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This driver is a general version for LM642 led chip of TI. LM3642 : The LM3642 is a 4MHz fixed-frequency synchronous boost converter plus 1.5A constant current driver for a high-current white LED. The LM3642 is controlled via an I2C-compatible interface. Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
39 lines
823 B
C
39 lines
823 B
C
/*
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* Copyright (C) 2012 Texas Instruments
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*
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* License Terms: GNU General Public License v2
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*
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* Simple driver for Texas Instruments LM3642 LED driver chip
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*
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* Author: G.Shark Jeong <gshark.jeong@gmail.com>
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* Daniel Jeong <daniel.jeong@ti.com>
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*/
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#ifndef __LINUX_LM3642_H
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#define __LINUX_LM3642_H
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#define LM3642_NAME "leds-lm3642"
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enum lm3642_torch_pin_enable {
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LM3642_TORCH_PIN_DISABLE = 0x00,
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LM3642_TORCH_PIN_ENABLE = 0x10,
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};
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enum lm3642_strobe_pin_enable {
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LM3642_STROBE_PIN_DISABLE = 0x00,
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LM3642_STROBE_PIN_ENABLE = 0x20,
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};
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enum lm3642_tx_pin_enable {
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LM3642_TX_PIN_DISABLE = 0x00,
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LM3642_TX_PIN_ENABLE = 0x40,
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};
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struct lm3642_platform_data {
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enum lm3642_torch_pin_enable torch_pin;
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enum lm3642_strobe_pin_enable strobe_pin;
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enum lm3642_tx_pin_enable tx_pin;
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};
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#endif /* __LINUX_LM3642_H */
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