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Date: Tue, 7 Aug 2012 10:34:52 +0800
From: Bryan Wu <bryan.wu@...onical.com>
To: "G.Shark Jeong" <gshark.jeong@...il.com>
Cc: Richard Purdie <rpurdie@...ys.net>,
Daniel Jeong <daniel.jeong@...com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] leds: Add LED driver for lm355x chips
On Wed, Aug 1, 2012 at 8:05 PM, G.Shark Jeong <gshark.jeong@...il.com> wrote:
> From: "G.Shark Jeong" <gshark.jeong@...il.com>
>
> LM3554 and LM3556 have similar functions but very different register map.
> This driver is a general version for LM355x,lm3554 and lm3556,led chips of TI.
> lm3556 driver can be replaced by this driver.
>
> LM3554 :
> The LM3554 is a 2 MHz fixed-frequency synchronous boost
> converter with 1.2A dual high side led drivers.
> Datasheet: www.ti.com/lit/ds/symlink/lm3554.pdf
>
> LM3556 :
> The LM3556 is a 4 MHz fixed-frequency synchronous boost
> converter plus 1.5A constant current driver for a high-current white LED.
> Datasheet: www.national.com/ds/LM/LM3556.pdf
>
> Signed-off-by: G.Shark Jeong <gshark.jeong@...il.com>
> ---
Thanks, I think basically I'm OK for this patch, just some small
comments as below.
-Bryan
> drivers/leds/Kconfig | 8 +-
> drivers/leds/Makefile | 2 +-
> drivers/leds/leds-lm355x.c | 529 +++++++++++++++++++++++++++++
> include/linux/platform_data/leds-lm355x.h | 66 ++++
> 4 files changed, 600 insertions(+), 5 deletions(-)
> create mode 100644 drivers/leds/leds-lm355x.c
> create mode 100644 include/linux/platform_data/leds-lm355x.h
>
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index c96bbaa..4f6ced2 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -422,13 +422,13 @@ config LEDS_MAX8997
> This option enables support for on-chip LED drivers on
> MAXIM MAX8997 PMIC.
>
> -config LEDS_LM3556
> - tristate "LED support for LM3556 Chip"
> +config LEDS_LM355x
> + tristate "LED support for LM355x Chips, LM3554 and LM3556"
> depends on LEDS_CLASS && I2C
> select REGMAP_I2C
> help
> - This option enables support for LEDs connected to LM3556.
> - LM3556 includes Torch, Flash and Indicator functions.
> + This option enables support for LEDs connected to LM355x.
> + LM355x includes Torch, Flash and Indicator functions.
>
> config LEDS_OT200
> tristate "LED support for the Bachmann OT200"
> diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
> index a4429a9..b57a021 100644
> --- a/drivers/leds/Makefile
> +++ b/drivers/leds/Makefile
> @@ -48,7 +48,7 @@ obj-$(CONFIG_LEDS_NETXBIG) += leds-netxbig.o
> obj-$(CONFIG_LEDS_ASIC3) += leds-asic3.o
> obj-$(CONFIG_LEDS_RENESAS_TPU) += leds-renesas-tpu.o
> obj-$(CONFIG_LEDS_MAX8997) += leds-max8997.o
> -obj-$(CONFIG_LEDS_LM3556) += leds-lm3556.o
You removed leds-lm3556.o here, but didn't remove the real C file in
this patchset
> +obj-$(CONFIG_LEDS_LM355x) += leds-lm355x.o
> obj-$(CONFIG_LEDS_BLINKM) += leds-blinkm.o
>
> # LED SPI Drivers
> diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
> new file mode 100644
> index 0000000..5cdbbb4
> --- /dev/null
> +++ b/drivers/leds/leds-lm355x.c
> @@ -0,0 +1,529 @@
> +/*
> +* Simple driver for Texas Instruments LM355x LED Flash driver chip
> +* Copyright (C) 2012 Texas Instruments
> +*
> +* This program is free software; you can redistribute it and/or modify
> +* it under the terms of the GNU General Public License version 2 as
> +* published by the Free Software Foundation.
