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linux-hardened/include/linux/mfd/rc5t583.h
Venu Byravarasu 90829c089e rtc: rc5t583: add ricoh rc5t583 RTC driver 
Add an RTC driver for the RTC device on Ricoh MFD Rc5t583.  Ricoh RTC has
3 types of alarms.  The current patch adds support for the Y-Alarm of
RC5t583 RTC.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-06 03:05:03 +09:00

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/*
* Core driver interface to access RICOH_RC5T583 power management chip.
*
* Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
* Author: Laxman dewangan <ldewangan@nvidia.com>
*
* Based on code
* Copyright (C) 2011 RICOH COMPANY,LTD
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __LINUX_MFD_RC5T583_H
#define __LINUX_MFD_RC5T583_H
#include <linux/mutex.h>
#include <linux/types.h>
#include <linux/regmap.h>
#define RC5T583_MAX_REGS 0xF8
/* Maximum number of main interrupts */
#define MAX_MAIN_INTERRUPT 5
#define RC5T583_MAX_GPEDGE_REG 2
#define RC5T583_MAX_INTERRUPT_MASK_REGS 9
/* Interrupt enable register */
#define RC5T583_INT_EN_SYS1 0x19
#define RC5T583_INT_EN_SYS2 0x1D
#define RC5T583_INT_EN_DCDC 0x41
#define RC5T583_INT_EN_RTC 0xED
#define RC5T583_INT_EN_ADC1 0x90
#define RC5T583_INT_EN_ADC2 0x91
#define RC5T583_INT_EN_ADC3 0x92
/* Interrupt status registers (monitor regs in Ricoh)*/
#define RC5T583_INTC_INTPOL 0xAD
#define RC5T583_INTC_INTEN 0xAE
#define RC5T583_INTC_INTMON 0xAF
#define RC5T583_INT_MON_GRP 0xAF
#define RC5T583_INT_MON_SYS1 0x1B
#define RC5T583_INT_MON_SYS2 0x1F
#define RC5T583_INT_MON_DCDC 0x43
#define RC5T583_INT_MON_RTC 0xEE
/* Interrupt clearing registers */
#define RC5T583_INT_IR_SYS1 0x1A
#define RC5T583_INT_IR_SYS2 0x1E
#define RC5T583_INT_IR_DCDC 0x42
#define RC5T583_INT_IR_RTC 0xEE
#define RC5T583_INT_IR_ADCL 0x94
#define RC5T583_INT_IR_ADCH 0x95
#define RC5T583_INT_IR_ADCEND 0x96
#define RC5T583_INT_IR_GPIOR 0xA9
#define RC5T583_INT_IR_GPIOF 0xAA
/* Sleep sequence registers */
#define RC5T583_SLPSEQ1 0x21
#define RC5T583_SLPSEQ2 0x22
#define RC5T583_SLPSEQ3 0x23
#define RC5T583_SLPSEQ4 0x24
#define RC5T583_SLPSEQ5 0x25
#define RC5T583_SLPSEQ6 0x26
#define RC5T583_SLPSEQ7 0x27
#define RC5T583_SLPSEQ8 0x28
#define RC5T583_SLPSEQ9 0x29
#define RC5T583_SLPSEQ10 0x2A
#define RC5T583_SLPSEQ11 0x2B
/* Regulator registers */
#define RC5T583_REG_DC0CTL 0x30
#define RC5T583_REG_DC0DAC 0x31
#define RC5T583_REG_DC0LATCTL 0x32
#define RC5T583_REG_SR0CTL 0x33
#define RC5T583_REG_DC1CTL 0x34
#define RC5T583_REG_DC1DAC 0x35
#define RC5T583_REG_DC1LATCTL 0x36
#define RC5T583_REG_SR1CTL 0x37
#define RC5T583_REG_DC2CTL 0x38
#define RC5T583_REG_DC2DAC 0x39
#define RC5T583_REG_DC2LATCTL 0x3A
#define RC5T583_REG_SR2CTL 0x3B
#define RC5T583_REG_DC3CTL 0x3C
#define RC5T583_REG_DC3DAC 0x3D
#define RC5T583_REG_DC3LATCTL 0x3E
#define RC5T583_REG_SR3CTL 0x3F
#define RC5T583_REG_LDOEN1 0x50
#define RC5T583_REG_LDOEN2 0x51
#define RC5T583_REG_LDODIS1 0x52
#define RC5T583_REG_LDODIS2 0x53
#define RC5T583_REG_LDO0DAC 0x54
#define RC5T583_REG_LDO1DAC 0x55
#define RC5T583_REG_LDO2DAC 0x56
#define RC5T583_REG_LDO3DAC 0x57
#define RC5T583_REG_LDO4DAC 0x58
