diff options
author | Beomho Seo <beomho.seo@samsung.com> | 2014-12-09 07:03:51 -0500 |
---|---|---|
committer | Lee Jones <lee.jones@linaro.org> | 2015-01-22 10:55:47 -0500 |
commit | 0b271258544b3f89f9a14fa3b53e20ec9ce75392 (patch) | |
tree | 67dd466700c717574443f6c46e6e382c94581713 | |
parent | 52a98dcd3727dee2c75a0353b42b210570ee7911 (diff) |
mfd: rt5033: Add Richtek RT5033 driver core.
This patch adds a new driver for Richtek RT5033 driver.
RT5033 is a Multifunction device which includes battery charger, fuel gauge,
flash LED current source, LDO and synchronous Buck converter. It is interfaced
to host controller using I2C interface.
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
-rw-r--r-- | drivers/mfd/Kconfig | 12 | ||||
-rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
-rw-r--r-- | drivers/mfd/rt5033.c | 142 | ||||
-rw-r--r-- | include/linux/mfd/rt5033-private.h | 260 | ||||
-rw-r--r-- | include/linux/mfd/rt5033.h | 62 |
5 files changed, 477 insertions, 0 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 2e6b7311fabc..9cd2af660cc5 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig | |||
@@ -623,6 +623,18 @@ config MFD_RTSX_PCI | |||
623 | types of memory cards, such as Memory Stick, Memory Stick Pro, | 623 | types of memory cards, such as Memory Stick, Memory Stick Pro, |
624 | Secure Digital and MultiMediaCard. | 624 | Secure Digital and MultiMediaCard. |
625 | 625 | ||
626 | config MFD_RT5033 | ||
627 | tristate "Richtek RT5033 Power Management IC" | ||
628 | depends on I2C=y | ||
629 | select MFD_CORE | ||
630 | select REGMAP_I2C | ||
631 | help | ||
632 | This driver provides for the Richtek RT5033 Power Management IC, | ||
633 | which includes the I2C driver and the Core APIs. This driver provides | ||
634 | common support for accessing the device. The device supports multiple | ||
635 | sub-devices like charger, fuel gauge, flash LED, current source, | ||
636 | LDO and Buck. | ||
637 | |||
626 | config MFD_RTSX_USB | 638 | config MFD_RTSX_USB |
627 | tristate "Realtek USB card reader" | 639 | tristate "Realtek USB card reader" |
628 | depends on USB | 640 | depends on USB |
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 53467e211381..4059c247c59a 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile | |||
@@ -176,6 +176,7 @@ obj-$(CONFIG_MFD_IPAQ_MICRO) += ipaq-micro.o | |||
176 | obj-$(CONFIG_MFD_MENF21BMC) += menf21bmc.o | 176 | obj-$(CONFIG_MFD_MENF21BMC) += menf21bmc.o |
177 | obj-$(CONFIG_MFD_HI6421_PMIC) += hi6421-pmic-core.o | 177 | obj-$(CONFIG_MFD_HI6421_PMIC) += hi6421-pmic-core.o |
178 | obj-$(CONFIG_MFD_DLN2) += dln2.o | 178 | obj-$(CONFIG_MFD_DLN2) += dln2.o |
179 | obj-$(CONFIG_MFD_RT5033) += rt5033.o | ||
179 | 180 | ||
180 | intel-soc-pmic-objs := intel_soc_pmic_core.o intel_soc_pmic_crc.o | 181 | intel-soc-pmic-objs := intel_soc_pmic_core.o intel_soc_pmic_crc.o |
