linux-imx

/*

 * Broadcom BCM590xx regulator driver

 *

 * Copyright 2014 Linaro Limited

 * Author: Matt Porter <mporter@linaro.org>

 *

 * 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/err.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/mfd/bcm590xx.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/platform_device.h>

#include <linux/regulator/driver.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/of_regulator.h>

#include <linux/slab.h>

​

/* I2C slave 0 registers */

#define BCM590XX_RFLDOPMCTRL1   0x60

#define BCM590XX_IOSR1PMCTRL1   0x7a

#define BCM590XX_IOSR2PMCTRL1   0x7c

#define BCM590XX_CSRPMCTRL1 0x7e

#define BCM590XX_SDSR1PMCTRL1   0x82

#define BCM590XX_SDSR2PMCTRL1   0x86

#define BCM590XX_MSRPMCTRL1 0x8a

#define BCM590XX_VSRPMCTRL1 0x8e

#define BCM590XX_RFLDOCTRL  0x96

#define BCM590XX_CSRVOUT1   0xc0

​

/* I2C slave 1 registers */

#define BCM590XX_GPLDO5PMCTRL1  0x16

#define BCM590XX_GPLDO6PMCTRL1  0x18

#define BCM590XX_GPLDO1CTRL 0x1a

#define BCM590XX_GPLDO2CTRL 0x1b

#define BCM590XX_GPLDO3CTRL 0x1c

#define BCM590XX_GPLDO4CTRL 0x1d

#define BCM590XX_GPLDO5CTRL 0x1e

#define BCM590XX_GPLDO6CTRL 0x1f

#define BCM590XX_OTG_CTRL   0x40

#define BCM590XX_GPLDO1PMCTRL1  0x57

#define BCM590XX_GPLDO2PMCTRL1  0x59

#define BCM590XX_GPLDO3PMCTRL1  0x5b

#define BCM590XX_GPLDO4PMCTRL1  0x5d

​

#define BCM590XX_REG_ENABLE BIT(7)

#define BCM590XX_VBUS_ENABLE    BIT(2)

#define BCM590XX_LDO_VSEL_MASK  GENMASK(5, 3)

#define BCM590XX_SR_VSEL_MASK   GENMASK(5, 0)

​

/*

 * RFLDO to VSR regulators are

 * accessed via I2C slave 0

 */

​

/* LDO regulator IDs */

#define BCM590XX_REG_RFLDO  0