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aa44ef4d SK |
1 | /* |
2 | * Copyright (C) 2008-2009 ST-Ericsson | |
3 | * | |
4 | * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | */ | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/interrupt.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/io.h> | |
b8410a15 | 16 | #include <linux/i2c.h> |
ea05a57f | 17 | #include <linux/gpio.h> |
aa44ef4d SK |
18 | #include <linux/amba/bus.h> |
19 | #include <linux/amba/pl022.h> | |
20 | #include <linux/spi/spi.h> | |
39ae702c | 21 | #include <linux/mfd/ab8500.h> |
20406ebf | 22 | #include <linux/mfd/tc3589x.h> |
aa44ef4d | 23 | |
aa44ef4d SK |
24 | #include <asm/mach-types.h> |
25 | #include <asm/mach/arch.h> | |
26 | ||
ea05a57f | 27 | #include <plat/pincfg.h> |
d48a41c1 | 28 | #include <plat/i2c.h> |
aa44ef4d SK |
29 | |
30 | #include <mach/hardware.h> | |
31 | #include <mach/setup.h> | |
9e4e7fe1 | 32 | #include <mach/devices.h> |
29aeb3cf | 33 | #include <mach/irqs.h> |
aa44ef4d | 34 | |
fbf1eadf | 35 | #include "devices-db8500.h" |
ea05a57f | 36 | #include "pins-db8500.h" |
008f8a2f | 37 | #include "board-mop500.h" |
ea05a57f RV |
38 | |
39 | static pin_cfg_t mop500_pins[] = { | |
40 | /* SSP0 */ | |
41 | GPIO143_SSP0_CLK, | |
42 | GPIO144_SSP0_FRM, | |
43 | GPIO145_SSP0_RXD, | |
44 | GPIO146_SSP0_TXD, | |
45 | ||
46 | /* I2C */ | |
47 | GPIO147_I2C0_SCL, | |
48 | GPIO148_I2C0_SDA, | |
49 | GPIO16_I2C1_SCL, | |
50 | GPIO17_I2C1_SDA, | |
51 | GPIO10_I2C2_SDA, | |
52 | GPIO11_I2C2_SCL, | |
53 | GPIO229_I2C3_SDA, | |
54 | GPIO230_I2C3_SCL, | |
4c61c845 SI |
55 | |
56 | /* SKE keypad */ | |
57 | GPIO153_KP_I7, | |
58 | GPIO154_KP_I6, | |
59 | GPIO155_KP_I5, | |
60 | GPIO156_KP_I4, | |
61 | GPIO157_KP_O7, | |
62 | GPIO158_KP_O6, | |
63 | GPIO159_KP_O5, | |
64 | GPIO160_KP_O4, | |
65 | GPIO161_KP_I3, | |
66 | GPIO162_KP_I2, | |
67 | GPIO163_KP_I1, | |
68 | GPIO164_KP_I0, | |
69 | GPIO165_KP_O3, | |
70 | GPIO166_KP_O2, | |
71 | GPIO167_KP_O1, | |
72 | GPIO168_KP_O0, | |
b8410a15 | 73 | |
556fb038 SI |
74 | /* GPIO_EXP_INT */ |
75 | GPIO217_GPIO, | |
76 | ||
77 | /* STMPE1601 IRQ */ | |
78 | GPIO218_GPIO | PIN_INPUT_PULLUP, | |
ea05a57f RV |
79 | }; |
80 | ||
39ae702c RV |
81 | static struct ab8500_platform_data ab8500_platdata = { |
82 | .irq_base = MOP500_AB8500_IRQ_BASE, | |
83 | }; | |
84 | ||
29aeb3cf LW |
85 | static struct resource ab8500_resources[] = { |
86 | [0] = { | |
22039b7c RV |
87 | .start = IRQ_DB8500_AB8500, |
88 | .end = IRQ_DB8500_AB8500, | |
89 | .flags = IORESOURCE_IRQ | |
29aeb3cf LW |
90 | } |
91 | }; | |
92 | ||
93 | struct platform_device ab8500_device = { | |
94 | .name = "ab8500-i2c", | |
95 | .id = 0, | |
96 | .dev = { | |
97 | .platform_data = &ab8500_platdata, | |
98 | }, | |
99 | .num_resources = 1, | |
100 | .resource = ab8500_resources, | |
101 | }; | |
102 | ||
aa44ef4d SK |
103 | static struct pl022_ssp_controller ssp0_platform_data = { |
104 | .bus_id = 0, | |
105 | /* pl022 not yet supports dma */ | |
106 | .enable_dma = 0, | |
107 | /* on this platform, gpio 31,142,144,214 & | |
108 | * 224 are connected as chip selects | |
109 | */ | |
110 | .num_chipselect = 5, | |
111 | }; | |
112 | ||
b8410a15 RV |
113 | /* |