181 | obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o | 182 | obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o |
diff --git a/drivers/mfd/rt5033.c b/drivers/mfd/rt5033.c new file mode 100644 index 000000000000..db395a6c52bc --- /dev/null +++ b/drivers/mfd/rt5033.c | |||
@@ -0,0 +1,142 @@ | |||
1 | /* | ||
2 | * MFD core driver for the Richtek RT5033. | ||
3 | * | ||
4 | * RT5033 comprises multiple sub-devices switcing charger, fuel gauge, | ||
5 | * flash LED, current source, LDO and BUCK regulators. | ||
6 | * | ||
7 | * Copyright (C) 2014 Samsung Electronics, Co., Ltd. | ||
8 | * Author: Beomho Seo <beomho.seo@samsung.com> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published bythe Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #include <linux/err.h> | ||
16 | #include <linux/module.h> | ||
17 | #include <linux/interrupt.h> | ||
18 | #include <linux/of_device.h> | ||
19 | #include <linux/mfd/core.h> | ||
20 | #include <linux/mfd/rt5033.h> | ||
21 | #include <linux/mfd/rt5033-private.h> | ||
22 | |||
23 | static const struct regmap_irq rt5033_irqs[] = { | ||
24 | { .mask = RT5033_PMIC_IRQ_BUCKOCP, }, | ||
25 | { .mask = RT5033_PMIC_IRQ_BUCKLV, }, | ||
26 | { .mask = RT5033_PMIC_IRQ_SAFELDOLV, }, | ||
27 | { .mask = RT5033_PMIC_IRQ_LDOLV, }, | ||
28 | { .mask = RT5033_PMIC_IRQ_OT, }, | ||
29 | { .mask = RT5033_PMIC_IRQ_VDDA_UV, }, | ||
30 | }; | ||
31 | |||
32 | static const struct regmap_irq_chip rt5033_irq_chip = { | ||
33 | .name = "rt5033", | ||
34 | .status_base = RT5033_REG_PMIC_IRQ_STAT, | ||
35 | .mask_base = RT5033_REG_PMIC_IRQ_CTRL, | ||
36 | .mask_invert = true, | ||
37 | .num_regs = 1, | ||
38 | .irqs = rt5033_irqs, | ||
39 | .num_irqs = ARRAY_SIZE(rt5033_irqs), | ||
40 | }; | ||
41 | |||
42 | static const struct mfd_cell rt5033_devs[] = { | ||
43 | { .name = "rt5033-regulator", }, | ||
44 | { | ||
45 | .name = "rt5033-charger", | ||
46 | .of_compatible = "richtek,rt5033-charger", | ||
47 | }, { | ||
48 | .name = "rt5033-battery", | ||
49 | .of_compatible = "richtek,rt5033-battery", | ||
50 | }, | ||
51 | }; | ||
52 | |||
53 | static const struct regmap_config rt5033_regmap_config = { | ||
54 | .reg_bits = 8, | ||
55 | .val_bits = 8, | ||
56 | .max_register = RT5033_REG_END, | ||
57 | }; | ||
58 | |||
59 | static int rt5033_i2c_probe(struct i2c_client *i2c, | ||
60 | const struct i2c_device_id *id) | ||
61 | { | ||
62 | struct rt5033_dev *rt5033; | ||
63 | unsigned int dev_id; | ||
64 | int ret; | ||
65 | |||
66 | rt5033 = devm_kzalloc(&i2c->dev, sizeof(*rt5033), GFP_KERNEL); | ||
67 | if (!rt5033) | ||
68 | return -ENOMEM; | ||
69 | |||
70 | i2c_set_clientdata(i2c, rt5033); | ||
71 | rt5033->dev = &i2c->dev; | ||
72 | rt5033->irq = i2c->irq; | ||
73 | rt5033->wakeup = true; | ||
74 | |||
75 | rt5033->regmap = devm_regmap_init_i2c(i2c, &rt5033_regmap_config); | ||
76 | if (IS_ERR(rt5033->regmap)) { | ||
77 | dev_err(&i2c->dev, "Failed to allocate register map.\n"); | ||
78 | return PTR_ERR(rt5033->regmap); | ||
