... 0x75:
- case 0x80 ... 0x85:
- case 0x90 ... 0x95:
- case 0xa0 ... 0xa5:
- case 0xb0 ... 0xb2:
- return true;
- default:
- return false;
- }
-}
-
-static bool lm3533_volatile_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x34 ... 0x36: /* zone */
- case 0x37 ... 0x38: /* adc */
- case 0xb0 ... 0xb1: /* fault */
- return true;
- default:
- return false;
- }
-}
-
-static bool lm3533_precious_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x34: /* zone */
- return true;
- default:
- return false;
- }
-}
-
-static const struct regmap_config regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = LM3533_REG_MAX,
- .readable_reg = lm3533_readable_register,
- .volatile_reg = lm3533_volatile_register,
- .precious_reg = lm3533_precious_register,
-};
-
-static int lm3533_i2c_probe(struct i2c_client *i2c)
-{
- struct lm3533 *lm3533;
-
- dev_dbg(&i2c->dev, "%s\n", __func__);
-
- lm3533 = devm_kzalloc(&i2c->dev, sizeof(*lm3533), GFP_KERNEL);
- if (!lm3533)
- return -ENOMEM;
-
- i2c_set_clientdata(i2c, lm3533);
-
- lm3533->regmap = devm_regmap_init_i2c(i2c, ®map_config);
- if (IS_ERR(lm3533->regmap))
- return PTR_ERR(lm3533->regmap);
-
- lm3533->dev = &i2c->dev;
- lm3533->irq = i2c->irq;
-
- return lm3533_device_init(lm3533);
-}
-
-static void lm3533_i2c_remove(struct i2c_client *i2c)
-{
- struct lm3533 *lm3533 = i2c_get_clientdata(i2c);
-
- dev_dbg(&i2c->dev, "%s\n", __func__);
-
- lm3533_device_exit(lm3533);
-}
-
-static const struct i2c_device_id lm3533_i2c_ids[] = {
- { "lm3533", 0 },
- { },
-};
-MODULE_DEVICE_TABLE(i2c, lm3533_i2c_ids);
-
-static struct i2c_driver lm3533_i2c_driver = {
- .driver = {
- .name = "lm3533",
- },
- .id_table = lm3533_i2c_ids,
- .probe = lm3533_i2c_probe,
- .remove = lm3533_i2c_remove,
-};
-
-static int __init lm3533_i2c_init(void)
-{
- return i2c_add_driver(&lm3533_i2c_driver);
-}
-subsys_initcall(lm3533_i2c_init);
-
-static void __exit lm3533_i2c_exit(void)
-{
- i2c_del_driver(&lm3533_i2c_driver);
-}
-module_exit(lm3533_i2c_exit);
-
-MODULE_AUTHOR("Johan Hovold <jhovold@gmail.com>");
-MODULE_DESCRIPTION("LM3533 Core");
-MODULE_LICENSE("GPL");
deleted file mode 100644
@@ -1,100 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * lm3533.h -- LM3533 interface
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#ifndef __LINUX_MFD_LM3533_H
-#define __LINUX_MFD_LM3533_H
-
-#define LM3533_ATTR_RO(_name) \
- DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL)
-#define LM3533_ATTR_RW(_name) \
- DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name)
-
-struct device;
-struct regmap;
-
-struct lm3533 {
- struct device *dev;
-
- struct regmap *regmap;
-
- int gpio_hwen;
- int irq;
-
- unsigned have_als:1;
- unsigned have_backlights:1;
- unsigned have_leds:1;
-};
-
-struct lm3533_ctrlbank {
- struct lm3533 *lm3533;
- struct device *dev;
- int id;
-};
-
-struct lm3533_als_platform_data {
- unsigned pwm_mode:1; /* PWM input mode (default analog) */
- u8 r_select; /* 1 - 127 (ignored in PWM-mode) */
-};
-
-struct lm3533_bl_platform_data {
- char *name;
- u16 max_current; /* 5000 - 29800 uA (800 uA step) */
- u8 default_brightness; /* 0 - 255 */
- u8 pwm; /* 0 - 0x3f */
-};
-
-struct lm3533_led_platform_data {
- char *name;
- const char *default_trigger;
- u16 max_current; /* 5000 - 29800 uA (800 uA step) */
- u8 pwm; /* 0 - 0x3f */
-};
-
-enum lm3533_boost_freq {
- LM3533_BOOST_FREQ_500KHZ,
- LM3533_BOOST_FREQ_1000KHZ,
-};
-
-enum lm3533_boost_ovp {
- LM3533_BOOST_OVP_16V,
- LM3533_BOOST_OVP_24V,
- LM3533_BOOST_OVP_32V,
- LM3533_BOOST_OVP_40V,
-};
-
-struct lm3533_platform_data {
- int gpio_hwen;
-
- enum lm3533_boost_ovp boost_ovp;
- enum lm3533_boost_freq boost_freq;
-
- struct lm3533_als_platform_data *als;
-
- struct lm3533_bl_platform_data *backlights;
- int num_backlights;
-
- struct lm3533_led_platform_data *leds;
- int num_leds;
-};
-
-extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
-extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
-
-extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
-extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
-extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
- u16 imax);
-extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
-extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
-
-extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
-extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
-extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
-
-#endif /* __LINUX_MFD_LM3533_H */
The driver has no in kernel users and requires a board file to be instantiated. Remove basically a dead code. If ever needed, it can be reinstantiated and converted to one that uses firmware node interfaces. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/mfd/lm3533-core.c | 645 ------------------------------------- include/linux/mfd/lm3533.h | 100 ------ 2 files changed, 745 deletions(-) delete mode 100644 drivers/mfd/lm3533-core.c delete mode 100644 include/linux/mfd/lm3533.h