#define RC5T583_REG_LDO5DAC 0x59
#define RC5T583_REG_LDO6DAC 0x5A
#define RC5T583_REG_LDO7DAC 0x5B
#define RC5T583_REG_LDO8DAC 0x5C
#define RC5T583_REG_LDO9DAC 0x5D
#define RC5T583_REG_DC0DAC_DS 0x60
#define RC5T583_REG_DC1DAC_DS 0x61
#define RC5T583_REG_DC2DAC_DS 0x62
#define RC5T583_REG_DC3DAC_DS 0x63
#define RC5T583_REG_LDO0DAC_DS 0x64
#define RC5T583_REG_LDO1DAC_DS 0x65
#define RC5T583_REG_LDO2DAC_DS 0x66
#define RC5T583_REG_LDO3DAC_DS 0x67
#define RC5T583_REG_LDO4DAC_DS 0x68
#define RC5T583_REG_LDO5DAC_DS 0x69
#define RC5T583_REG_LDO6DAC_DS 0x6A
#define RC5T583_REG_LDO7DAC_DS 0x6B
#define RC5T583_REG_LDO8DAC_DS 0x6C
#define RC5T583_REG_LDO9DAC_DS 0x6D
/* GPIO register base address */
#define RC5T583_GPIO_IOSEL 0xA0
#define RC5T583_GPIO_PDEN 0xA1
#define RC5T583_GPIO_IOOUT 0xA2
#define RC5T583_GPIO_PGSEL 0xA3
#define RC5T583_GPIO_GPINV 0xA4
#define RC5T583_GPIO_GPDEB 0xA5
#define RC5T583_GPIO_GPEDGE1 0xA6
#define RC5T583_GPIO_GPEDGE2 0xA7
#define RC5T583_GPIO_EN_INT 0xA8
#define RC5T583_GPIO_MON_IOIN 0xAB
#define RC5T583_GPIO_GPOFUNC 0xAC
/* RTC registers */
#define RC5T583_RTC_SEC 0xE0
#define RC5T583_RTC_MIN 0xE1
#define RC5T583_RTC_HOUR 0xE2
#define RC5T583_RTC_WDAY 0xE3
#define RC5T583_RTC_DAY 0xE4
#define RC5T583_RTC_MONTH 0xE5
#define RC5T583_RTC_YEAR 0xE6
#define RC5T583_RTC_ADJ 0xE7
#define RC5T583_RTC_AW_MIN 0xE8
#define RC5T583_RTC_AW_HOUR 0xE9
#define RC5T583_RTC_AW_WEEK 0xEA
#define RC5T583_RTC_AD_MIN 0xEB
#define RC5T583_RTC_AD_HOUR 0xEC
#define RC5T583_RTC_CTL1 0xED
#define RC5T583_RTC_CTL2 0xEE
#define RC5T583_RTC_AY_MIN 0xF0
#define RC5T583_RTC_AY_HOUR 0xF1
#define RC5T583_RTC_AY_DAY 0xF2
#define RC5T583_RTC_AY_MONTH 0xF3
#define RC5T583_RTC_AY_YEAR 0xF4
/* RICOH_RC5T583 IRQ definitions */
enum {
RC5T583_IRQ_ONKEY,
RC5T583_IRQ_ACOK,
RC5T583_IRQ_LIDOPEN,
RC5T583_IRQ_PREOT,
RC5T583_IRQ_CLKSTP,
RC5T583_IRQ_ONKEY_OFF,
RC5T583_IRQ_WD,
RC5T583_IRQ_EN_PWRREQ1,
RC5T583_IRQ_EN_PWRREQ2,
RC5T583_IRQ_PRE_VINDET,
RC5T583_IRQ_DC0LIM,
RC5T583_IRQ_DC1LIM,
RC5T583_IRQ_DC2LIM,
RC5T583_IRQ_DC3LIM,
RC5T583_IRQ_CTC,
RC5T583_IRQ_YALE,
RC5T583_IRQ_DALE,
RC5T583_IRQ_WALE,
RC5T583_IRQ_AIN1L,
RC5T583_IRQ_AIN2L,
RC5T583_IRQ_AIN3L,
RC5T583_IRQ_VBATL,
RC5T583_IRQ_VIN3L,
RC5T583_IRQ_VIN8L,
RC5T583_IRQ_AIN1H,
RC5T583_IRQ_AIN2H,
RC5T583_IRQ_AIN3H,
RC5T583_IRQ_VBATH,
RC5T583_IRQ_VIN3H,
RC5T583_IRQ_VIN8H,
RC5T583_IRQ_ADCEND,
RC5T583_IRQ_GPIO0,
RC5T583_IRQ_GPIO1,
RC5T583_IRQ_GPIO2,
RC5T583_IRQ_GPIO3,
RC5T583_IRQ_GPIO4,
RC5T583_IRQ_GPIO5,
RC5T583_IRQ_GPIO6,
RC5T583_IRQ_GPIO7,
/* Should be last entry */
RC5T583_MAX_IRQS,
};
/* Ricoh583 gpio definitions */
enum {
RC5T583_GPIO0,
RC5T583_GPIO1,
RC5T583_GPIO2,
RC5T583_GPIO3,
RC5T583_GPIO4,
RC5T583_GPIO5,
RC5T583_GPIO6,
RC5T583_GPIO7,
/* Should be last entry */
RC5T583_MAX_GPIO,
};
enum {
RC5T583_DS_NONE,
RC5T583_DS_DC0,
RC5T583_DS_DC1,
RC5T583_DS_DC2,
RC5T583_DS_DC3,
RC5T583_DS_LDO0,
RC5T583_DS_LDO1,
RC5T583_DS_LDO2,
RC5T583_DS_LDO3,
RC5T583_DS_LDO4,
RC5T583_DS_LDO5,
RC5T583_DS_LDO6,
RC5T583_DS_LDO7,
RC5T583_DS_LDO8,
RC5T583_DS_LDO9,
RC5T583_DS_PSO0,
RC5T583_DS_PSO1,
RC5T583_DS_PSO2,
RC5T583_DS_PSO3,
RC5T583_DS_PSO4,
RC5T583_DS_PSO5,
RC5T583_DS_PSO6,
RC5T583_DS_PSO7,
