From: Arnd Bergmann <arnd@kernel.org>
To: Lee Jones <lee@kernel.org>, mfd@lists.linux.dev
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Arnd Bergmann <arnd@arndb.de>,
Daniel Thompson <danielt@kernel.org>,
Jingoo Han <jingoohan1@gmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Guenter Roeck <linux@roeck-us.net>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Jonathan Cameron <jic23@kernel.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Pavel Machek <pavel@kernel.org>,
Michael Hennerich <michael.hennerich@analog.com>,
Support Opensource <support.opensource@diasemi.com>,
Sebastian Reichel <sre@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Helge Deller <deller@gmx.de>,
dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-hwmon@vger.kernel.org, patches@opensource.cirrus.com,
linux-watchdog@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-iio@vger.kernel.org, linux-input@vger.kernel.org,
linux-leds@vger.kernel.org, linux-pm@vger.kernel.org,
linux-rtc@vger.kernel.org, linux-fbdev@vger.kernel.org,
linux-sound@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
llvm@lists.linux.dev
Subject: [PATCH 09/14] mfd: remove unused lm3533 driver
Date: Wed, 9 Sep 2026 15:21:46 +0200 [thread overview]
Message-ID: <20260909132153.1596191-10-arnd@kernel.org> (raw)
In-Reply-To: <20260909132153.1596191-1-arnd@kernel.org>
From: Arnd Bergmann <arnd@arndb.de>
This driver has apparently never had any users, as it does not support
devicetree probing, and no lm3533_platform_data definition ever
existed upstream.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/iio/light/Kconfig | 17 -
drivers/iio/light/Makefile | 1 -
drivers/iio/light/lm3533-als.c | 922 ----------------------------
drivers/leds/Kconfig | 13 -
drivers/leds/Makefile | 1 -
drivers/leds/leds-lm3533.c | 755 -----------------------
drivers/mfd/Kconfig | 13 -
drivers/mfd/Makefile | 1 -
drivers/mfd/lm3533-core.c | 635 -------------------
drivers/mfd/lm3533-ctrlbank.c | 162 -----
drivers/video/backlight/Kconfig | 11 -
drivers/video/backlight/Makefile | 1 -
drivers/video/backlight/lm3533_bl.c | 398 ------------
include/linux/mfd/lm3533.h | 99 ---
14 files changed, 3029 deletions(-)
delete mode 100644 drivers/iio/light/lm3533-als.c
delete mode 100644 drivers/leds/leds-lm3533.c
delete mode 100644 drivers/mfd/lm3533-core.c
delete mode 100644 drivers/mfd/lm3533-ctrlbank.c
delete mode 100644 drivers/video/backlight/lm3533_bl.c
delete mode 100644 include/linux/mfd/lm3533.h
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index f23bbce12c72..afef3d25e6ed 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -394,23 +394,6 @@ config RPR0521
To compile this driver as a module, choose M here:
the module will be called rpr0521.
-config SENSORS_LM3533
- tristate "LM3533 ambient light sensor"
- depends on MFD_LM3533
- help
- If you say yes here you get support for the ambient light sensor
- interface on National Semiconductor / TI LM3533 Lighting Power
- chips.
-
- The sensor interface can be used to control the LEDs and backlights
- of the chip through defining five light zones and three sets of
- corresponding output-current values.
-
- The driver provides raw and mean adc readings along with the current
- light zone through sysfs. A threshold event can be generated on zone
- changes. The ALS-control output values can be set per zone for the
- three current output channels.
-
config LTR390
tristate "LTR-390UV-01 ambient light and UV sensor"
depends on I2C
diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
index 64e354c49ed8..7b9de7c83999 100644
--- a/drivers/iio/light/Makefile
+++ b/drivers/iio/light/Makefile
@@ -35,7 +35,6 @@ obj-$(CONFIG_SENSORS_ISL29028) += isl29028.o
obj-$(CONFIG_ISL29125) += isl29125.o
obj-$(CONFIG_ISL76682) += isl76682.o
obj-$(CONFIG_JSA1212) += jsa1212.o
-obj-$(CONFIG_SENSORS_LM3533) += lm3533-als.o
obj-$(CONFIG_LTR390) += ltr390.o
obj-$(CONFIG_LTR501) += ltr501.o
obj-$(CONFIG_LTRF216A) += ltrf216a.o
diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
deleted file mode 100644
index 99f0b903018c..000000000000
--- a/drivers/iio/light/lm3533-als.c
+++ /dev/null
@@ -1,922 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * lm3533-als.c -- LM3533 Ambient Light Sensor driver
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#include <linux/atomic.h>
-#include <linux/fs.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/iio/events.h>
-#include <linux/iio/iio.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/mfd/core.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-
-#include <linux/mfd/lm3533.h>
-
-
-#define LM3533_ALS_RESISTOR_MIN 1
-#define LM3533_ALS_RESISTOR_MAX 127
-#define LM3533_ALS_CHANNEL_CURRENT_MAX 2
-#define LM3533_ALS_THRESH_MAX 3
-#define LM3533_ALS_ZONE_MAX 4
-
-#define LM3533_REG_ALS_RESISTOR_SELECT 0x30
-#define LM3533_REG_ALS_CONF 0x31
-#define LM3533_REG_ALS_ZONE_INFO 0x34
-#define LM3533_REG_ALS_READ_ADC_RAW 0x37
-#define LM3533_REG_ALS_READ_ADC_AVERAGE 0x38
-#define LM3533_REG_ALS_BOUNDARY_BASE 0x50
-#define LM3533_REG_ALS_TARGET_BASE 0x60
-
-#define LM3533_ALS_ENABLE_MASK 0x01
-#define LM3533_ALS_INPUT_MODE_MASK 0x02
-#define LM3533_ALS_INT_ENABLE_MASK 0x01
-
-#define LM3533_ALS_ZONE_SHIFT 2
-#define LM3533_ALS_ZONE_MASK 0x1c
-
-#define LM3533_ALS_FLAG_INT_ENABLED 1
-
-
-struct lm3533_als {
- struct lm3533 *lm3533;
- struct platform_device *pdev;
-
- unsigned long flags;
- int irq;
-
- atomic_t zone;
- struct mutex thresh_mutex;
-};
-
-
-static int lm3533_als_get_adc(struct iio_dev *indio_dev, bool average,
- int *adc)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 reg;
- u8 val;
- int ret;
-
- if (average)
- reg = LM3533_REG_ALS_READ_ADC_AVERAGE;
- else
- reg = LM3533_REG_ALS_READ_ADC_RAW;
-
- ret = lm3533_read(als->lm3533, reg, &val);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to read adc\n");
- return ret;
- }
-
- *adc = val;
-
- return 0;
-}
-
-static int _lm3533_als_get_zone(struct iio_dev *indio_dev, u8 *zone)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 val;
- int ret;
-
- ret = lm3533_read(als->lm3533, LM3533_REG_ALS_ZONE_INFO, &val);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to read zone\n");
- return ret;
- }
-
- val = (val & LM3533_ALS_ZONE_MASK) >> LM3533_ALS_ZONE_SHIFT;
- *zone = min_t(u8, val, LM3533_ALS_ZONE_MAX);
-
- return 0;
-}
-
-static int lm3533_als_get_zone(struct iio_dev *indio_dev, u8 *zone)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- int ret;
-
- if (test_bit(LM3533_ALS_FLAG_INT_ENABLED, &als->flags)) {
- *zone = atomic_read(&als->zone);
- } else {
- ret = _lm3533_als_get_zone(indio_dev, zone);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-/*
- * channel output channel 0..2
- * zone zone 0..4
- */
-static inline u8 lm3533_als_get_target_reg(unsigned channel, unsigned zone)
-{
- return LM3533_REG_ALS_TARGET_BASE + 5 * channel + zone;
-}
-
-static int lm3533_als_get_target(struct iio_dev *indio_dev, unsigned channel,
- unsigned zone, u8 *val)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 reg;
- int ret;
-
- if (channel > LM3533_ALS_CHANNEL_CURRENT_MAX)
- return -EINVAL;
-
- if (zone > LM3533_ALS_ZONE_MAX)
- return -EINVAL;
-
- reg = lm3533_als_get_target_reg(channel, zone);
- ret = lm3533_read(als->lm3533, reg, val);
- if (ret)
- dev_err(&indio_dev->dev, "failed to get target current\n");
-
- return ret;
-}
-
-static int lm3533_als_set_target(struct iio_dev *indio_dev, unsigned channel,
- unsigned zone, u8 val)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 reg;
- int ret;
-
- if (channel > LM3533_ALS_CHANNEL_CURRENT_MAX)
- return -EINVAL;
-
- if (zone > LM3533_ALS_ZONE_MAX)
- return -EINVAL;
-
- reg = lm3533_als_get_target_reg(channel, zone);
- ret = lm3533_write(als->lm3533, reg, val);
- if (ret)
- dev_err(&indio_dev->dev, "failed to set target current\n");
-
- return ret;
-}
-
-static int lm3533_als_get_current(struct iio_dev *indio_dev, unsigned channel,
- int *val)
-{
- u8 zone;
- u8 target;