79 | } | ||
80 | |||
81 | ret = regmap_read(rt5033->regmap, RT5033_REG_DEVICE_ID, &dev_id); | ||
82 | if (ret) { | ||
83 | dev_err(&i2c->dev, "Device not found\n"); | ||
84 | return -ENODEV; | ||
85 | } | ||
86 | dev_info(&i2c->dev, "Device found Device ID: %04x\n", dev_id); | ||
87 | |||
88 | ret = regmap_add_irq_chip(rt5033->regmap, rt5033->irq, | ||
89 | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, | ||
90 | 0, &rt5033_irq_chip, &rt5033->irq_data); | ||
91 | if (ret) { | ||
92 | dev_err(&i2c->dev, "Failed to request IRQ %d: %d\n", | ||
93 | rt5033->irq, ret); | ||
94 | return ret; | ||
95 | } | ||
96 | |||
97 | ret = mfd_add_devices(rt5033->dev, -1, rt5033_devs, | ||
98 | ARRAY_SIZE(rt5033_devs), NULL, 0, | ||
99 | regmap_irq_get_domain(rt5033->irq_data)); | ||
100 | if (ret < 0) { | ||
101 | dev_err(&i2c->dev, "Failed to add RT5033 child devices.\n"); | ||
102 | return ret; | ||
103 | } | ||
104 | |||
105 | device_init_wakeup(rt5033->dev, rt5033->wakeup); | ||
106 | |||
107 | return 0; | ||
108 | } | ||
109 | |||
110 | static int rt5033_i2c_remove(struct i2c_client *i2c) | ||
111 | { | ||
112 | mfd_remove_devices(&i2c->dev); | ||
113 | |||
114 | return 0; | ||
115 | } | ||
116 | |||
117 | static const struct i2c_device_id rt5033_i2c_id[] = { | ||
118 | { "rt5033", }, | ||
119 | { } | ||
120 | }; | ||
121 | MODULE_DEVICE_TABLE(i2c, rt5033_i2c_id); | ||
122 | |||
123 | static const struct of_device_id rt5033_dt_match[] = { | ||
124 | { .compatible = "richtek,rt5033", }, | ||
125 | { } | ||
126 | }; | ||
127 | |||
128 | static struct i2c_driver rt5033_driver = { | ||
129 | .driver = { | ||
130 | .name = "rt5033", | ||
131 | .of_match_table = of_match_ptr(rt5033_dt_match), | ||
132 | }, | ||
133 | .probe = rt5033_i2c_probe, | ||
134 | .remove = rt5033_i2c_remove, | ||
135 | .id_table = rt5033_i2c_id, | ||
136 | }; | ||
137 | module_i2c_driver(rt5033_driver); | ||
138 | |||
139 | MODULE_ALIAS("i2c:rt5033"); | ||
140 | MODULE_DESCRIPTION("Richtek RT5033 multi-function core driver"); | ||
141 | MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>"); | ||
142 | MODULE_LICENSE("GPL"); | ||
diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h new file mode 100644 index 000000000000..1b63fc2f42d1 --- /dev/null +++ b/include/linux/mfd/rt5033-private.h | |||
@@ -0,0 +1,260 @@ | |||
1 | /* | ||
2 | * MFD core driver for Richtek RT5033 | ||
3 | * | ||
4 | * Copyright (C) 2014 Samsung Electronics, Co., Ltd. | ||
5 | * Author: Beomho Seo <beomho.seo@samsung.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published bythe Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #ifndef __RT5033_PRIVATE_H__ | ||
13 | #define __RT5033_PRIVATE_H__ | ||
14 | |||
15 | enum rt5033_reg { | ||
16 | RT5033_REG_CHG_STAT = 0x00, | ||
17 | RT5033_REG_CHG_CTRL1 = 0x01, | ||
18 | RT5033_REG_CHG_CTRL2 = 0x02, | ||
19 | RT5033_REG_DEVICE_ID = 0x03, | ||
20 | RT5033_REG_CHG_CTRL3 = 0x04, | ||
