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Release 4.7 drivers/mfd/pcf50633-gpio.c

Directory: drivers/mfd
/* NXP PCF50633 GPIO Driver
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * Author: Balaji Rao <balajirrao@openmoko.org>
 * All rights reserved.
 *
 * Broken down from monstrous PCF50633 driver mainly by
 * Harald Welte, Andy Green and Werner Almesberger
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>

#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/gpio.h>
#include <linux/mfd/pcf50633/pmic.h>


static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
	[PCF50633_REGULATOR_AUTO]	= PCF50633_REG_AUTOOUT,
	[PCF50633_REGULATOR_DOWN1]	= PCF50633_REG_DOWN1OUT,
	[PCF50633_REGULATOR_DOWN2]	= PCF50633_REG_DOWN2OUT,
	[PCF50633_REGULATOR_MEMLDO]	= PCF50633_REG_MEMLDOOUT,
	[PCF50633_REGULATOR_LDO1]	= PCF50633_REG_LDO1OUT,
	[PCF50633_REGULATOR_LDO2]	= PCF50633_REG_LDO2OUT,
	[PCF50633_REGULATOR_LDO3]	= PCF50633_REG_LDO3OUT,
	[PCF50633_REGULATOR_LDO4]	= PCF50633_REG_LDO4OUT,
	[PCF50633_REGULATOR_LDO5]	= PCF50633_REG_LDO5OUT,
	[PCF50633_REGULATOR_LDO6]	= PCF50633_REG_LDO6OUT,
	[PCF50633_REGULATOR_HCLDO]	= PCF50633_REG_HCLDOOUT,
};


int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val) { u8 reg; reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; return pcf50633_reg_set_bit_mask(pcf, reg, 0x07, val); }

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EXPORT_SYMBOL_GPL(pcf50633_gpio_set);
u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio) { u8 reg, val; reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; val = pcf50633_reg_read(pcf, reg) & 0x07; return val; }

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EXPORT_SYMBOL_GPL(pcf50633_gpio_get);
int pcf50633_gpio_invert_set(struct pcf50633 *pcf, int gpio, int invert) { u8 val, reg; reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; val = !!invert << 3; return pcf50633_reg_set_bit_mask(pcf, reg, 1 << 3, val); }

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EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_set);
int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio) { u8 reg, val; reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; val = pcf50633_reg_read(pcf, reg); return val & (1 << 3); }

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EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_get);
int pcf50633_gpio_power_supply_set(struct pcf50633 *pcf, int gpio, int regulator, int on) { u8 reg, val, mask; /* the *ENA register is always one after the *OUT register */ reg = pcf50633_regulator_registers[regulator] + 1; val = !!on << (gpio - PCF50633_GPIO1); mask = 1 << (gpio - PCF50633_GPIO1); return pcf50633_reg_set_bit_mask(pcf, reg, mask, val); }

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EXPORT_SYMBOL_GPL(pcf50633_gpio_power_supply_set); MODULE_LICENSE("GPL");

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Directory: drivers/mfd
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