> +*/
> +
> +#include <linux/module.h>
> +#include <linux/delay.h>
> +#include <linux/i2c.h>
> +#include <linux/gpio.h>
> +#include <linux/leds.h>
> +#include <linux/slab.h>
> +#include <linux/platform_device.h>
> +#include <linux/fs.h>
> +#include <linux/regmap.h>
> +#include <linux/platform_data/leds-lm355x.h>
> +
> +enum lm355x_type {
> + CHIP_LM3554 = 0,
> + CHIP_LM3556,
> +};
> +
> +enum lm355x_regs {
> + REG_FLAG = 0,
> + REG_TORCH_CFG,
> + REG_TORCH_CTRL,
> + REG_STROBE_CFG,
> + REG_FLASH_CTRL,
> + REG_INDI_CFG,
> + REG_INDI_CTRL,
> + REG_OPMODE,
> + REG_MAX,
> +};
> +
> +/* operation mode */
> +enum lm355x_mode {
> + MODE_SHDN = 0,
> + MODE_INDIC,
> + MODE_TORCH,
> + MODE_FLASH
> +};
> +
> +/* register map info. */
> +struct lm355x_reg_data {
> + u8 regno;
> + u8 mask;
> + u8 shift;
> +};
> +
> +struct lm355x_chip_data {
> + struct device *dev;
> + enum lm355x_type type;
> +
> + struct led_classdev cdev_flash;
> + struct led_classdev cdev_torch;
> + struct led_classdev cdev_indicator;
> +
> + struct lm355x_platform_data *pdata;
> + struct regmap *regmap;
> + struct mutex lock;
> +
> + unsigned int last_flag;
> + struct lm355x_reg_data *regs;
> +};
> +
> +/* specific indicator function for lm3556 */
> +enum lm3556_indic_pulse_time {
> + PULSE_TIME_0_MS = 0,
> + PULSE_TIME_32_MS,
> + PULSE_TIME_64_MS,
> + PULSE_TIME_92_MS,
> + PULSE_TIME_128_MS,
> + PULSE_TIME_160_MS,
> + PULSE_TIME_196_MS,
> + PULSE_TIME_224_MS,
> + PULSE_TIME_256_MS,
> + PULSE_TIME_288_MS,
> + PULSE_TIME_320_MS,
> + PULSE_TIME_352_MS,
> + PULSE_TIME_384_MS,
> + PULSE_TIME_416_MS,
> + PULSE_TIME_448_MS,
> + PULSE_TIME_480_MS,
> +};
> +
> +enum lm3556_indic_n_blank {
> + INDIC_N_BLANK_0 = 0,
> + INDIC_N_BLANK_1,
> + INDIC_N_BLANK_2,
> + INDIC_N_BLANK_3,
> + INDIC_N_BLANK_4,
> + INDIC_N_BLANK_5,
> + INDIC_N_BLANK_6,
> + INDIC_N_BLANK_7,
> + INDIC_N_BLANK_8,
> + INDIC_N_BLANK_9,
> + INDIC_N_BLANK_10,
> + INDIC_N_BLANK_11,
> + INDIC_N_BLANK_12,
> + INDIC_N_BLANK_13,
> + INDIC_N_BLANK_14,
> + INDIC_N_BLANK_15,
> +};
> +
> +enum lm3556_indic_period {
> + INDIC_PERIOD_0 = 0,
> + INDIC_PERIOD_1,
> + INDIC_PERIOD_2,
> + INDIC_PERIOD_3,
> + INDIC_PERIOD_4,
> + INDIC_PERIOD_5,
> + INDIC_PERIOD_6,
> + INDIC_PERIOD_7,
> +};
> +
> +#define INDIC_PATTERN_SIZE 4
> +
> +struct indicator {
> + u8 blinking;
> + u8 period_cnt;
> +};
> +
> +/* indicator pattern data only for lm3556 */
> +static struct indicator indicator_pattern[INDIC_PATTERN_SIZE] = {
> + [0] = {(INDIC_N_BLANK_1 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_1},
> + [1] = {(INDIC_N_BLANK_15 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_2},
> + [2] = {(INDIC_N_BLANK_10 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_4},
> + [3] = {(INDIC_N_BLANK_5 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_7},
> +};
> +
> +static struct lm355x_reg_data lm3554_regs[REG_MAX] = {
> + [REG_FLAG] = {0xD0, 0xBF, 0},
> + [REG_TORCH_CFG] = {0xE0, 0x80, 7},
> + [REG_TORCH_CTRL] = {0xA0, 0x38, 3},
> + [REG_STROBE_CFG] = {0xE0, 0x04, 2},