21 | RT5033_REG_CHG_CTRL4 = 0x05, | ||
22 | RT5033_REG_CHG_CTRL5 = 0x06, | ||
23 | RT5033_REG_RT_CTRL0 = 0x07, | ||
24 | RT5033_REG_CHG_RESET = 0x08, | ||
25 | /* Reserved 0x09~0x18 */ | ||
26 | RT5033_REG_RT_CTRL1 = 0x19, | ||
27 | /* Reserved 0x1A~0x20 */ | ||
28 | RT5033_REG_FLED_FUNCTION1 = 0x21, | ||
29 | RT5033_REG_FLED_FUNCTION2 = 0x22, | ||
30 | RT5033_REG_FLED_STROBE_CTRL1 = 0x23, | ||
31 | RT5033_REG_FLED_STROBE_CTRL2 = 0x24, | ||
32 | RT5033_REG_FLED_CTRL1 = 0x25, | ||
33 | RT5033_REG_FLED_CTRL2 = 0x26, | ||
34 | RT5033_REG_FLED_CTRL3 = 0x27, | ||
35 | RT5033_REG_FLED_CTRL4 = 0x28, | ||
36 | RT5033_REG_FLED_CTRL5 = 0x29, | ||
37 | /* Reserved 0x2A~0x40 */ | ||
38 | RT5033_REG_CTRL = 0x41, | ||
39 | RT5033_REG_BUCK_CTRL = 0x42, | ||
40 | RT5033_REG_LDO_CTRL = 0x43, | ||
41 | /* Reserved 0x44~0x46 */ | ||
42 | RT5033_REG_MANUAL_RESET_CTRL = 0x47, | ||
43 | /* Reserved 0x48~0x5F */ | ||
44 | RT5033_REG_CHG_IRQ1 = 0x60, | ||
45 | RT5033_REG_CHG_IRQ2 = 0x61, | ||
46 | RT5033_REG_CHG_IRQ3 = 0x62, | ||
47 | RT5033_REG_CHG_IRQ1_CTRL = 0x63, | ||
48 | RT5033_REG_CHG_IRQ2_CTRL = 0x64, | ||
49 | RT5033_REG_CHG_IRQ3_CTRL = 0x65, | ||
50 | RT5033_REG_LED_IRQ_STAT = 0x66, | ||
51 | RT5033_REG_LED_IRQ_CTRL = 0x67, | ||
52 | RT5033_REG_PMIC_IRQ_STAT = 0x68, | ||
53 | RT5033_REG_PMIC_IRQ_CTRL = 0x69, | ||
54 | RT5033_REG_SHDN_CTRL = 0x6A, | ||
55 | RT5033_REG_OFF_EVENT = 0x6B, | ||
56 | |||
57 | RT5033_REG_END, | ||
58 | }; | ||
59 | |||
60 | /* RT5033 Charger state register */ | ||
61 | #define RT5033_CHG_STAT_MASK 0x20 | ||
62 | #define RT5033_CHG_STAT_DISCHARGING 0x00 | ||
63 | #define RT5033_CHG_STAT_FULL 0x10 | ||
64 | #define RT5033_CHG_STAT_CHARGING 0x20 | ||
65 | #define RT5033_CHG_STAT_NOT_CHARGING 0x30 | ||
66 | #define RT5033_CHG_STAT_TYPE_MASK 0x60 | ||
67 | #define RT5033_CHG_STAT_TYPE_PRE 0x20 | ||
68 | #define RT5033_CHG_STAT_TYPE_FAST 0x60 | ||
69 | |||
70 | /* RT5033 CHGCTRL1 register */ | ||
71 | #define RT5033_CHGCTRL1_IAICR_MASK 0xe0 | ||
72 | #define RT5033_CHGCTRL1_MODE_MASK 0x01 | ||
73 | |||
74 | /* RT5033 CHGCTRL2 register */ | ||
75 | #define RT5033_CHGCTRL2_CV_MASK 0xfc | ||
76 | |||
77 | /* RT5033 CHGCTRL3 register */ | ||
78 | #define RT5033_CHGCTRL3_CFO_EN_MASK 0x40 | ||
79 | #define RT5033_CHGCTRL3_TIMER_MASK 0x38 | ||
80 | #define RT5033_CHGCTRL3_TIMER_EN_MASK 0x01 | ||
81 | |||
82 | /* RT5033 CHGCTRL4 register */ | ||
83 | #define RT5033_CHGCTRL4_EOC_MASK 0x07 | ||
84 | #define RT5033_CHGCTRL4_IPREC_MASK 0x18 | ||
85 | |||
86 | /* RT5033 CHGCTRL5 register */ | ||
87 | #define RT5033_CHGCTRL5_VPREC_MASK 0x0f | ||
88 | #define RT5033_CHGCTRL5_ICHG_MASK 0xf0 | ||
89 | #define RT5033_CHGCTRL5_ICHG_SHIFT 0x04 | ||
90 | #define RT5033_CHG_MAX_CURRENT 0x0d | ||
91 | |||
92 | /* RT5033 RT CTRL1 register */ | ||
93 | #define RT5033_RT_CTRL1_UUG_MASK 0x02 | ||
94 | #define RT5033_RT_HZ_MASK 0x01 | ||
95 | |||
96 | /* RT5033 control register */ | ||