- int ret;
-
- ret = lm3533_als_get_zone(indio_dev, &zone);
- if (ret)
- return ret;
-
- ret = lm3533_als_get_target(indio_dev, channel, zone, &target);
- if (ret)
- return ret;
-
- *val = target;
-
- return 0;
-}
-
-static int lm3533_als_read_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int *val, int *val2, long mask)
-{
- int ret;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- switch (chan->type) {
- case IIO_LIGHT:
- ret = lm3533_als_get_adc(indio_dev, false, val);
- break;
- case IIO_CURRENT:
- ret = lm3533_als_get_current(indio_dev, chan->channel,
- val);
- break;
- default:
- return -EINVAL;
- }
- break;
- case IIO_CHAN_INFO_AVERAGE_RAW:
- ret = lm3533_als_get_adc(indio_dev, true, val);
- break;
- default:
- return -EINVAL;
- }
-
- if (ret)
- return ret;
-
- return IIO_VAL_INT;
-}
-
-#define CHANNEL_CURRENT(_channel) \
- { \
- .type = IIO_CURRENT, \
- .channel = _channel, \
- .indexed = true, \
- .output = true, \
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
- }
-
-static const struct iio_chan_spec lm3533_als_channels[] = {
- {
- .type = IIO_LIGHT,
- .channel = 0,
- .indexed = true,
- .info_mask_separate = BIT(IIO_CHAN_INFO_AVERAGE_RAW) |
- BIT(IIO_CHAN_INFO_RAW),
- },
- CHANNEL_CURRENT(0),
- CHANNEL_CURRENT(1),
- CHANNEL_CURRENT(2),
-};
-
-static irqreturn_t lm3533_als_isr(int irq, void *dev_id)
-{
-
- struct iio_dev *indio_dev = dev_id;
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 zone;
- int ret;
-
- /* Clear interrupt by reading the ALS zone register. */
- ret = _lm3533_als_get_zone(indio_dev, &zone);
- if (ret)
- goto out;
-
- atomic_set(&als->zone, zone);
-
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(IIO_LIGHT,
- 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_EITHER),
- iio_get_time_ns(indio_dev));
-out:
- return IRQ_HANDLED;
-}
-
-static int lm3533_als_set_int_mode(struct iio_dev *indio_dev, int enable)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 mask = LM3533_ALS_INT_ENABLE_MASK;
- u8 val;
- int ret;
-
- if (enable)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(als->lm3533, LM3533_REG_ALS_ZONE_INFO, val, mask);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to set int mode %d\n",
- enable);
- return ret;
- }
-
- return 0;
-}
-
-static int lm3533_als_get_int_mode(struct iio_dev *indio_dev, int *enable)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 mask = LM3533_ALS_INT_ENABLE_MASK;
- u8 val;
- int ret;
-
- ret = lm3533_read(als->lm3533, LM3533_REG_ALS_ZONE_INFO, &val);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to get int mode\n");
- return ret;
- }
-
- *enable = !!(val & mask);
-
- return 0;
-}
-
-static inline u8 lm3533_als_get_threshold_reg(unsigned nr, bool raising)
-{
- u8 offset = !raising;
-
- return LM3533_REG_ALS_BOUNDARY_BASE + 2 * nr + offset;
-}
-
-static int lm3533_als_get_threshold(struct iio_dev *indio_dev, unsigned nr,
- bool raising, u8 *val)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 reg;
- int ret;
-
- if (nr > LM3533_ALS_THRESH_MAX)
- return -EINVAL;
-
- reg = lm3533_als_get_threshold_reg(nr, raising);
- ret = lm3533_read(als->lm3533, reg, val);
- if (ret)
- dev_err(&indio_dev->dev, "failed to get threshold\n");
-
- return ret;
-}
-
-static int lm3533_als_set_threshold(struct iio_dev *indio_dev, unsigned nr,
- bool raising, u8 val)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 val2;
- u8 reg, reg2;
- int ret;
-
- if (nr > LM3533_ALS_THRESH_MAX)
- return -EINVAL;
-
- reg = lm3533_als_get_threshold_reg(nr, raising);
- reg2 = lm3533_als_get_threshold_reg(nr, !raising);
-
- mutex_lock(&als->thresh_mutex);
- ret = lm3533_read(als->lm3533, reg2, &val2);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to get threshold\n");
- goto out;
- }
- /*
- * This device does not allow negative hysteresis (in fact, it uses
- * whichever value is smaller as the lower bound) so we need to make
- * sure that thresh_falling <= thresh_raising.
- */
- if ((raising && (val < val2)) || (!raising && (val > val2))) {
- ret = -EINVAL;
- goto out;
- }
-
- ret = lm3533_write(als->lm3533, reg, val);
- if (ret) {
- dev_err(&indio_dev->dev, "failed to set threshold\n");
- goto out;
- }
-out:
- mutex_unlock(&als->thresh_mutex);
-
- return ret;
-}
-
-static int lm3533_als_get_hysteresis(struct iio_dev *indio_dev, unsigned nr,
- u8 *val)
-{
- struct lm3533_als *als = iio_priv(indio_dev);
- u8 falling;
- u8 raising;
- int ret;
-
- if (nr > LM3533_ALS_THRESH_MAX)
- return -EINVAL;
-
- mutex_lock(&als->thresh_mutex);
- ret = lm3533_als_get_threshold(indio_dev, nr, false, &falling);
- if (ret)
- goto out;
- ret = lm3533_als_get_threshold(indio_dev, nr, true, &raising);
- if (ret)
- goto out;
-
- *val = raising - falling;
-out:
- mutex_unlock(&als->thresh_mutex);
-
- return ret;
-}
-
-static ssize_t show_thresh_either_en(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct lm3533_als *als = iio_priv(indio_dev);
- int enable;
- int ret;
-
- if (als->irq) {
- ret = lm3533_als_get_int_mode(indio_dev, &enable);
- if (ret)
- return ret;
- } else {
- enable = 0;
- }
-
- return sysfs_emit(buf, "%u\n", enable);
-}
-
-static ssize_t store_thresh_either_en(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct lm3533_als *als = iio_priv(indio_dev);
- unsigned long enable;
- bool int_enabled;
- u8 zone;
- int ret;
-
- if (!als->irq)
- return -EBUSY;
-
- if (kstrtoul(buf, 0, &enable))
- return -EINVAL;
-
- int_enabled = test_bit(LM3533_ALS_FLAG_INT_ENABLED, &als->flags);
-
- if (enable && !int_enabled) {
- ret = lm3533_als_get_zone(indio_dev, &zone);
- if (ret)
- return ret;
-
- atomic_set(&als->zone, zone);
-
- set_bit(LM3533_ALS_FLAG_INT_ENABLED, &als->flags);
- }
-
- ret = lm3533_als_set_int_mode(indio_dev, enable);
- if (ret) {
- if (!int_enabled)
- clear_bit(LM3533_ALS_FLAG_INT_ENABLED, &als->flags);
-
- return ret;
- }
-
- if (!enable)
- clear_bit(LM3533_ALS_FLAG_INT_ENABLED, &als->flags);
-
- return len;
-}
-
-static ssize_t show_zone(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- u8 zone;
- int ret;
-
- ret = lm3533_als_get_zone(indio_dev, &zone);
- if (ret)
- return ret;
-
- return sysfs_emit(buf, "%u\n", zone);
-}
-
-enum lm3533_als_attribute_type {
- LM3533_ATTR_TYPE_HYSTERESIS,
- LM3533_ATTR_TYPE_TARGET,
- LM3533_ATTR_TYPE_THRESH_FALLING,
- LM3533_ATTR_TYPE_THRESH_RAISING,
-};
-
-struct lm3533_als_attribute {
- struct device_attribute dev_attr;
- enum lm3533_als_attribute_type type;
- u8 val1;
- u8 val2;
-};
-
-static inline struct lm3533_als_attribute *
-to_lm3533_als_attr(struct device_attribute *attr)
-{
- return container_of(attr, struct lm3533_als_attribute, dev_attr);
-}
-
-static ssize_t show_als_attr(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct lm3533_als_attribute *als_attr = to_lm3533_als_attr(attr);
- u8 val;
- int ret;
-
- switch (als_attr->type) {
- case LM3533_ATTR_TYPE_HYSTERESIS:
- ret = lm3533_als_get_hysteresis(indio_dev, als_attr->val1,
- &val);
- break;
- case LM3533_ATTR_TYPE_TARGET:
- ret = lm3533_als_get_target(indio_dev, als_attr->val1,
- als_attr->val2, &val);
- break;
- case LM3533_ATTR_TYPE_THRESH_FALLING:
- ret = lm3533_als_get_threshold(indio_dev, als_attr->val1,
- false, &val);
- break;
- case LM3533_ATTR_TYPE_THRESH_RAISING:
- ret = lm3533_als_get_threshold(indio_dev, als_attr->val1,
- true, &val);
- break;
- default:
- ret = -ENXIO;
- }
-
- if (ret)
- return ret;
-
- return sysfs_emit(buf, "%u\n", val);
-}
-
-static ssize_t store_als_attr(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct lm3533_als_attribute *als_attr = to_lm3533_als_attr(attr);
- u8 val;
- int ret;
-
- if (kstrtou8(buf, 0, &val))
- return -EINVAL;
-
- switch (als_attr->type) {
- case LM3533_ATTR_TYPE_TARGET:
- ret = lm3533_als_set_target(indio_dev, als_attr->val1,
- als_attr->val2, val);
- break;
- case LM3533_ATTR_TYPE_THRESH_FALLING:
- ret = lm3533_als_set_threshold(indio_dev, als_attr->val1,
- false, val);
- break;
- case LM3533_ATTR_TYPE_THRESH_RAISING:
- ret = lm3533_als_set_threshold(indio_dev, als_attr->val1,
