aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mfd
diff options
context:
space:
mode:
authorBeomho Seo <beomho.seo@samsung.com>2014-12-09 07:03:51 -0500
committerLee Jones <lee.jones@linaro.org>2015-01-22 10:55:47 -0500
commit0b271258544b3f89f9a14fa3b53e20ec9ce75392 (patch)
tree67dd466700c717574443f6c46e6e382c94581713 /include/linux/mfd
parent52a98dcd3727dee2c75a0353b42b210570ee7911 (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>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/rt5033-private.h260
-rw-r--r--include/linux/mfd/rt5033.h62
2 files changed, 322 insertions, 0 deletions
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
15enum 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
217enum 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 */
21enum rt5033_regulators {
22 RT5033_BUCK = 0,
23 RT5033_LDO,
24 RT5033_SAFE_LDO,
25
26 RT5033_REGULATOR_NUM,
27};
28
29struct 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
38struct 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 */
46struct 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
54struct 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__ */
generated by cgit v1.2.2 (git 2.25.0) at 2026-02-20 11:21:07 -0500