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be0524d38f
This is i.MX BSP 5.0.0 release ported to 2.6.31 Signed-off-by: Rob Herring <r.herring@freescale.com> Signed-off-by: Alan Tull <r80115@freescale.com> Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/*
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* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#ifndef __LINUX_MFD_MC34704_CORE_H_
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#define __LINUX_MFD_MC34704_CORE_H_
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#include <linux/kernel.h>
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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#define MC34704_BKLT 0 /* REG1 5V for Backlight */
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#define MC34704_CPU 1 /* REG2 3.3V for CPU & CPU board peripherals */
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#define MC34704_CORE 2 /* REG3 1.45V for CPU Core */
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#define MC34704_DDR 3 /* REG4 1.8V for DDR */
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#define MC34704_PERS 4 /* REG5 3.3V for Personality board */
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#define MC34704_REG6 5 /* REG6 not used */
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#define MC34704_REG7 6 /* REG7 not used */
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#define MC34704_REG8 7 /* REG8 not used */
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#define MC34704_REG_NUM 8
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/* Regulator voltages in mV and dynamic voltage scaling limits in percent */
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#define REG1_V_MV 5000
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#define REG1_DVS_MIN_PCT (-10)
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#define REG1_DVS_MAX_PCT 10
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#define REG2_V_MV 3300
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#define REG2_DVS_MIN_PCT (-20)
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#define REG2_DVS_MAX_PCT 17.5
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#define REG3_V_MV 1450
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#define REG3_DVS_MIN_PCT (-20)
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#define REG3_DVS_MAX_PCT 17.5
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#define REG4_V_MV 1800
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#define REG4_DVS_MIN_PCT (-20)
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#define REG4_DVS_MAX_PCT 17.5
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#define REG5_V_MV 3300
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#define REG5_DVS_MIN_PCT (-20)
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#define REG5_DVS_MAX_PCT 17.5
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struct mc34704;
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struct regulator_init_data;
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struct mc34704_platform_data {
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int (*init) (struct mc34704 *);
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};
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struct mc34704_pmic {
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/* regulator devices */
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struct platform_device *pdev[MC34704_REG_NUM];
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};
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struct mc34704 {
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int rev; /* chip revision */
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struct device *dev;
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/* device IO */
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union {
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struct i2c_client *i2c_client;
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struct spi_device *spi_device;
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};
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u16 *reg_cache;
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/* Client devices */
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struct mc34704_pmic pmic;
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};
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int mc34704_register_regulator(struct mc34704 *mc34704, int reg,
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struct regulator_init_data *initdata);
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#endif
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