- true, val);
- break;
- default:
- ret = -ENXIO;
- }
-
- if (ret)
- return ret;
-
- return len;
-}
-
-#define ALS_ATTR(_name, _mode, _show, _store, _type, _val1, _val2) \
- { .dev_attr = __ATTR(_name, _mode, _show, _store), \
- .type = _type, \
- .val1 = _val1, \
- .val2 = _val2 }
-
-#define LM3533_ALS_ATTR(_name, _mode, _show, _store, _type, _val1, _val2) \
- struct lm3533_als_attribute lm3533_als_attr_##_name = \
- ALS_ATTR(_name, _mode, _show, _store, _type, _val1, _val2)
-
-#define ALS_TARGET_ATTR_RW(_channel, _zone) \
- LM3533_ALS_ATTR(out_current##_channel##_current##_zone##_raw, \
- S_IRUGO | S_IWUSR, \
- show_als_attr, store_als_attr, \
- LM3533_ATTR_TYPE_TARGET, _channel, _zone)
-/*
- * ALS output current values (ALS mapper targets)
- *
- * out_current[0-2]_current[0-4]_raw 0-255
- */
-static ALS_TARGET_ATTR_RW(0, 0);
-static ALS_TARGET_ATTR_RW(0, 1);
-static ALS_TARGET_ATTR_RW(0, 2);
-static ALS_TARGET_ATTR_RW(0, 3);
-static ALS_TARGET_ATTR_RW(0, 4);
-
-static ALS_TARGET_ATTR_RW(1, 0);
-static ALS_TARGET_ATTR_RW(1, 1);
-static ALS_TARGET_ATTR_RW(1, 2);
-static ALS_TARGET_ATTR_RW(1, 3);
-static ALS_TARGET_ATTR_RW(1, 4);
-
-static ALS_TARGET_ATTR_RW(2, 0);
-static ALS_TARGET_ATTR_RW(2, 1);
-static ALS_TARGET_ATTR_RW(2, 2);
-static ALS_TARGET_ATTR_RW(2, 3);
-static ALS_TARGET_ATTR_RW(2, 4);
-
-#define ALS_THRESH_FALLING_ATTR_RW(_nr) \
- LM3533_ALS_ATTR(in_illuminance0_thresh##_nr##_falling_value, \
- S_IRUGO | S_IWUSR, \
- show_als_attr, store_als_attr, \
- LM3533_ATTR_TYPE_THRESH_FALLING, _nr, 0)
-
-#define ALS_THRESH_RAISING_ATTR_RW(_nr) \
- LM3533_ALS_ATTR(in_illuminance0_thresh##_nr##_raising_value, \
- S_IRUGO | S_IWUSR, \
- show_als_attr, store_als_attr, \
- LM3533_ATTR_TYPE_THRESH_RAISING, _nr, 0)
-/*
- * ALS Zone thresholds (boundaries)
- *
- * in_illuminance0_thresh[0-3]_falling_value 0-255
- * in_illuminance0_thresh[0-3]_raising_value 0-255
- */
-static ALS_THRESH_FALLING_ATTR_RW(0);
-static ALS_THRESH_FALLING_ATTR_RW(1);
-static ALS_THRESH_FALLING_ATTR_RW(2);
-static ALS_THRESH_FALLING_ATTR_RW(3);
-
-static ALS_THRESH_RAISING_ATTR_RW(0);
-static ALS_THRESH_RAISING_ATTR_RW(1);
-static ALS_THRESH_RAISING_ATTR_RW(2);
-static ALS_THRESH_RAISING_ATTR_RW(3);
-
-#define ALS_HYSTERESIS_ATTR_RO(_nr) \
- LM3533_ALS_ATTR(in_illuminance0_thresh##_nr##_hysteresis, \
- S_IRUGO, show_als_attr, NULL, \
- LM3533_ATTR_TYPE_HYSTERESIS, _nr, 0)
-/*
- * ALS Zone threshold hysteresis
- *
- * threshY_hysteresis = threshY_raising - threshY_falling
- *
- * in_illuminance0_thresh[0-3]_hysteresis 0-255
- * in_illuminance0_thresh[0-3]_hysteresis 0-255
- */
-static ALS_HYSTERESIS_ATTR_RO(0);
-static ALS_HYSTERESIS_ATTR_RO(1);
-static ALS_HYSTERESIS_ATTR_RO(2);
-static ALS_HYSTERESIS_ATTR_RO(3);
-
-#define ILLUMINANCE_ATTR_RO(_name) \
- DEVICE_ATTR(in_illuminance0_##_name, S_IRUGO, show_##_name, NULL)
-#define ILLUMINANCE_ATTR_RW(_name) \
- DEVICE_ATTR(in_illuminance0_##_name, S_IRUGO | S_IWUSR, \
- show_##_name, store_##_name)
-/*
- * ALS Zone threshold-event enable
- *
- * in_illuminance0_thresh_either_en 0,1
- */
-static ILLUMINANCE_ATTR_RW(thresh_either_en);
-
-/*
- * ALS Current Zone
- *
- * in_illuminance0_zone 0-4
- */
-static ILLUMINANCE_ATTR_RO(zone);
-
-static struct attribute *lm3533_als_event_attributes[] = {
- &dev_attr_in_illuminance0_thresh_either_en.attr,
- &lm3533_als_attr_in_illuminance0_thresh0_falling_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh0_hysteresis.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh0_raising_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh1_falling_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh1_hysteresis.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh1_raising_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh2_falling_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh2_hysteresis.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh2_raising_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh3_falling_value.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh3_hysteresis.dev_attr.attr,
- &lm3533_als_attr_in_illuminance0_thresh3_raising_value.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group lm3533_als_event_attribute_group = {
- .attrs = lm3533_als_event_attributes
-};
-
-static struct attribute *lm3533_als_attributes[] = {
- &dev_attr_in_illuminance0_zone.attr,
- &lm3533_als_attr_out_current0_current0_raw.dev_attr.attr,
- &lm3533_als_attr_out_current0_current1_raw.dev_attr.attr,
- &lm3533_als_attr_out_current0_current2_raw.dev_attr.attr,
- &lm3533_als_attr_out_current0_current3_raw.dev_attr.attr,
- &lm3533_als_attr_out_current0_current4_raw.dev_attr.attr,
- &lm3533_als_attr_out_current1_current0_raw.dev_attr.attr,
- &lm3533_als_attr_out_current1_current1_raw.dev_attr.attr,
- &lm3533_als_attr_out_current1_current2_raw.dev_attr.attr,
- &lm3533_als_attr_out_current1_current3_raw.dev_attr.attr,
- &lm3533_als_attr_out_current1_current4_raw.dev_attr.attr,
- &lm3533_als_attr_out_current2_current0_raw.dev_attr.attr,
- &lm3533_als_attr_out_current2_current1_raw.dev_attr.attr,
- &lm3533_als_attr_out_current2_current2_raw.dev_attr.attr,
- &lm3533_als_attr_out_current2_current3_raw.dev_attr.attr,
- &lm3533_als_attr_out_current2_current4_raw.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group lm3533_als_attribute_group = {
- .attrs = lm3533_als_attributes
-};
-
-static int lm3533_als_set_input_mode(struct lm3533_als *als, bool pwm_mode)
-{
- u8 mask = LM3533_ALS_INPUT_MODE_MASK;
- u8 val;
- int ret;
-
- if (pwm_mode)
- val = mask; /* pwm input */
- else
- val = 0; /* analog input */
-
- ret = lm3533_update(als->lm3533, LM3533_REG_ALS_CONF, val, mask);
- if (ret) {
- dev_err(&als->pdev->dev, "failed to set input mode %d\n",
- pwm_mode);
- return ret;
- }
-
- return 0;
-}
-
-static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
-{
- int ret;
-
- if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX) {
- dev_err(&als->pdev->dev, "invalid resistor value\n");
- return -EINVAL;
- }
-
- ret = lm3533_write(als->lm3533, LM3533_REG_ALS_RESISTOR_SELECT, val);
- if (ret) {
- dev_err(&als->pdev->dev, "failed to set resistor\n");
- return ret;
- }
-
- return 0;
-}
-
-static int lm3533_als_setup(struct lm3533_als *als,
- const struct lm3533_als_platform_data *pdata)
-{
- int ret;
-
- ret = lm3533_als_set_input_mode(als, pdata->pwm_mode);
- if (ret)
- return ret;
-
- /* ALS input is always high impedance in PWM-mode. */
- if (!pdata->pwm_mode) {
- ret = lm3533_als_set_resistor(als, pdata->r_select);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static int lm3533_als_setup_irq(struct lm3533_als *als, void *dev)
-{
- u8 mask = LM3533_ALS_INT_ENABLE_MASK;
- int ret;
-
- /* Make sure interrupts are disabled. */
- ret = lm3533_update(als->lm3533, LM3533_REG_ALS_ZONE_INFO, 0, mask);
- if (ret) {
- dev_err(&als->pdev->dev, "failed to disable interrupts\n");
- return ret;
- }
-
- ret = request_threaded_irq(als->irq, NULL, lm3533_als_isr,
- IRQF_TRIGGER_LOW | IRQF_ONESHOT,
- dev_name(&als->pdev->dev), dev);
- if (ret) {
- dev_err(&als->pdev->dev, "failed to request irq %d\n",
- als->irq);
- return ret;
- }
-
- return 0;
-}
-
-static int lm3533_als_enable(struct lm3533_als *als)
-{
- u8 mask = LM3533_ALS_ENABLE_MASK;
- int ret;
-
- ret = lm3533_update(als->lm3533, LM3533_REG_ALS_CONF, mask, mask);
- if (ret)
- dev_err(&als->pdev->dev, "failed to enable ALS\n");
-
- return ret;
-}
-
-static int lm3533_als_disable(struct lm3533_als *als)
-{
- u8 mask = LM3533_ALS_ENABLE_MASK;
- int ret;
-
- ret = lm3533_update(als->lm3533, LM3533_REG_ALS_CONF, 0, mask);
- if (ret)
- dev_err(&als->pdev->dev, "failed to disable ALS\n");
-
- return ret;
-}
-
-static const struct iio_info lm3533_als_info = {
- .attrs = &lm3533_als_attribute_group,
- .event_attrs = &lm3533_als_event_attribute_group,
- .read_raw = &lm3533_als_read_raw,
-};
-
-static int lm3533_als_probe(struct platform_device *pdev)
-{
- const struct lm3533_als_platform_data *pdata;