97 | #define RT5033_CTRL_FCCM_BUCK_MASK 0x00 | ||
98 | #define RT5033_CTRL_BUCKOMS_MASK 0x01 | ||
99 | #define RT5033_CTRL_LDOOMS_MASK 0x02 | ||
100 | #define RT5033_CTRL_SLDOOMS_MASK 0x03 | ||
101 | #define RT5033_CTRL_EN_BUCK_MASK 0x04 | ||
102 | #define RT5033_CTRL_EN_LDO_MASK 0x05 | ||
103 | #define RT5033_CTRL_EN_SAFE_LDO_MASK 0x06 | ||
104 | #define RT5033_CTRL_LDO_SLEEP_MASK 0x07 | ||
105 | |||
106 | /* RT5033 BUCK control register */ | ||
107 | #define RT5033_BUCK_CTRL_MASK 0x1f | ||
108 | |||
109 | /* RT5033 LDO control register */ | ||
110 | #define RT5033_LDO_CTRL_MASK 0x1f | ||
111 | |||
112 | /* RT5033 charger property - model, manufacturer */ | ||
113 | |||
114 | #define RT5033_CHARGER_MODEL "RT5033WSC Charger" | ||
115 | #define RT5033_MANUFACTURER "Richtek Technology Corporation" | ||
116 | |||
117 | /* | ||
118 | * RT5033 charger fast-charge current lmits (as in CHGCTRL1 register), | ||
119 | * AICR mode limits the input current for example, | ||
120 | * the AIRC 100 mode limits the input current to 100 mA. | ||
121 | */ | ||
122 | #define RT5033_AICR_100_MODE 0x20 | ||
123 | #define RT5033_AICR_500_MODE 0x40 | ||
124 | #define RT5033_AICR_700_MODE 0x60 | ||
125 | #define RT5033_AICR_900_MODE 0x80 | ||
126 | #define RT5033_AICR_1500_MODE 0xc0 | ||
127 | #define RT5033_AICR_2000_MODE 0xe0 | ||
128 | #define RT5033_AICR_MODE_MASK 0xe0 | ||
129 | |||
130 | /* RT5033 use internal timer need to set time */ | ||
131 | #define RT5033_FAST_CHARGE_TIMER4 0x00 | ||
132 | #define RT5033_FAST_CHARGE_TIMER6 0x01 | ||
133 | #define RT5033_FAST_CHARGE_TIMER8 0x02 | ||
134 | #define RT5033_FAST_CHARGE_TIMER9 0x03 | ||
135 | #define RT5033_FAST_CHARGE_TIMER12 0x04 | ||
136 | #define RT5033_FAST_CHARGE_TIMER14 0x05 | ||
137 | #define RT5033_FAST_CHARGE_TIMER16 0x06 | ||
138 | |||
139 | #define RT5033_INT_TIMER_ENABLE 0x01 | ||
140 | |||
141 | /* RT5033 charger termination enable mask */ | ||
142 | #define RT5033_TE_ENABLE_MASK 0x08 | ||
143 | |||
144 | /* | ||
145 | * RT5033 charger opa mode. RT50300 have two opa mode charger mode | ||
146 | * and boost mode for OTG | ||
147 | */ | ||
148 | |||
149 | #define RT5033_CHARGER_MODE 0x00 | ||
150 | #define RT5033_BOOST_MODE 0x01 | ||
151 | |||
152 | /* RT5033 charger termination enable */ | ||
153 | #define RT5033_TE_ENABLE 0x08 | ||
154 | |||
155 | /* RT5033 charger CFO enable */ | ||
156 | #define RT5033_CFO_ENABLE 0x40 | ||
157 | |||
158 | /* RT5033 charger constant charge voltage (as in CHGCTRL2 register), uV */ | ||
159 | #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN 3650000U | ||
160 | #define RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM 25000U | ||
161 | #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX 4400000U | ||
162 | |||
163 | /* RT5033 charger pre-charge current limits (as in CHGCTRL4 register), uA */ | ||
164 | #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN 350000U | ||