> + [REG_FLASH_CTRL] = {0xB0, 0x78, 3},
> + [REG_INDI_CFG] = {0xE0, 0x08, 3},
> + [REG_INDI_CTRL] = {0xA0, 0xC0, 6},
> + [REG_OPMODE] = {0xA0, 0x03, 0},
> +};
> +
> +static struct lm355x_reg_data lm3556_regs[REG_MAX] = {
> + [REG_FLAG] = {0x0B, 0xFF, 0},
> + [REG_TORCH_CFG] = {0x0A, 0x10, 4},
> + [REG_TORCH_CTRL] = {0x09, 0x70, 4},
> + [REG_STROBE_CFG] = {0x0A, 0x20, 5},
> + [REG_FLASH_CTRL] = {0x09, 0x0F, 0},
> + [REG_INDI_CFG] = {0xFF, 0xFF, 0},
> + [REG_INDI_CTRL] = {0x09, 0x70, 4},
> + [REG_OPMODE] = {0x0A, 0x03, 0},
> +};
> +
> +static char lm355x_name[][I2C_NAME_SIZE] = {
> + [CHIP_LM3554] = LM3554_NAME,
> + [CHIP_LM3556] = LM3556_NAME,
> +};
> +
> +/* chip initialize */
> +static int __devinit lm355x_chip_init(struct lm355x_chip_data *chip)
> +{
> + int ret;
> + unsigned int reg_val;
> + struct lm355x_platform_data *pdata = chip->pdata;
> +
> + /* input and output pins configuration */
> + switch (chip->type) {
> + case CHIP_LM3554:
> + reg_val = pdata->pin_tx2 | pdata->ntc_pin;
> + ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val);
> + if (ret < 0)
> + goto out;
> + reg_val = pdata->pass_mode;
> + ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val);
> + if (ret < 0)
> + goto out;
> + break;
> +
> + case CHIP_LM3556:
> + reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode;
> + ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val);
> + if (ret < 0)
> + goto out;
> + break;
> + default:
> + return -ENODATA;
> + }
> +
> + return ret;
> +out:
> + dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
> + return ret;
> +}
> +
> +/* chip control */
> +static void lm355x_control(struct lm355x_chip_data *chip,
> + u8 brightness, enum lm355x_mode opmode)
> +{
> + int ret;
> + unsigned int reg_val;
> + struct lm355x_platform_data *pdata = chip->pdata;
> + struct lm355x_reg_data *preg = chip->regs;
> +
> + ret = regmap_read(chip->regmap, preg[REG_FLAG].regno, &chip->last_flag);
> + if (ret < 0)
> + goto out;
> + if (chip->last_flag & preg[REG_FLAG].mask)
> + dev_info(chip->dev, "%s Last FLAG is 0x%x\n",
> + lm355x_name[chip->type],
> + chip->last_flag & preg[REG_FLAG].mask);
> + /* brightness 0 means shutdown */
> + if (!brightness)
> + opmode = MODE_SHDN;
> +
> + switch (opmode) {
> + case MODE_TORCH:
> + ret =
> + regmap_update_bits(chip->regmap, preg[REG_TORCH_CTRL].regno,
> + preg[REG_TORCH_CTRL].mask,
> + (brightness -
> + 1) << preg[REG_TORCH_CTRL].shift);
> + if (ret < 0)
> + goto out;
> +
> + if (pdata->pin_tx1 != LM355x_PIN_TORCH_DISABLE) {
> + ret =
> + regmap_update_bits(chip->regmap,
> + preg[REG_TORCH_CFG].regno,
> + preg[REG_TORCH_CFG].mask,
> + 0x01 <<
> + preg[REG_TORCH_CFG].shift);
> + if (ret < 0)
> + goto out;
> + opmode = MODE_SHDN;
> + dev_info(chip->dev,
> + "torch brt is set - ext. torch pin mode\n");
> + }
> + break;
> +
> + case MODE_FLASH:
> +
> + ret =
> + regmap_update_bits(chip->regmap, preg[REG_FLASH_CTRL].regno,
> + preg[REG_FLASH_CTRL].mask,
> + (brightness -
> + 1) << preg[REG_FLASH_CTRL].shift);