- struct lm3533 *lm3533;
- struct lm3533_als *als;
- struct iio_dev *indio_dev;
- int ret;
-
- lm3533 = dev_get_drvdata(pdev->dev.parent);
- if (!lm3533)
- return -EINVAL;
-
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data\n");
- return -EINVAL;
- }
-
- indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*als));
- if (!indio_dev)
- return -ENOMEM;
-
- indio_dev->info = &lm3533_als_info;
- indio_dev->channels = lm3533_als_channels;
- indio_dev->num_channels = ARRAY_SIZE(lm3533_als_channels);
- indio_dev->name = dev_name(&pdev->dev);
- iio_device_set_parent(indio_dev, pdev->dev.parent);
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- als = iio_priv(indio_dev);
- als->lm3533 = lm3533;
- als->pdev = pdev;
- als->irq = lm3533->irq;
- atomic_set(&als->zone, 0);
- mutex_init(&als->thresh_mutex);
-
- platform_set_drvdata(pdev, indio_dev);
-
- if (als->irq) {
- ret = lm3533_als_setup_irq(als, indio_dev);
- if (ret)
- return ret;
- }
-
- ret = lm3533_als_setup(als, pdata);
- if (ret)
- goto err_free_irq;
-
- ret = lm3533_als_enable(als);
- if (ret)
- goto err_free_irq;
-
- ret = iio_device_register(indio_dev);
- if (ret) {
- dev_err(&pdev->dev, "failed to register ALS\n");
- goto err_disable;
- }
-
- return 0;
-
-err_disable:
- lm3533_als_disable(als);
-err_free_irq:
- if (als->irq)
- free_irq(als->irq, indio_dev);
-
- return ret;
-}
-
-static void lm3533_als_remove(struct platform_device *pdev)
-{
- struct iio_dev *indio_dev = platform_get_drvdata(pdev);
- struct lm3533_als *als = iio_priv(indio_dev);
-
- lm3533_als_set_int_mode(indio_dev, false);
- iio_device_unregister(indio_dev);
- lm3533_als_disable(als);
- if (als->irq)
- free_irq(als->irq, indio_dev);
-}
-
-static struct platform_driver lm3533_als_driver = {
- .driver = {
- .name = "lm3533-als",
- },
- .probe = lm3533_als_probe,
- .remove = lm3533_als_remove,
-};
-module_platform_driver(lm3533_als_driver);
-
-MODULE_AUTHOR("Johan Hovold <jhovold@gmail.com>");
-MODULE_DESCRIPTION("LM3533 Ambient Light Sensor driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:lm3533-als");
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index f0cd10ad6279..1a0663a6501c 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -262,19 +262,6 @@ config LEDS_LM3532
controlled manually or using PWM input or using ambient
light automatically.
-config LEDS_LM3533
- tristate "LED support for LM3533"
- depends on LEDS_CLASS
- depends on MFD_LM3533
- help
- This option enables support for the LEDs on National Semiconductor /
- TI LM3533 Lighting Power chips.
-
- The LEDs can be controlled directly, through PWM input, or by the
- ambient-light-sensor interface. The chip supports
- hardware-accelerated blinking with maximum on and off periods of 9.8
- and 77 seconds respectively.
-
config LEDS_LM3642
tristate "LED support for LM3642 Chip"
depends on LEDS_CLASS && I2C
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 63dc0b0c5a51..b989803bedb9 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -39,7 +39,6 @@ obj-$(CONFIG_LEDS_IS31FL319X) += leds-is31fl319x.o
obj-$(CONFIG_LEDS_IS31FL32XX) += leds-is31fl32xx.o
obj-$(CONFIG_LEDS_LM3530) += leds-lm3530.o
obj-$(CONFIG_LEDS_LM3532) += leds-lm3532.o
-obj-$(CONFIG_LEDS_LM3533) += leds-lm3533.o
obj-$(CONFIG_LEDS_LM355x) += leds-lm355x.o
obj-$(CONFIG_LEDS_LM36274) += leds-lm36274.o
obj-$(CONFIG_LEDS_LM3642) += leds-lm3642.o
diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
deleted file mode 100644
index 45795f2a1042..000000000000
--- a/drivers/leds/leds-lm3533.c
+++ /dev/null
@@ -1,755 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * leds-lm3533.c -- LM3533 LED driver
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/leds.h>
-#include <linux/mfd/core.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include <linux/mfd/lm3533.h>
-
-
-#define LM3533_LVCTRLBANK_MIN 2
-#define LM3533_LVCTRLBANK_MAX 5
-#define LM3533_LVCTRLBANK_COUNT 4
-#define LM3533_RISEFALLTIME_MAX 7
-#define LM3533_ALS_CHANNEL_LV_MIN 1
-#define LM3533_ALS_CHANNEL_LV_MAX 2
-
-#define LM3533_REG_CTRLBANK_BCONF_BASE 0x1b
-#define LM3533_REG_PATTERN_ENABLE 0x28
-#define LM3533_REG_PATTERN_LOW_TIME_BASE 0x71
-#define LM3533_REG_PATTERN_HIGH_TIME_BASE 0x72
-#define LM3533_REG_PATTERN_RISETIME_BASE 0x74
-#define LM3533_REG_PATTERN_FALLTIME_BASE 0x75
-
-#define LM3533_REG_PATTERN_STEP 0x10
-
-#define LM3533_REG_CTRLBANK_BCONF_MAPPING_MASK 0x04
-#define LM3533_REG_CTRLBANK_BCONF_ALS_EN_MASK 0x02
-#define LM3533_REG_CTRLBANK_BCONF_ALS_CHANNEL_MASK 0x01
-
-#define LM3533_LED_FLAG_PATTERN_ENABLE 1
-
-
-struct lm3533_led {
- struct lm3533 *lm3533;
- struct lm3533_ctrlbank cb;
- struct led_classdev cdev;
- int id;
-
- struct mutex mutex;
- unsigned long flags;
-};
-
-
-static inline struct lm3533_led *to_lm3533_led(struct led_classdev *cdev)
-{
- return container_of(cdev, struct lm3533_led, cdev);
-}
-
-static inline int lm3533_led_get_ctrlbank_id(struct lm3533_led *led)
-{
- return led->id + 2;
-}
-
-static inline u8 lm3533_led_get_lv_reg(struct lm3533_led *led, u8 base)
-{
- return base + led->id;
-}
-
-static inline u8 lm3533_led_get_pattern(struct lm3533_led *led)
-{
- return led->id;
-}
-
-static inline u8 lm3533_led_get_pattern_reg(struct lm3533_led *led,
- u8 base)
-{
- return base + lm3533_led_get_pattern(led) * LM3533_REG_PATTERN_STEP;
-}
-
-static int lm3533_led_pattern_enable(struct lm3533_led *led, int enable)
-{
- u8 mask;
- u8 val;
- int pattern;
- int state;
- int ret = 0;
-
- dev_dbg(led->cdev.dev, "%s - %d\n", __func__, enable);
-
- mutex_lock(&led->mutex);
-
- state = test_bit(LM3533_LED_FLAG_PATTERN_ENABLE, &led->flags);
- if ((enable && state) || (!enable && !state))
- goto out;
-
- pattern = lm3533_led_get_pattern(led);
- mask = 1 << (2 * pattern);
-
- if (enable)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(led->lm3533, LM3533_REG_PATTERN_ENABLE, val, mask);
- if (ret) {
- dev_err(led->cdev.dev, "failed to enable pattern %d (%d)\n",
- pattern, enable);
- goto out;
- }
-
- __change_bit(LM3533_LED_FLAG_PATTERN_ENABLE, &led->flags);
-out:
- mutex_unlock(&led->mutex);
-
- return ret;
-}
-
-static int lm3533_led_set(struct led_classdev *cdev,
- enum led_brightness value)
-{
- struct lm3533_led *led = to_lm3533_led(cdev);
-
- dev_dbg(led->cdev.dev, "%s - %d\n", __func__, value);
-
- if (value == 0)
- lm3533_led_pattern_enable(led, 0); /* disable blink */
-
- return lm3533_ctrlbank_set_brightness(&led->cb, value);
-}
-
-static enum led_brightness lm3533_led_get(struct led_classdev *cdev)
-{
- struct lm3533_led *led = to_lm3533_led(cdev);
- u8 val;
- int ret;
-
- ret = lm3533_ctrlbank_get_brightness(&led->cb, &val);
- if (ret)
- return ret;
-
- dev_dbg(led->cdev.dev, "%s - %u\n", __func__, val);
-
- return val;
-}
-
-/* Pattern generator defines (delays in us). */
-#define LM3533_LED_DELAY1_VMIN 0x00
-#define LM3533_LED_DELAY2_VMIN 0x3d
-#define LM3533_LED_DELAY3_VMIN 0x80
-
-#define LM3533_LED_DELAY1_VMAX (LM3533_LED_DELAY2_VMIN - 1)
-#define LM3533_LED_DELAY2_VMAX (LM3533_LED_DELAY3_VMIN - 1)
-#define LM3533_LED_DELAY3_VMAX 0xff
-
-#define LM3533_LED_DELAY1_TMIN 16384U
-#define LM3533_LED_DELAY2_TMIN 1130496U
-#define LM3533_LED_DELAY3_TMIN 10305536U
-
-#define LM3533_LED_DELAY1_TMAX 999424U
-#define LM3533_LED_DELAY2_TMAX 9781248U
-#define LM3533_LED_DELAY3_TMAX 76890112U
-
-/* t_step = (t_max - t_min) / (v_max - v_min) */
-#define LM3533_LED_DELAY1_TSTEP 16384
-#define LM3533_LED_DELAY2_TSTEP 131072
-#define LM3533_LED_DELAY3_TSTEP 524288
-
-/* Delay limits for hardware accelerated blinking (in ms). */
-#define LM3533_LED_DELAY_ON_MAX \
- ((LM3533_LED_DELAY2_TMAX + LM3533_LED_DELAY2_TSTEP / 2) / 1000)
-#define LM3533_LED_DELAY_OFF_MAX \
- ((LM3533_LED_DELAY3_TMAX + LM3533_LED_DELAY3_TSTEP / 2) / 1000)
-
-/*
- * Returns linear map of *t from [t_min,t_max] to [v_min,v_max] with a step
- * size of t_step, where
- *
- * t_step = (t_max - t_min) / (v_max - v_min)
- *
- * and updates *t to reflect the mapped value.