165 | #define RT5033_CHARGER_PRE_CURRENT_STEP_NUM 100000U | ||
166 | #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX 650000U | ||
167 | |||
168 | /* RT5033 charger fast-charge current (as in CHGCTRL5 register), uA */ | ||
169 | #define RT5033_CHARGER_FAST_CURRENT_MIN 700000U | ||
170 | #define RT5033_CHARGER_FAST_CURRENT_STEP_NUM 100000U | ||
171 | #define RT5033_CHARGER_FAST_CURRENT_MAX 2000000U | ||
172 | |||
173 | /* | ||
174 | * RT5033 charger const-charge end of charger current ( | ||
175 | * as in CHGCTRL4 register), uA | ||
176 | */ | ||
177 | #define RT5033_CHARGER_EOC_MIN 150000U | ||
178 | #define RT5033_CHARGER_EOC_REF 300000U | ||
179 | #define RT5033_CHARGER_EOC_STEP_NUM1 50000U | ||
180 | #define RT5033_CHARGER_EOC_STEP_NUM2 100000U | ||
181 | #define RT5033_CHARGER_EOC_MAX 600000U | ||
182 | |||
183 | /* | ||
184 | * RT5033 charger pre-charge threshold volt limits | ||
185 | * (as in CHGCTRL5 register), uV | ||
186 | */ | ||
187 | |||
188 | #define RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN 2300000U | ||
189 | #define RT5033_CHARGER_PRE_THRESHOLD_STEP_NUM 100000U | ||
190 | #define RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX 3800000U | ||
191 | |||
192 | /* | ||
193 | * RT5033 charger enable UUG, If UUG enable MOS auto control by H/W charger | ||
194 | * circuit. | ||
195 | */ | ||
196 | #define RT5033_CHARGER_UUG_ENABLE 0x02 | ||
197 | |||
198 | /* RT5033 charger High impedance mode */ | ||
199 | #define RT5033_CHARGER_HZ_DISABLE 0x00 | ||
200 | #define RT5033_CHARGER_HZ_ENABLE 0x01 | ||
201 | |||
202 | /* RT5033 regulator BUCK output voltage uV */ | ||
203 | #define RT5033_REGULATOR_BUCK_VOLTAGE_MIN 1000000U | ||
204 | #define RT5033_REGULATOR_BUCK_VOLTAGE_MAX 3000000U | ||
205 | #define RT5033_REGULATOR_BUCK_VOLTAGE_STEP 100000U | ||
206 | #define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 32 | ||
207 | |||
208 | /* RT5033 regulator LDO output voltage uV */ | ||
209 | #define RT5033_REGULATOR_LDO_VOLTAGE_MIN 1200000U | ||
210 | #define RT5033_REGULATOR_LDO_VOLTAGE_MAX 3000000U | ||
211 | #define RT5033_REGULATOR_LDO_VOLTAGE_STEP 100000U | ||
212 | #define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 32 | ||
213 | |||
214 | /* RT5033 regulator SAFE LDO output voltage uV */ | ||
215 | #define RT5033_REGULATOR_SAFE_LDO_VOLTAGE 4900000U | ||
216 | |||
217 | enum rt5033_fuel_reg { | ||
218 | RT5033_FUEL_REG_OCV_H = 0x00, | ||
219 | RT5033_FUEL_REG_OCV_L = 0x01, | ||
220 | RT5033_FUEL_REG_VBAT_H = 0x02, | ||
221 | RT5033_FUEL_REG_VBAT_L = 0x03, | ||
222 | RT5033_FUEL_REG_SOC_H = 0x04, | ||
223 | RT5033_FUEL_REG_SOC_L = 0x05, | ||
224 | RT5033_FUEL_REG_CTRL_H = 0x06, | ||
225 | RT5033_FUEL_REG_CTRL_L = 0x07, | ||
226 | RT5033_FUEL_REG_CRATE = 0x08, | ||
227 | RT5033_FUEL_REG_DEVICE_ID = 0x09, | ||
228 | RT5033_FUEL_REG_AVG_VOLT_H = 0x0A, | ||
229 | RT5033_FUEL_REG_AVG_VOLT_L = 0x0B, | ||
230 | RT5033_FUEL_REG_CONFIG_H = 0x0C, | ||