> + if (ret < 0)
> + goto out;
> +
> + if (pdata->pin_strobe != LM355x_PIN_STROBE_DISABLE) {
> + if (chip->type == CHIP_LM3554)
> + reg_val = 0x00;
> + else
> + reg_val = 0x01;
> + ret =
> + regmap_update_bits(chip->regmap,
> + preg[REG_STROBE_CFG].regno,
> + preg[REG_STROBE_CFG].mask,
> + reg_val <<
> + preg[REG_STROBE_CFG].shift);
> + if (ret < 0)
> + goto out;
> + opmode = MODE_SHDN;
> + dev_info(chip->dev,
> + "flash brt is set - ext. strobe pin mode\n");
> + }
> + break;
> +
> + case MODE_INDIC:
> + ret =
> + regmap_update_bits(chip->regmap, preg[REG_INDI_CTRL].regno,
> + preg[REG_INDI_CTRL].mask,
> + (brightness - 1)
> + << preg[REG_INDI_CTRL].shift);
> + if (ret < 0)
> + goto out;
> +
> + if (pdata->pin_tx2 != LM355x_PIN_TX_DISABLE) {
> + ret =
> + regmap_update_bits(chip->regmap,
> + preg[REG_INDI_CFG].regno,
> + preg[REG_INDI_CFG].mask,
> + 0x01 <<
> + preg[REG_INDI_CFG].shift);
> + if (ret < 0)
> + goto out;
> + opmode = MODE_SHDN;
> + }
> + break;
> + case MODE_SHDN:
> + break;
> + default:
> + return;
> + }
> + /* operation mode control */
> + ret = regmap_update_bits(chip->regmap, preg[REG_OPMODE].regno,
> + preg[REG_OPMODE].mask,
> + opmode << preg[REG_OPMODE].shift);
> + if (ret < 0)
> + goto out;
> + return;
> +out:
> + dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
> + return;
> +}
> +
> +/* torch */
> +static void lm355x_torch_brightness_set(struct led_classdev *cdev,
> + enum led_brightness brightness)
> +{
> + struct lm355x_chip_data *chip =
> + container_of(cdev, struct lm355x_chip_data, cdev_torch);
> +
> + mutex_lock(&chip->lock);
> + lm355x_control(chip, brightness, MODE_TORCH);
> + mutex_unlock(&chip->lock);
> +}
> +
> +/* flash */
> +static void lm355x_strobe_brightness_set(struct led_classdev *cdev,
> + enum led_brightness brightness)
> +{
> + struct lm355x_chip_data *chip =
> + container_of(cdev, struct lm355x_chip_data, cdev_flash);
> +
> + mutex_lock(&chip->lock);
> + lm355x_control(chip, brightness, MODE_FLASH);
> + mutex_unlock(&chip->lock);
> +}
> +
> +/* indicator */
> +static void lm355x_indicator_brightness_set(struct led_classdev *cdev,
> + enum led_brightness brightness)
> +{
> + struct lm355x_chip_data *chip =
> + container_of(cdev, struct lm355x_chip_data, cdev_indicator);
> +
> + mutex_lock(&chip->lock);
> + lm355x_control(chip, brightness, MODE_INDIC);
> + mutex_unlock(&chip->lock);
> +}
> +
> +/* indicator pattern only for lm3556*/
> +static ssize_t lm3556_indicator_pattern_store(struct device *dev,
> + struct device_attribute *devAttr,
> + const char *buf, size_t size)
> +{
> + ssize_t ret;
> + struct led_classdev *led_cdev = dev_get_drvdata(dev);
> + struct lm355x_chip_data *chip =
> + container_of(led_cdev, struct lm355x_chip_data, cdev_indicator);
> + unsigned int state;
> +
> + ret = kstrtouint(buf, 10, &state);
> + if (ret)
> + goto out;
> + if (state > INDIC_PATTERN_SIZE - 1)
> + state = INDIC_PATTERN_SIZE - 1;
> +
> + ret = regmap_write(chip->regmap, 0x04,