- */
-static u8 time_to_val(unsigned *t, unsigned t_min, unsigned t_step,
- u8 v_min, u8 v_max)
-{
- unsigned val;
-
- val = (*t + t_step / 2 - t_min) / t_step + v_min;
-
- *t = t_step * (val - v_min) + t_min;
-
- return (u8)val;
-}
-
-/*
- * Returns time code corresponding to *delay (in ms) and updates *delay to
- * reflect actual hardware delay.
- *
- * Hardware supports 256 discrete delay times, divided into three groups with
- * the following ranges and step-sizes:
- *
- * [ 16, 999] [0x00, 0x3e] step 16 ms
- * [ 1130, 9781] [0x3d, 0x7f] step 131 ms
- * [10306, 76890] [0x80, 0xff] step 524 ms
- *
- * Note that delay group 3 is only available for delay_off.
- */
-static u8 lm3533_led_get_hw_delay(unsigned *delay)
-{
- unsigned t;
- u8 val;
-
- t = *delay * 1000;
-
- if (t >= (LM3533_LED_DELAY2_TMAX + LM3533_LED_DELAY3_TMIN) / 2) {
- t = clamp(t, LM3533_LED_DELAY3_TMIN, LM3533_LED_DELAY3_TMAX);
- val = time_to_val(&t, LM3533_LED_DELAY3_TMIN,
- LM3533_LED_DELAY3_TSTEP,
- LM3533_LED_DELAY3_VMIN,
- LM3533_LED_DELAY3_VMAX);
- } else if (t >= (LM3533_LED_DELAY1_TMAX + LM3533_LED_DELAY2_TMIN) / 2) {
- t = clamp(t, LM3533_LED_DELAY2_TMIN, LM3533_LED_DELAY2_TMAX);
- val = time_to_val(&t, LM3533_LED_DELAY2_TMIN,
- LM3533_LED_DELAY2_TSTEP,
- LM3533_LED_DELAY2_VMIN,
- LM3533_LED_DELAY2_VMAX);
- } else {
- t = clamp(t, LM3533_LED_DELAY1_TMIN, LM3533_LED_DELAY1_TMAX);
- val = time_to_val(&t, LM3533_LED_DELAY1_TMIN,
- LM3533_LED_DELAY1_TSTEP,
- LM3533_LED_DELAY1_VMIN,
- LM3533_LED_DELAY1_VMAX);
- }
-
- *delay = (t + 500) / 1000;
-
- return val;
-}
-
-/*
- * Set delay register base to *delay (in ms) and update *delay to reflect
- * actual hardware delay used.
- */
-static u8 lm3533_led_delay_set(struct lm3533_led *led, u8 base,
- unsigned long *delay)
-{
- unsigned t;
- u8 val;
- u8 reg;
- int ret;
-
- t = (unsigned)*delay;
-
- /* Delay group 3 is only available for low time (delay off). */
- if (base != LM3533_REG_PATTERN_LOW_TIME_BASE)
- t = min(t, LM3533_LED_DELAY2_TMAX / 1000);
-
- val = lm3533_led_get_hw_delay(&t);
-
- dev_dbg(led->cdev.dev, "%s - %lu: %u (0x%02x)\n", __func__,
- *delay, t, val);
- reg = lm3533_led_get_pattern_reg(led, base);
- ret = lm3533_write(led->lm3533, reg, val);
- if (ret)
- dev_err(led->cdev.dev, "failed to set delay (%02x)\n", reg);
-
- *delay = t;
-
- return ret;
-}
-
-static int lm3533_led_delay_on_set(struct lm3533_led *led, unsigned long *t)
-{
- return lm3533_led_delay_set(led, LM3533_REG_PATTERN_HIGH_TIME_BASE, t);
-}
-
-static int lm3533_led_delay_off_set(struct lm3533_led *led, unsigned long *t)
-{
- return lm3533_led_delay_set(led, LM3533_REG_PATTERN_LOW_TIME_BASE, t);
-}
-
-static int lm3533_led_blink_set(struct led_classdev *cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
-{
- struct lm3533_led *led = to_lm3533_led(cdev);
- int ret;
-
- dev_dbg(led->cdev.dev, "%s - on = %lu, off = %lu\n", __func__,
- *delay_on, *delay_off);
-
- if (*delay_on > LM3533_LED_DELAY_ON_MAX ||
- *delay_off > LM3533_LED_DELAY_OFF_MAX)
- return -EINVAL;
-
- if (*delay_on == 0 && *delay_off == 0) {
- *delay_on = 500;
- *delay_off = 500;
- }
-
- ret = lm3533_led_delay_on_set(led, delay_on);
- if (ret)
- return ret;
-
- ret = lm3533_led_delay_off_set(led, delay_off);
- if (ret)
- return ret;
-
- return lm3533_led_pattern_enable(led, 1);
-}
-
-static ssize_t show_id(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
-
- return sysfs_emit(buf, "%d\n", led->id);
-}
-
-/*
- * Pattern generator rise/fall times:
- *
- * 0 - 2048 us (default)
- * 1 - 262 ms
- * 2 - 524 ms
- * 3 - 1.049 s
- * 4 - 2.097 s
- * 5 - 4.194 s
- * 6 - 8.389 s
- * 7 - 16.78 s
- */
-static ssize_t show_risefalltime(struct device *dev,
- struct device_attribute *attr,
- char *buf, u8 base)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- ssize_t ret;
- u8 reg;
- u8 val;
-
- reg = lm3533_led_get_pattern_reg(led, base);
- ret = lm3533_read(led->lm3533, reg, &val);
- if (ret)
- return ret;
-
- return sysfs_emit(buf, "%x\n", val);
-}
-
-static ssize_t show_risetime(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return show_risefalltime(dev, attr, buf,
- LM3533_REG_PATTERN_RISETIME_BASE);
-}
-
-static ssize_t show_falltime(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return show_risefalltime(dev, attr, buf,
- LM3533_REG_PATTERN_FALLTIME_BASE);
-}
-
-static ssize_t store_risefalltime(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len, u8 base)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- u8 val;
- u8 reg;
- int ret;
-
- if (kstrtou8(buf, 0, &val) || val > LM3533_RISEFALLTIME_MAX)
- return -EINVAL;
-
- reg = lm3533_led_get_pattern_reg(led, base);
- ret = lm3533_write(led->lm3533, reg, val);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t store_risetime(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- return store_risefalltime(dev, attr, buf, len,
- LM3533_REG_PATTERN_RISETIME_BASE);
-}
-
-static ssize_t store_falltime(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- return store_risefalltime(dev, attr, buf, len,
- LM3533_REG_PATTERN_FALLTIME_BASE);
-}
-
-static ssize_t show_als_channel(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- unsigned channel;
- u8 reg;
- u8 val;
- int ret;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- ret = lm3533_read(led->lm3533, reg, &val);
- if (ret)
- return ret;
-
- channel = (val & LM3533_REG_CTRLBANK_BCONF_ALS_CHANNEL_MASK) + 1;
-
- return sysfs_emit(buf, "%u\n", channel);
-}
-
-static ssize_t store_als_channel(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- unsigned channel;
- u8 reg;
- u8 val;
- u8 mask;
- int ret;
-
- if (kstrtouint(buf, 0, &channel))
- return -EINVAL;
-
- if (channel < LM3533_ALS_CHANNEL_LV_MIN ||
- channel > LM3533_ALS_CHANNEL_LV_MAX)
- return -EINVAL;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- mask = LM3533_REG_CTRLBANK_BCONF_ALS_CHANNEL_MASK;
- val = channel - 1;
-
- ret = lm3533_update(led->lm3533, reg, val, mask);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t show_als_en(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- bool enable;
- u8 reg;
- u8 val;
- int ret;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- ret = lm3533_read(led->lm3533, reg, &val);
- if (ret)
- return ret;
-
- enable = val & LM3533_REG_CTRLBANK_BCONF_ALS_EN_MASK;
-
- return sysfs_emit(buf, "%d\n", enable);
-}
-
-static ssize_t store_als_en(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- unsigned enable;
- u8 reg;
- u8 mask;
- u8 val;
- int ret;
-
- if (kstrtouint(buf, 0, &enable))
- return -EINVAL;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- mask = LM3533_REG_CTRLBANK_BCONF_ALS_EN_MASK;
-
- if (enable)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(led->lm3533, reg, val, mask);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t show_linear(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- u8 reg;
- u8 val;
- int linear;
- int ret;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- ret = lm3533_read(led->lm3533, reg, &val);
- if (ret)
- return ret;
-
- if (val & LM3533_REG_CTRLBANK_BCONF_MAPPING_MASK)
- linear = 1;
- else
- linear = 0;
-
- return sysfs_emit(buf, "%x\n", linear);
-}
-
-static ssize_t store_linear(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- unsigned long linear;
- u8 reg;
- u8 mask;
- u8 val;
- int ret;
-
- if (kstrtoul(buf, 0, &linear))
- return -EINVAL;
-
- reg = lm3533_led_get_lv_reg(led, LM3533_REG_CTRLBANK_BCONF_BASE);
- mask = LM3533_REG_CTRLBANK_BCONF_MAPPING_MASK;
-
- if (linear)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(led->lm3533, reg, val, mask);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t show_pwm(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- u8 val;
- int ret;
-
- ret = lm3533_ctrlbank_get_pwm(&led->cb, &val);
- if (ret)
- return ret;
-
- return sysfs_emit(buf, "%u\n", val);
-}
-
-static ssize_t store_pwm(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- u8 val;
- int ret;
-
- if (kstrtou8(buf, 0, &val))