231 | RT5033_FUEL_REG_CONFIG_L = 0x0D, | ||
232 | /* Reserved 0x0E~0x0F */ | ||
233 | RT5033_FUEL_REG_IRQ_CTRL = 0x10, | ||
234 | RT5033_FUEL_REG_IRQ_FLAG = 0x11, | ||
235 | RT5033_FUEL_VMIN = 0x12, | ||
236 | RT5033_FUEL_SMIN = 0x13, | ||
237 | /* Reserved 0x14~0x1F */ | ||
238 | RT5033_FUEL_VGCOMP1 = 0x20, | ||
239 | RT5033_FUEL_VGCOMP2 = 0x21, | ||
240 | RT5033_FUEL_VGCOMP3 = 0x22, | ||
241 | RT5033_FUEL_VGCOMP4 = 0x23, | ||
242 | /* Reserved 0x24~0xFD */ | ||
243 | RT5033_FUEL_MFA_H = 0xFE, | ||
244 | RT5033_FUEL_MFA_L = 0xFF, | ||
245 | |||
246 | RT5033_FUEL_REG_END, | ||
247 | }; | ||
248 | |||
249 | /* RT5033 fuel gauge battery present property */ | ||
250 | #define RT5033_FUEL_BAT_PRESENT 0x02 | ||
251 | |||
252 | /* RT5033 PMIC interrupts */ | ||
253 | #define RT5033_PMIC_IRQ_BUCKOCP 2 | ||
254 | #define RT5033_PMIC_IRQ_BUCKLV 3 | ||
255 | #define RT5033_PMIC_IRQ_SAFELDOLV 4 | ||
256 | #define RT5033_PMIC_IRQ_LDOLV 5 | ||
257 | #define RT5033_PMIC_IRQ_OT 6 | ||
258 | #define RT5033_PMIC_IRQ_VDDA_UV 7 | ||
259 | |||
260 | #endif /* __RT5033_PRIVATE_H__ */ | ||
diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h new file mode 100644 index 000000000000..010cff49a98e --- /dev/null +++ b/include/linux/mfd/rt5033.h | |||
@@ -0,0 +1,62 @@ | |||
1 | /* | ||
2 | * MFD core driver for the RT5033 | ||
3 | * | ||
4 | * Copyright (C) 2014 Samsung Electronics | ||
5 | * Author: Beomho Seo <beomho.seo@samsung.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published bythe Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #ifndef __RT5033_H__ | ||
13 | #define __RT5033_H__ | ||
14 | |||
15 | #include <linux/regulator/consumer.h> | ||
16 | #include <linux/i2c.h> | ||
17 | #include <linux/regmap.h> | ||
18 | #include <linux/power_supply.h> | ||
19 | |||
20 | /* RT5033 regulator IDs */ | ||
21 | enum rt5033_regulators { | ||
22 | RT5033_BUCK = 0, | ||
23 | RT5033_LDO, | ||
24 | RT5033_SAFE_LDO, | ||
25 | |||
26 | RT5033_REGULATOR_NUM, | ||
27 | }; | ||
28 | |||
29 | struct rt5033_dev { | ||
30 | struct device *dev; | ||
31 | |||
32 | struct regmap *regmap; | ||
33 | struct regmap_irq_chip_data *irq_data; | ||
34 | int irq; | ||
35 | bool wakeup; | ||
36 | }; | ||
37 | |||
38 | struct rt5033_battery { | ||
39 | struct i2c_client *client; | ||
40 | struct rt5033_dev *rt5033; | ||
41 | struct regmap *regmap; | ||
42 | struct power_supply psy; | ||
43 | }; | ||
44 | |||
45 | /* RT5033 charger platform data */ | ||
46 | struct rt5033_charger_data { | ||
47 | unsigned int pre_uamp; | ||
48 | unsigned int pre_uvolt; | ||
49 | unsigned int const_uvolt; | ||
50 | unsigned int eoc_uamp; | ||
51 | unsigned int fast_uamp; | ||
52 | }; | ||
53 | |||
54 | struct rt5033_charger { | ||
55 | struct device *dev; | ||
56 | struct rt5033_dev *rt5033; | ||
57 | struct power_supply psy; | ||
58 | |||
59 | struct rt5033_charger_data *chg; | ||
60 | }; | ||
61 | |||
62 | #endif /* __RT5033_H__ */ | ||