> + indicator_pattern[state].blinking);
> + if (ret < 0)
> + goto out;
> +
> + ret = regmap_write(chip->regmap, 0x05,
> + indicator_pattern[state].period_cnt);
> + if (ret < 0)
> + goto out;
> +
> + return size;
> +out:
> + dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
> + return size;
> +}
> +
> +static DEVICE_ATTR(pattern, 0666, NULL, lm3556_indicator_pattern_store);
> +
> +static const struct regmap_config lm355x_regmap = {
> + .reg_bits = 8,
> + .val_bits = 8,
> + .max_register = 0xFF,
> +};
> +
> +/* module initialize */
> +static int __devinit lm355x_probe(struct i2c_client *client,
> + const struct i2c_device_id *id)
> +{
> + struct lm355x_platform_data *pdata = client->dev.platform_data;
> + struct lm355x_chip_data *chip;
> +
> + int err;
> +
> + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
> + dev_err(&client->dev, "i2c functionality check fail.\n");
> + return -EOPNOTSUPP;
> + }
> +
> + if (pdata == NULL) {
> + dev_err(&client->dev, "needs Platform Data.\n");
> + return -ENODATA;
> + }
> +
> + chip = devm_kzalloc(&client->dev,
> + sizeof(struct lm355x_chip_data), GFP_KERNEL);
> + if (!chip)
> + return -ENOMEM;
> +
> + chip->dev = &client->dev;
> + chip->type = id->driver_data;
> + switch (id->driver_data) {
> + case CHIP_LM3554:
> + chip->regs = lm3554_regs;
> + break;
> + case CHIP_LM3556:
> + chip->regs = lm3556_regs;
> + break;
> + default:
> + return -ENOSYS;
> + }
> + chip->pdata = pdata;
> + chip->regmap = devm_regmap_init_i2c(client, &lm355x_regmap);
> + if (IS_ERR(chip->regmap)) {
> + err = PTR_ERR(chip->regmap);
> + dev_err(&client->dev, "Failed to allocate register map: %d\n",
> + err);
> + return err;
> + }
> +
> + mutex_init(&chip->lock);
> + i2c_set_clientdata(client, chip);
> +
> + err = lm355x_chip_init(chip);
> + if (err < 0)
> + goto err_out;
> +
> + /* flash */
> + chip->cdev_flash.name = "flash";
> + chip->cdev_flash.max_brightness = 16;
> + chip->cdev_flash.brightness_set = lm355x_strobe_brightness_set;
> + err = led_classdev_register((struct device *)
> + &client->dev, &chip->cdev_flash);
> + if (err < 0)
> + goto err_out;
> + /* torch */
> + chip->cdev_torch.name = "torch";
> + chip->cdev_torch.max_brightness = 8;
> + chip->cdev_torch.brightness_set = lm355x_torch_brightness_set;
> + err = led_classdev_register((struct device *)
> + &client->dev, &chip->cdev_torch);
> + if (err < 0)
> + goto err_create_torch_file;
> + /* indicator */
> + chip->cdev_indicator.name = "indicator";
> + if (id->driver_data == CHIP_LM3554)
> + chip->cdev_indicator.max_brightness = 4;
> + else
> + chip->cdev_indicator.max_brightness = 8;
> + chip->cdev_indicator.brightness_set = lm355x_indicator_brightness_set;
> + err = led_classdev_register((struct device *)
> + &client->dev, &chip->cdev_indicator);
> + if (err < 0)
> + goto err_create_indicator_file;
> + /* indicator pattern control only for LM3554 */
> + if (id->driver_data == CHIP_LM3556) {
The code is conflicting with comments, is indicator pattern control
only for LM3554 or LM3556?