- return -EINVAL;
-
- ret = lm3533_ctrlbank_set_pwm(&led->cb, val);
- if (ret)
- return ret;
-
- return len;
-}
-
-static LM3533_ATTR_RW(als_channel);
-static LM3533_ATTR_RW(als_en);
-static LM3533_ATTR_RW(falltime);
-static LM3533_ATTR_RO(id);
-static LM3533_ATTR_RW(linear);
-static LM3533_ATTR_RW(pwm);
-static LM3533_ATTR_RW(risetime);
-
-static struct attribute *lm3533_led_attributes[] = {
- &dev_attr_als_channel.attr,
- &dev_attr_als_en.attr,
- &dev_attr_falltime.attr,
- &dev_attr_id.attr,
- &dev_attr_linear.attr,
- &dev_attr_pwm.attr,
- &dev_attr_risetime.attr,
- NULL,
-};
-
-static umode_t lm3533_led_attr_is_visible(struct kobject *kobj,
- struct attribute *attr, int n)
-{
- struct device *dev = kobj_to_dev(kobj);
- struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct lm3533_led *led = to_lm3533_led(led_cdev);
- umode_t mode = attr->mode;
-
- if (attr == &dev_attr_als_channel.attr ||
- attr == &dev_attr_als_en.attr) {
- if (!led->lm3533->have_als)
- mode = 0;
- }
-
- return mode;
-};
-
-static const struct attribute_group lm3533_led_attribute_group = {
- .is_visible = lm3533_led_attr_is_visible,
- .attrs = lm3533_led_attributes
-};
-
-static const struct attribute_group *lm3533_led_attribute_groups[] = {
- &lm3533_led_attribute_group,
- NULL
-};
-
-static int lm3533_led_setup(struct lm3533_led *led,
- struct lm3533_led_platform_data *pdata)
-{
- int ret;
-
- ret = lm3533_ctrlbank_set_max_current(&led->cb, pdata->max_current);
- if (ret)
- return ret;
-
- return lm3533_ctrlbank_set_pwm(&led->cb, pdata->pwm);
-}
-
-static int lm3533_led_probe(struct platform_device *pdev)
-{
- struct lm3533 *lm3533;
- struct lm3533_led_platform_data *pdata;
- struct lm3533_led *led;
- int ret;
-
- dev_dbg(&pdev->dev, "%s\n", __func__);
-
- lm3533 = dev_get_drvdata(pdev->dev.parent);
- if (!lm3533)
- return -EINVAL;
-
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data\n");
- return -EINVAL;
- }
-
- if (pdev->id < 0 || pdev->id >= LM3533_LVCTRLBANK_COUNT) {
- dev_err(&pdev->dev, "illegal LED id %d\n", pdev->id);
- return -EINVAL;
- }
-
- led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
- if (!led)
- return -ENOMEM;
-
- led->lm3533 = lm3533;
- led->cdev.name = pdata->name;
- led->cdev.default_trigger = pdata->default_trigger;
- led->cdev.brightness_set_blocking = lm3533_led_set;
- led->cdev.brightness_get = lm3533_led_get;
- led->cdev.blink_set = lm3533_led_blink_set;
- led->cdev.brightness = LED_OFF;
- led->cdev.groups = lm3533_led_attribute_groups;
- led->id = pdev->id;
-
- mutex_init(&led->mutex);
-
- /* The class framework makes a callback to get brightness during
- * registration so use parent device (for error reporting) until
- * registered.
- */
- led->cb.lm3533 = lm3533;
- led->cb.id = lm3533_led_get_ctrlbank_id(led);
- led->cb.dev = lm3533->dev;
-
- platform_set_drvdata(pdev, led);
-
- ret = led_classdev_register(pdev->dev.parent, &led->cdev);
- if (ret) {
- dev_err(&pdev->dev, "failed to register LED %d\n", pdev->id);
- return ret;
- }
-
- led->cb.dev = led->cdev.dev;
-
- ret = lm3533_led_setup(led, pdata);
- if (ret)
- goto err_deregister;
-
- ret = lm3533_ctrlbank_enable(&led->cb);
- if (ret)
- goto err_deregister;
-
- return 0;
-
-err_deregister:
- led_classdev_unregister(&led->cdev);
-
- return ret;
-}
-
-static void lm3533_led_remove(struct platform_device *pdev)
-{
- struct lm3533_led *led = platform_get_drvdata(pdev);
-
- dev_dbg(&pdev->dev, "%s\n", __func__);
-
- lm3533_ctrlbank_disable(&led->cb);
- led_classdev_unregister(&led->cdev);
-}
-
-static void lm3533_led_shutdown(struct platform_device *pdev)
-{
-
- struct lm3533_led *led = platform_get_drvdata(pdev);
-
- dev_dbg(&pdev->dev, "%s\n", __func__);
-
- lm3533_ctrlbank_disable(&led->cb);
- lm3533_led_set(&led->cdev, LED_OFF); /* disable blink */
-}
-
-static struct platform_driver lm3533_led_driver = {
- .driver = {
- .name = "lm3533-leds",
- },
- .probe = lm3533_led_probe,
- .remove = lm3533_led_remove,
- .shutdown = lm3533_led_shutdown,
-};
-module_platform_driver(lm3533_led_driver);
-
-MODULE_AUTHOR("Johan Hovold <jhovold@gmail.com>");
-MODULE_DESCRIPTION("LM3533 LED driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:lm3533-leds");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b0c7df448445..2cb2efafa8a4 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1917,19 +1917,6 @@ config MENELAUS
and other features that are often used in portable devices like
cell phones and PDAs.
-config MFD_LM3533
- tristate "TI/National Semiconductor LM3533 Lighting Power chip"
- depends on I2C
- select MFD_CORE
- select REGMAP_I2C
- help
- Say yes here to enable support for National Semiconductor / TI
- LM3533 Lighting Power chips.
-
- This driver provides common support for accessing the device;
- additional drivers must be enabled in order to use the LED,
- backlight or ambient-light-sensor functionality of the device.
-
config MFD_TIMBERDALE
tristate "Timberdale FPGA"
select MFD_CORE
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index cf3c70364538..8bd4c3e218bb 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -227,7 +227,6 @@ obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o
obj-$(CONFIG_MFD_SEC_ACPM) += sec-acpm.o
obj-$(CONFIG_MFD_SEC_I2C) += sec-i2c.o
obj-$(CONFIG_MFD_SYSCON) += syscon.o
-obj-$(CONFIG_MFD_LM3533) += lm3533-core.o lm3533-ctrlbank.o
obj-$(CONFIG_MFD_VEXPRESS_SYSREG) += vexpress-sysreg.o
obj-$(CONFIG_MFD_RETU) += retu-mfd.o
obj-$(CONFIG_MFD_AS3711) += as3711.o
diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
deleted file mode 100644
index 0a2409d00b2e..000000000000
--- a/drivers/mfd/lm3533-core.c
+++ /dev/null
@@ -1,635 +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/consumer.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)
-{
- gpiod_set_value(lm3533->hwen, 1);
-}
-
-static void lm3533_disable(struct lm3533 *lm3533)
-{
- gpiod_set_value(lm3533->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->hwen = devm_gpiod_get(lm3533->dev, NULL, GPIOD_OUT_LOW);
- if (IS_ERR(lm3533->hwen))
- return dev_err_probe(lm3533->dev, PTR_ERR(lm3533->hwen), "failed to request HWEN GPIO\n");
- gpiod_set_consumer_name(lm3533->hwen, "lm3533-hwen");
-
- 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" },
- { }
-};
-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");
diff --git a/drivers/mfd/lm3533-ctrlbank.c b/drivers/mfd/lm3533-ctrlbank.c
deleted file mode 100644
index 2537dfade51c..000000000000
--- a/drivers/mfd/lm3533-ctrlbank.c
+++ /dev/null
@@ -1,162 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * lm3533-ctrlbank.c -- LM3533 Generic Control Bank interface
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#include <linux/device.h>
-#include <linux/module.h>
-
-#include <linux/mfd/lm3533.h>
-
-
-#define LM3533_MAX_CURRENT_MIN 5000
-#define LM3533_MAX_CURRENT_MAX 29800
-#define LM3533_MAX_CURRENT_STEP 800
-
-#define LM3533_PWM_MAX 0x3f
-
-#define LM3533_REG_PWM_BASE 0x14
-#define LM3533_REG_MAX_CURRENT_BASE 0x1f
-#define LM3533_REG_CTRLBANK_ENABLE 0x27
-#define LM3533_REG_BRIGHTNESS_BASE 0x40
-
-
-static inline u8 lm3533_ctrlbank_get_reg(struct lm3533_ctrlbank *cb, u8 base)
-{
- return base + cb->id;
-}
-
-int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb)
-{
- u8 mask;
- int ret;
-
- dev_dbg(cb->dev, "%s - %d\n", __func__, cb->id);
-
- mask = 1 << cb->id;
- ret = lm3533_update(cb->lm3533, LM3533_REG_CTRLBANK_ENABLE,
- mask, mask);
- if (ret)
- dev_err(cb->dev, "failed to enable ctrlbank %d\n", cb->id);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_enable);
-
-int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb)
-{
- u8 mask;
- int ret;
-
- dev_dbg(cb->dev, "%s - %d\n", __func__, cb->id);
-
- mask = 1 << cb->id;
- ret = lm3533_update(cb->lm3533, LM3533_REG_CTRLBANK_ENABLE, 0, mask);
- if (ret)
- dev_err(cb->dev, "failed to disable ctrlbank %d\n", cb->id);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_disable);
-
-/*
- * Full-scale current.
