Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / linux / mfd / rc5t583.h
diff --git a/kernel/include/linux/mfd/rc5t583.h b/kernel/include/linux/mfd/rc5t583.h
new file mode 100644 (file)
index 0000000..fd413cc
--- /dev/null
@@ -0,0 +1,380 @@
+/*
+ * 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_EN_REGS  8
+#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_EN_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