> + err =
> + device_create_file(chip->cdev_indicator.dev,
> + &dev_attr_pattern);
> + if (err < 0)
> + goto err_create_pattern_file;
> + }
> +
> + dev_info(&client->dev, "%s is initialized\n",
> + lm355x_name[id->driver_data]);
> + return 0;
> +
> +err_create_pattern_file:
> + led_classdev_unregister(&chip->cdev_indicator);
> +err_create_indicator_file:
> + led_classdev_unregister(&chip->cdev_torch);
> +err_create_torch_file:
> + led_classdev_unregister(&chip->cdev_flash);
> +err_out:
> + return err;
> +}
> +
> +static int __devexit lm355x_remove(struct i2c_client *client)
> +{
> + struct lm355x_chip_data *chip = i2c_get_clientdata(client);
> + struct lm355x_reg_data *preg = chip->regs;
> +
> + regmap_write(chip->regmap, preg[REG_OPMODE].regno, 0);
> + if (chip->type == CHIP_LM3556)
> + device_remove_file(chip->cdev_indicator.dev, &dev_attr_pattern);
> + led_classdev_unregister(&chip->cdev_indicator);
> + led_classdev_unregister(&chip->cdev_torch);
> + led_classdev_unregister(&chip->cdev_flash);
> +
> + dev_info(&client->dev, "%s is removed\n", lm355x_name[chip->type]);
> +
> + return 0;
> +}
> +
> +static const struct i2c_device_id lm355x_id[] = {
> + {LM3554_NAME, CHIP_LM3554},
> + {LM3556_NAME, CHIP_LM3556},
> + {}
> +};
> +
> +MODULE_DEVICE_TABLE(i2c, lm355x_id);
> +
> +static struct i2c_driver lm355x_i2c_driver = {
> + .driver = {
> + .name = LM355x_NAME,
> + .owner = THIS_MODULE,
> + .pm = NULL,
> + },
> + .probe = lm355x_probe,
> + .remove = __devexit_p(lm355x_remove),
> + .id_table = lm355x_id,
> +};
> +
> +module_i2c_driver(lm355x_i2c_driver);
> +
> +MODULE_DESCRIPTION("Texas Instruments Flash Lighting driver for LM355x");
> +MODULE_AUTHOR("Daniel Jeong <daniel.jeong@...com>");
> +MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@...il.com>");
> +MODULE_LICENSE("GPL v2");
> diff --git a/include/linux/platform_data/leds-lm355x.h b/include/linux/platform_data/leds-lm355x.h
> new file mode 100644
> index 0000000..b88724b
> --- /dev/null
> +++ b/include/linux/platform_data/leds-lm355x.h
> @@ -0,0 +1,66 @@
> +/*
> + * Copyright (C) 2012 Texas Instruments
> + *
> + * License Terms: GNU General Public License v2
> + *
> + * Simple driver for Texas Instruments LM355x LED driver chip
> + *
> + * Author: G.Shark Jeong <gshark.jeong@...il.com>
> + * Daniel Jeong <daniel.jeong@...com>
> + */
> +
> +#define LM355x_NAME "leds-lm355x"
> +#define LM3554_NAME "leds-lm3554"
> +#define LM3556_NAME "leds-lm3556"
> +
> +/* lm3554 : strobe def. on */
> +enum lm355x_strobe {
> + LM355x_PIN_STROBE_DISABLE = 0x00,
> + LM355x_PIN_STROBE_ENABLE = 0x01,
> +};
> +
> +enum lm355x_torch {
> + LM355x_PIN_TORCH_DISABLE = 0,
> + LM3554_PIN_TORCH_ENABLE = 0x80,
> + LM3556_PIN_TORCH_ENABLE = 0x10,
> +};
> +
> +enum lm355x_tx2 {
> + LM355x_PIN_TX_DISABLE = 0,
> + LM3554_PIN_TX_ENABLE = 0x20,
> + LM3556_PIN_TX_ENABLE = 0x40,
> +};
> +
> +enum lm355x_ntc {
> + LM355x_PIN_NTC_DISABLE = 0,
> + LM3554_PIN_NTC_ENABLE = 0x08,
> + LM3556_PIN_NTC_ENABLE = 0x80,
> +};
> +
> +enum lm355x_pmode {
> + LM355x_PMODE_DISABLE = 0,
> + LM355x_PMODE_ENABLE = 0x04,
> +};
> +
> +/*
> + * struct lm3554_platform_data
> + * @pin_strobe: strobe input
> + * @pin_torch : input pin
> + * lm3554-tx1/torch/gpio1
> + * lm3556-torch
> + * @pin_tx2 : input pin
> + * lm3554-envm/tx2/gpio2
> + * lm3556-tx pin
> + * @ntc_pin : output pin
> + * lm3554-ledi/ntc
> + * lm3556-temp pin
> + * @pass_mode : pass mode
> + */
> +struct lm355x_platform_data {
> + enum lm355x_strobe pin_strobe;
> + enum lm355x_torch pin_tx1;
> + enum lm355x_tx2 pin_tx2;
> + enum lm355x_ntc ntc_pin;
> +
> + enum lm355x_pmode pass_mode;
> +};
> --
> 1.7.5.4
>
--
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