/* Should be last entry */
RC5T583_DS_MAX,
};
/*
* Ricoh pmic RC5T583 supports sleep through two external controls.
* The output of gpios and regulator can be enable/disable through
* this external signals.
*/
enum {
RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
};
enum {
RC5T583_REGULATOR_DC0,
RC5T583_REGULATOR_DC1,
RC5T583_REGULATOR_DC2,
RC5T583_REGULATOR_DC3,
RC5T583_REGULATOR_LDO0,
RC5T583_REGULATOR_LDO1,
RC5T583_REGULATOR_LDO2,
RC5T583_REGULATOR_LDO3,
RC5T583_REGULATOR_LDO4,
RC5T583_REGULATOR_LDO5,
RC5T583_REGULATOR_LDO6,
RC5T583_REGULATOR_LDO7,
RC5T583_REGULATOR_LDO8,
RC5T583_REGULATOR_LDO9,
/* Should be last entry */
RC5T583_REGULATOR_MAX,
};
struct rc5t583 {
struct device *dev;
struct regmap *regmap;
int chip_irq;
int irq_base;
struct mutex irq_lock;
unsigned long group_irq_en[MAX_MAIN_INTERRUPT];
/* For main interrupt bits in INTC */
uint8_t intc_inten_reg;
/* For group interrupt bits and address */
uint8_t irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];
/* For gpio edge */
uint8_t gpedge_reg[RC5T583_MAX_GPEDGE_REG];
};
/*
* rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
* The board specific data is provided through this structure.
* @irq_base: Irq base number on which this device registers their interrupts.
* @gpio_base: GPIO base from which gpio of this device will start.
* @enable_shutdown: Enable shutdown through the input pin "shutdown".
* @regulator_deepsleep_slot: The slot number on which device goes to sleep
* in device sleep mode.
* @regulator_ext_pwr_control: External power request regulator control. The
* regulator output enable/disable is controlled by the external
* power request input state.
* @reg_init_data: Regulator init data.
*/
struct rc5t583_platform_data {
int irq_base;
int gpio_base;
bool enable_shutdown;
int regulator_deepsleep_slot[RC5T583_REGULATOR_MAX];
unsigned long regulator_ext_pwr_control[RC5T583_REGULATOR_MAX];
struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX];
};
static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
{
struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
return regmap_write(rc5t583->regmap, reg, val);
}
static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
{
struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
unsigned int ival;
int ret;
ret = regmap_read(rc5t583->regmap, reg, &ival);
if (!ret)
*val = (uint8_t)ival;
return ret;
}
static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
unsigned int bit_mask)
{
struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
}
static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
unsigned int bit_mask)
{
struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
}
static inline int rc5t583_update(struct device *dev, unsigned int reg,
unsigned int val, unsigned int mask)
{
struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
return regmap_update_bits(rc5t583->regmap, reg, mask, val);
}
int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
int ext_pwr_req, int deepsleep_slot_nr);
int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
int rc5t583_irq_exit(struct rc5t583 *rc5t583);
#endif
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