- *
- * imax 5000 - 29800 uA (800 uA step)
- */
-int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, u16 imax)
-{
- u8 reg;
- u8 val;
- int ret;
-
- if (imax < LM3533_MAX_CURRENT_MIN || imax > LM3533_MAX_CURRENT_MAX)
- return -EINVAL;
-
- val = (imax - LM3533_MAX_CURRENT_MIN) / LM3533_MAX_CURRENT_STEP;
-
- reg = lm3533_ctrlbank_get_reg(cb, LM3533_REG_MAX_CURRENT_BASE);
- ret = lm3533_write(cb->lm3533, reg, val);
- if (ret)
- dev_err(cb->dev, "failed to set max current\n");
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_set_max_current);
-
-int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val)
-{
- u8 reg;
- int ret;
-
- reg = lm3533_ctrlbank_get_reg(cb, LM3533_REG_BRIGHTNESS_BASE);
- ret = lm3533_write(cb->lm3533, reg, val);
- if (ret)
- dev_err(cb->dev, "failed to set brightness\n");
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_set_brightness);
-
-int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val)
-{
- u8 reg;
- int ret;
-
- reg = lm3533_ctrlbank_get_reg(cb, LM3533_REG_BRIGHTNESS_BASE);
- ret = lm3533_read(cb->lm3533, reg, val);
- if (ret)
- dev_err(cb->dev, "failed to get brightness\n");
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_get_brightness);
-
-/*
- * PWM-input control mask:
- *
- * bit 5 - PWM-input enabled in Zone 4
- * bit 4 - PWM-input enabled in Zone 3
- * bit 3 - PWM-input enabled in Zone 2
- * bit 2 - PWM-input enabled in Zone 1
- * bit 1 - PWM-input enabled in Zone 0
- * bit 0 - PWM-input enabled
- */
-int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val)
-{
- u8 reg;
- int ret;
-
- if (val > LM3533_PWM_MAX)
- return -EINVAL;
-
- reg = lm3533_ctrlbank_get_reg(cb, LM3533_REG_PWM_BASE);
- ret = lm3533_write(cb->lm3533, reg, val);
- if (ret)
- dev_err(cb->dev, "failed to set PWM mask\n");
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_set_pwm);
-
-int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val)
-{
- u8 reg;
- int ret;
-
- reg = lm3533_ctrlbank_get_reg(cb, LM3533_REG_PWM_BASE);
- ret = lm3533_read(cb->lm3533, reg, val);
- if (ret)
- dev_err(cb->dev, "failed to get PWM mask\n");
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(lm3533_ctrlbank_get_pwm);
-
-MODULE_AUTHOR("Johan Hovold <jhovold@gmail.com>");
-MODULE_DESCRIPTION("LM3533 Control Bank interface");
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 4acbac1bbb9e..bd88c88d7cf2 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -215,17 +215,6 @@ config BACKLIGHT_SY7758
Say Y to enable the backlight driver for the Silergy SY7758
backlight controller found in Ayaneo Pocket S2.
-config BACKLIGHT_LM3533
- tristate "Backlight Driver for LM3533"
- depends on MFD_LM3533
- help
- Say Y to enable the backlight driver for National Semiconductor / TI
- LM3533 Lighting Power chips.
-
- The backlights can be controlled directly, through PWM input, or by
- the ambient-light-sensor interface. The chip supports 256 brightness
- levels.
-
config BACKLIGHT_LOCOMO
tristate "Sharp LOCOMO LCD/Backlight Driver"
depends on SHARP_LOCOMO
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index e11175bdd500..d98e60664af6 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -37,7 +37,6 @@ obj-$(CONFIG_BACKLIGHT_KTD253) += ktd253-backlight.o
obj-$(CONFIG_BACKLIGHT_KTD2801) += ktd2801-backlight.o
obj-$(CONFIG_BACKLIGHT_KTZ8866) += ktz8866.o
obj-$(CONFIG_BACKLIGHT_LM3509) += lm3509_bl.o
-obj-$(CONFIG_BACKLIGHT_LM3533) += lm3533_bl.o
obj-$(CONFIG_BACKLIGHT_LM3630A) += lm3630a_bl.o
obj-$(CONFIG_BACKLIGHT_LM3639) += lm3639_bl.o
obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
deleted file mode 100644
index babfd3ceec86..000000000000
--- a/drivers/video/backlight/lm3533_bl.c
+++ /dev/null
@@ -1,398 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * lm3533-bl.c -- LM3533 Backlight driver
- *
- * Copyright (C) 2011-2012 Texas Instruments
- *
- * Author: Johan Hovold <jhovold@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/backlight.h>
-#include <linux/slab.h>
-
-#include <linux/mfd/lm3533.h>
-
-
-#define LM3533_HVCTRLBANK_COUNT 2
-#define LM3533_BL_MAX_BRIGHTNESS 255
-
-#define LM3533_REG_CTRLBANK_AB_BCONF 0x1a
-
-
-struct lm3533_bl {
- struct lm3533 *lm3533;
- struct lm3533_ctrlbank cb;
- struct backlight_device *bd;
- int id;
-};
-
-
-static inline int lm3533_bl_get_ctrlbank_id(struct lm3533_bl *bl)
-{
- return bl->id;
-}
-
-static int lm3533_bl_update_status(struct backlight_device *bd)
-{
- struct lm3533_bl *bl = bl_get_data(bd);
-
- return lm3533_ctrlbank_set_brightness(&bl->cb, backlight_get_brightness(bd));
-}
-
-static int lm3533_bl_get_brightness(struct backlight_device *bd)
-{
- struct lm3533_bl *bl = bl_get_data(bd);
- u8 val;
- int ret;
-
- ret = lm3533_ctrlbank_get_brightness(&bl->cb, &val);
- if (ret)
- return ret;
-
- return val;
-}
-
-static const struct backlight_ops lm3533_bl_ops = {
- .get_brightness = lm3533_bl_get_brightness,
- .update_status = lm3533_bl_update_status,
-};
-
-static ssize_t show_id(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
-
- return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id);
-}
-
-static ssize_t show_als_channel(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- unsigned channel = lm3533_bl_get_ctrlbank_id(bl);
-
- return scnprintf(buf, PAGE_SIZE, "%u\n", channel);
-}
-
-static ssize_t show_als_en(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- int ctrlbank = lm3533_bl_get_ctrlbank_id(bl);
- u8 val;
- u8 mask;
- bool enable;
- int ret;
-
- ret = lm3533_read(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, &val);
- if (ret)
- return ret;
-
- mask = 1 << (2 * ctrlbank);
- enable = val & mask;
-
- return scnprintf(buf, PAGE_SIZE, "%d\n", enable);
-}
-
-static ssize_t store_als_en(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- int ctrlbank = lm3533_bl_get_ctrlbank_id(bl);
- int enable;
- u8 val;
- u8 mask;
- int ret;
-
- if (kstrtoint(buf, 0, &enable))
- return -EINVAL;
-
- mask = 1 << (2 * ctrlbank);
-
- if (enable)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, val,
- mask);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t show_linear(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- u8 val;
- u8 mask;
- int linear;
- int ret;
-
- ret = lm3533_read(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, &val);
- if (ret)
- return ret;
-
- mask = 1 << (2 * lm3533_bl_get_ctrlbank_id(bl) + 1);
-
- if (val & mask)
- linear = 1;
- else
- linear = 0;
-
- return scnprintf(buf, PAGE_SIZE, "%x\n", linear);
-}
-
-static ssize_t store_linear(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- unsigned long linear;
- u8 mask;
- u8 val;
- int ret;
-
- if (kstrtoul(buf, 0, &linear))
- return -EINVAL;
-
- mask = 1 << (2 * lm3533_bl_get_ctrlbank_id(bl) + 1);
-
- if (linear)
- val = mask;
- else
- val = 0;
-
- ret = lm3533_update(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, val,
- mask);
- if (ret)
- return ret;
-
- return len;
-}
-
-static ssize_t show_pwm(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- u8 val;
- int ret;
-
- ret = lm3533_ctrlbank_get_pwm(&bl->cb, &val);
- if (ret)
- return ret;
-
- return scnprintf(buf, PAGE_SIZE, "%u\n", val);
-}
-
-static ssize_t store_pwm(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- u8 val;
- int ret;
-
- if (kstrtou8(buf, 0, &val))
- return -EINVAL;
-
- ret = lm3533_ctrlbank_set_pwm(&bl->cb, val);
- if (ret)
- return ret;
-
- return len;
-}
-
-static LM3533_ATTR_RO(als_channel);
-static LM3533_ATTR_RW(als_en);
-static LM3533_ATTR_RO(id);
