1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) ST-Ericsson SA 2010
4 */
5
6 #ifndef __LINUX_MFD_TC3589x_H
7 #define __LINUX_MFD_TC3589x_H
8
9 struct device;
10
11 enum tx3589x_block {
12 TC3589x_BLOCK_GPIO = 1 << 0,
13 TC3589x_BLOCK_KEYPAD = 1 << 1,
14 };
15
16 #define TC3589x_RSTCTRL_IRQRST (1 << 4)
17 #define TC3589x_RSTCTRL_TIMRST (1 << 3)
18 #define TC3589x_RSTCTRL_ROTRST (1 << 2)
19 #define TC3589x_RSTCTRL_KBDRST (1 << 1)
20 #define TC3589x_RSTCTRL_GPIRST (1 << 0)
21
22 #define TC3589x_DKBDMSK_ELINT (1 << 1)
23 #define TC3589x_DKBDMSK_EINT (1 << 0)
24
25 /* Keyboard Configuration Registers */
26 #define TC3589x_KBDSETTLE_REG 0x01
27 #define TC3589x_KBDBOUNCE 0x02
28 #define TC3589x_KBDSIZE 0x03
29 #define TC3589x_KBCFG_LSB 0x04
30 #define TC3589x_KBCFG_MSB 0x05
31 #define TC3589x_KBDIC 0x08
32 #define TC3589x_KBDMSK 0x09
33 #define TC3589x_EVTCODE_FIFO 0x10
34 #define TC3589x_KBDMFS 0x8F
35
36 #define TC3589x_IRQST 0x91
37
38 #define TC3589x_MANFCODE_MAGIC 0x03
39 #define TC3589x_MANFCODE 0x80
40 #define TC3589x_VERSION 0x81
41 #define TC3589x_IOCFG 0xA7
42
43 #define TC3589x_CLKMODE 0x88
44 #define TC3589x_CLKCFG 0x89
45 #define TC3589x_CLKEN 0x8A
46
47 #define TC3589x_RSTCTRL 0x82
48 #define TC3589x_EXTRSTN 0x83
49 #define TC3589x_RSTINTCLR 0x84
50
51 /* Pull up/down configuration registers */
52 #define TC3589x_IOCFG 0xA7
53 #define TC3589x_IOPULLCFG0_LSB 0xAA
54 #define TC3589x_IOPULLCFG0_MSB 0xAB
55 #define TC3589x_IOPULLCFG1_LSB 0xAC
56 #define TC3589x_IOPULLCFG1_MSB 0xAD
57 #define TC3589x_IOPULLCFG2_LSB 0xAE
58
59 #define TC3589x_GPIOIS0 0xC9
60 #define TC3589x_GPIOIS1 0xCA
61 #define TC3589x_GPIOIS2 0xCB
62 #define TC3589x_GPIOIBE0 0xCC
63 #define TC3589x_GPIOIBE1 0xCD
64 #define TC3589x_GPIOIBE2 0xCE
65 #define TC3589x_GPIOIEV0 0xCF
66 #define TC3589x_GPIOIEV1 0xD0
67 #define TC3589x_GPIOIEV2 0xD1
68 #define TC3589x_GPIOIE0 0xD2
69 #define TC3589x_GPIOIE1 0xD3
70 #define TC3589x_GPIOIE2 0xD4
71 #define TC3589x_GPIORIS0 0xD6
72 #define TC3589x_GPIORIS1 0xD7
73 #define TC3589x_GPIORIS2 0xD8
74 #define TC3589x_GPIOMIS0 0xD9
75 #define TC3589x_GPIOMIS1 0xDA
76 #define TC3589x_GPIOMIS2 0xDB
77 #define TC3589x_GPIOIC0 0xDC
78 #define TC3589x_GPIOIC1 0xDD
79 #define TC3589x_GPIOIC2 0xDE
80
81 #define TC3589x_GPIODATA0 0xC0
82 #define TC3589x_GPIOMASK0 0xc1
83 #define TC3589x_GPIODATA1 0xC2
84 #define TC3589x_GPIOMASK1 0xc3
85 #define TC3589x_GPIODATA2 0xC4
86 #define TC3589x_GPIOMASK2 0xC5
87
88 #define TC3589x_GPIODIR0 0xC6
89 #define TC3589x_GPIODIR1 0xC7
90 #define TC3589x_GPIODIR2 0xC8
91
92 #define TC3589x_GPIOSYNC0 0xE6
93 #define TC3589x_GPIOSYNC1 0xE7
94 #define TC3589x_GPIOSYNC2 0xE8
95
96 #define TC3589x_GPIOWAKE0 0xE9
97 #define TC3589x_GPIOWAKE1 0xEA
98 #define TC3589x_GPIOWAKE2 0xEB
99
100 #define TC3589x_GPIOODM0 0xE0
101 #define TC3589x_GPIOODE0 0xE1
102 #define TC3589x_GPIOODM1 0xE2
103 #define TC3589x_GPIOODE1 0xE3
104 #define TC3589x_GPIOODM2 0xE4
105 #define TC3589x_GPIOODE2 0xE5
106
107 #define TC3589x_DIRECT0 0xEC
108 #define TC3589x_DKBDMSK 0xF3
109
110 #define TC3589x_INT_GPIIRQ 0
111 #define TC3589x_INT_TI0IRQ 1
112 #define TC3589x_INT_TI1IRQ 2
113 #define TC3589x_INT_TI2IRQ 3
114 #define TC3589x_INT_ROTIRQ 5
115 #define TC3589x_INT_KBDIRQ 6
116 #define TC3589x_INT_PORIRQ 7
117
118 #define TC3589x_NR_INTERNAL_IRQS 8
119
120 struct tc3589x {
121 struct mutex lock;
122 struct device *dev;
123 struct i2c_client *i2c;
124 struct irq_domain *domain;
125
126 int irq_base;
127 int num_gpio;
128 struct tc3589x_platform_data *pdata;
129 };
130
131 extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
132 extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
133 extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
134 u8 *values);
135 extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
136 const u8 *values);
137 extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
138
139 /*
140 * Keypad related platform specific constants
141 * These values may be modified for fine tuning
142 */
143 #define TC_KPD_ROWS 0x8
144 #define TC_KPD_COLUMNS 0x8
145 #define TC_KPD_DEBOUNCE_PERIOD 0xA3
146 #define TC_KPD_SETTLE_TIME 0xA3
147
148
149 /**
150 * struct tc3589x_platform_data - TC3589x platform data
151 * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
152 */
153 struct tc3589x_platform_data {
154 unsigned int block;
155 };
156
157 #endif
158
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