-static LM3533_ATTR_RW(linear);
-static LM3533_ATTR_RW(pwm);
-
-static struct attribute *lm3533_bl_attributes[] = {
- &dev_attr_als_channel.attr,
- &dev_attr_als_en.attr,
- &dev_attr_id.attr,
- &dev_attr_linear.attr,
- &dev_attr_pwm.attr,
- NULL,
-};
-
-static umode_t lm3533_bl_attr_is_visible(struct kobject *kobj,
- struct attribute *attr, int n)
-{
- struct device *dev = kobj_to_dev(kobj);
- struct lm3533_bl *bl = dev_get_drvdata(dev);
- umode_t mode = attr->mode;
-
- if (attr == &dev_attr_als_channel.attr ||
- attr == &dev_attr_als_en.attr) {
- if (!bl->lm3533->have_als)
- mode = 0;
- }
-
- return mode;
-};
-
-static struct attribute_group lm3533_bl_attribute_group = {
- .is_visible = lm3533_bl_attr_is_visible,
- .attrs = lm3533_bl_attributes
-};
-
-static int lm3533_bl_setup(struct lm3533_bl *bl,
- struct lm3533_bl_platform_data *pdata)
-{
- int ret;
-
- ret = lm3533_ctrlbank_set_max_current(&bl->cb, pdata->max_current);
- if (ret)
- return ret;
-
- return lm3533_ctrlbank_set_pwm(&bl->cb, pdata->pwm);
-}
-
-static int lm3533_bl_probe(struct platform_device *pdev)
-{
- struct lm3533 *lm3533;
- struct lm3533_bl_platform_data *pdata;
- struct lm3533_bl *bl;
- struct backlight_device *bd;
- struct backlight_properties props;
- int ret;
-
- dev_dbg(&pdev->dev, "%s\n", __func__);
-
- lm3533 = dev_get_drvdata(pdev->dev.parent);
- if (!lm3533)
- return -EINVAL;
-
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data\n");
- return -EINVAL;
- }
-
- if (pdev->id < 0 || pdev->id >= LM3533_HVCTRLBANK_COUNT) {
- dev_err(&pdev->dev, "illegal backlight id %d\n", pdev->id);
- return -EINVAL;
- }
-
- bl = devm_kzalloc(&pdev->dev, sizeof(*bl), GFP_KERNEL);
- if (!bl)
- return -ENOMEM;
-
- bl->lm3533 = lm3533;
- bl->id = pdev->id;
-
- bl->cb.lm3533 = lm3533;
- bl->cb.id = lm3533_bl_get_ctrlbank_id(bl);
- bl->cb.dev = NULL; /* until registered */
-
- memset(&props, 0, sizeof(props));
- props.type = BACKLIGHT_RAW;
- props.max_brightness = LM3533_BL_MAX_BRIGHTNESS;
- props.brightness = pdata->default_brightness;
- bd = devm_backlight_device_register(&pdev->dev, pdata->name,
- pdev->dev.parent, bl, &lm3533_bl_ops,
- &props);
- if (IS_ERR(bd)) {
- dev_err(&pdev->dev, "failed to register backlight device\n");
- return PTR_ERR(bd);
- }
-
- bl->bd = bd;
- bl->cb.dev = &bl->bd->dev;
-
- platform_set_drvdata(pdev, bl);
-
- ret = sysfs_create_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to create sysfs attributes\n");
- return ret;
- }
-
- backlight_update_status(bd);
-
- ret = lm3533_bl_setup(bl, pdata);
- if (ret)
- goto err_sysfs_remove;
-
- ret = lm3533_ctrlbank_enable(&bl->cb);
- if (ret)
- goto err_sysfs_remove;
-
- return 0;
-
-err_sysfs_remove:
- sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
-
- return ret;
-}
-
-static void lm3533_bl_remove(struct platform_device *pdev)
-{
- struct lm3533_bl *bl = platform_get_drvdata(pdev);
- struct backlight_device *bd = bl->bd;
-
- dev_dbg(&bd->dev, "%s\n", __func__);
-
- bd->props.power = BACKLIGHT_POWER_OFF;
- bd->props.brightness = 0;
-
- lm3533_ctrlbank_disable(&bl->cb);
- sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int lm3533_bl_suspend(struct device *dev)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
-
- dev_dbg(dev, "%s\n", __func__);
-
- return lm3533_ctrlbank_disable(&bl->cb);
-}
-
-static int lm3533_bl_resume(struct device *dev)
-{
- struct lm3533_bl *bl = dev_get_drvdata(dev);
-
- dev_dbg(dev, "%s\n", __func__);
-
- return lm3533_ctrlbank_enable(&bl->cb);
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(lm3533_bl_pm_ops, lm3533_bl_suspend, lm3533_bl_resume);
-
-static void lm3533_bl_shutdown(struct platform_device *pdev)
-{
- struct lm3533_bl *bl = platform_get_drvdata(pdev);
-
- dev_dbg(&pdev->dev, "%s\n", __func__);
-
- lm3533_ctrlbank_disable(&bl->cb);
-}
-
-static struct platform_driver lm3533_bl_driver = {
- .driver = {
- .name = "lm3533-backlight",
- .pm = &lm3533_bl_pm_ops,
- },
- .probe = lm3533_bl_probe,
- .remove = lm3533_bl_remove,
- .shutdown = lm3533_bl_shutdown,
-};
-module_platform_driver(lm3533_bl_driver);
-
-MODULE_AUTHOR("Johan Hovold <jhovold@gmail.com>");
-MODULE_DESCRIPTION("LM3533 Backlight driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:lm3533-backlight");
diff --git a/include/linux/mfd/lm3533.h b/include/linux/mfd/lm3533.h
deleted file mode 100644
index 69059a7a2ce5..000000000000
--- a/include/linux/mfd/lm3533.h
+++ /dev/null
@@ -1,99 +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 gpio_desc;
-struct regmap;
-
-struct lm3533 {
- struct device *dev;
-
- struct regmap *regmap;
-
- struct gpio_desc *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 {
- 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 */
--
2.53.0
next prev parent reply other threads:[~2026-09-09 13:23 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 13:21 [PATCH 00/14] mfd: unused driver purge Arnd Bergmann
2026-09-09 13:21 ` [PATCH 01/14] mfd: remove unused 88pm80x driver Arnd Bergmann
2026-09-09 13:37 ` sashiko-bot
2026-09-09 13:44 ` Alexandre Belloni
2026-09-11 7:24 ` Krzysztof Kozlowski
2026-09-09 13:21 ` [PATCH 02/14] mfd: remove unused rdc321x southbridge support Arnd Bergmann
2026-09-09 13:39 ` sashiko-bot
2026-09-09 20:28 ` Arnd Bergmann
2026-09-09 14:09 ` Guenter Roeck
2026-09-09 13:21 ` [PATCH 03/14] mfd: remove unused si476x driver Arnd Bergmann
2026-09-09 13:38 ` sashiko-bot
2026-09-09 13:21 ` [PATCH 04/14] mfd: remove unused wm8400 driver Arnd Bergmann
2026-09-09 13:27 ` Mark Brown
2026-09-09 13:33 ` sashiko-bot
2026-09-09 14:38 ` Charles Keepax
2026-09-09 13:21 ` [PATCH 05/14] mfd: remove unused adp5520 driver Arnd Bergmann
2026-09-09 13:37 ` sashiko-bot
2026-09-09 20:21 ` Arnd Bergmann
2026-09-09 13:21 ` [PATCH 06/14] mfd: remove unused da903x driver Arnd Bergmann
2026-09-09 13:39 ` sashiko-bot
2026-09-09 20:17 ` Arnd Bergmann
2026-09-09 15:46 ` Sebastian Reichel
2026-09-09 13:21 ` [PATCH 07/14] mfd: remove unused lp8788 driver Arnd Bergmann
2026-09-09 13:39 ` sashiko-bot
2026-09-09 20:14 ` Arnd Bergmann
2026-09-09 13:47 ` Alexandre Belloni
2026-09-09 15:46 ` Sebastian Reichel
2026-09-09 13:21 ` [PATCH 08/14] mfd: remove unused aat2870 driver Arnd Bergmann
2026-09-09 13:30 ` sashiko-bot
2026-09-09 13:21 ` Arnd Bergmann [this message]
2026-09-09 13:35 ` [PATCH 09/14] mfd: remove unused lm3533 driver sashiko-bot
2026-09-09 13:44 ` Johan Hovold
2026-09-09 14:47 ` Arnd Bergmann
2026-09-09 13:21 ` [PATCH 10/14] mfd: remove unused rc5t583 driver Arnd Bergmann
2026-09-09 13:39 ` sashiko-bot
2026-09-09 20:49 ` Arnd Bergmann
2026-09-09 13:48 ` Alexandre Belloni
2026-09-09 13:21 ` [PATCH 11/14] mfd: remove unused wm8350 driver Arnd Bergmann
2026-09-09 13:26 ` Mark Brown
2026-09-09 13:41 ` sashiko-bot
2026-09-09 14:12 ` Guenter Roeck
2026-09-09 14:39 ` Charles Keepax
2026-09-09 15:47 ` Sebastian Reichel
2026-09-09 13:21 ` [PATCH 12/14] mfd: remove unused mcp-sa11x0/ucb1x00 driver Arnd Bergmann
2026-09-09 13:48 ` sashiko-bot
2026-09-09 20:53 ` Arnd Bergmann
2026-09-09 13:21 ` [PATCH 13/14] mfd: remove unused menelaus driver Arnd Bergmann
2026-09-09 13:49 ` sashiko-bot
2026-09-09 20:46 ` Arnd Bergmann
2026-09-09 13:51 ` Alexandre Belloni
2026-09-09 13:21 ` [PATCH 14/14] mfd: remove unused iPaq micro driver Arnd Bergmann
2026-09-09 13:43 ` sashiko-bot
2026-09-09 20:58 ` Arnd Bergmann
2026-09-09 14:03 ` [PATCH 00/14] mfd: unused driver purge Bartosz Golaszewski
2026-09-09 17:26 ` Dmitry Torokhov
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