114 | * TC35892 | |
115 | */ | |
116 | ||
20406ebf | 117 | static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base) |
b8410a15 RV |
118 | { |
119 | mop500_sdi_tc35892_init(); | |
120 | } | |
121 | ||
20406ebf | 122 | static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = { |
b8410a15 RV |
123 | .gpio_base = MOP500_EGPIO(0), |
124 | .setup = mop500_tc35892_init, | |
125 | }; | |
126 | ||
20406ebf | 127 | static struct tc3589x_platform_data mop500_tc35892_data = { |
611b7590 | 128 | .block = TC3589x_BLOCK_GPIO, |
b8410a15 RV |
129 | .gpio = &mop500_tc35892_gpio_data, |
130 | .irq_base = MOP500_EGPIO_IRQ_BASE, | |
131 | }; | |
132 | ||
133 | static struct i2c_board_info mop500_i2c0_devices[] = { | |
134 | { | |
20406ebf | 135 | I2C_BOARD_INFO("tc3589x", 0x42), |
b8410a15 RV |
136 | .irq = NOMADIK_GPIO_TO_IRQ(217), |
137 | .platform_data = &mop500_tc35892_data, | |
138 | }, | |
139 | }; | |
140 | ||
d48a41c1 | 141 | #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ |
f9faf237 | 142 | static struct nmk_i2c_controller u8500_i2c##id##_data = { \ |
d48a41c1 SK |
143 | /* \ |
144 | * slave data setup time, which is \ | |
145 | * 250 ns,100ns,10ns which is 14,6,2 \ | |
146 | * respectively for a 48 Mhz \ | |
147 | * i2c clock \ | |
148 | */ \ | |
149 | .slsu = _slsu, \ | |
150 | /* Tx FIFO threshold */ \ | |
151 | .tft = _tft, \ | |
152 | /* Rx FIFO threshold */ \ | |
153 | .rft = _rft, \ | |
154 | /* std. mode operation */ \ | |
155 | .clk_freq = clk, \ | |
156 | .sm = _sm, \ | |
157 | } | |
158 | ||
159 | /* | |
160 | * The board uses 4 i2c controllers, initialize all of | |
161 | * them with slave data setup time of 250 ns, | |
162 | * Tx & Rx FIFO threshold values as 1 and standard | |
163 | * mode of operation | |
164 | */ | |
165 | U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
166 | U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
167 | U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
168 | U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
169 | ||
fbf1eadf RV |
170 | static void __init mop500_i2c_init(void) |
171 | { | |
172 | db8500_add_i2c0(&u8500_i2c0_data); | |
173 | db8500_add_i2c1(&u8500_i2c1_data); | |
174 | db8500_add_i2c2(&u8500_i2c2_data); | |
175 | db8500_add_i2c3(&u8500_i2c3_data); | |
176 | } | |
aa44ef4d | 177 | |
d48a41c1 SK |
178 | /* add any platform devices here - TODO */ |
179 | static struct platform_device *platform_devs[] __initdata = { | |
d48a41c1 SK |
180 | }; |
181 | ||
fbf1eadf | 182 | static void __init mop500_spi_init(void) |
aa44ef4d | 183 | { |
fbf1eadf RV |
184 | db8500_add_ssp0(&ssp0_platform_data); |
185 | } | |
aa44ef4d | 186 | |
fbf1eadf RV |
187 | static void __init mop500_uart_init(void) |
188 | { | |
189 | db8500_add_uart0(); | |
190 | db8500_add_uart1(); | |
191 | db8500_add_uart2(); | |
192 | } | |
193 | ||
194 | static void __init u8500_init_machine(void) | |
195 | { | |
ea05a57f RV |
196 | u8500_init_devices(); |
197 | ||
198 | nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins)); | |
199 | ||
d48a41c1 SK |
200 | platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); |
201 | ||
fbf1eadf | 202 | mop500_i2c_init(); |
008f8a2f | 203 | mop500_sdi_init(); |
fbf1eadf RV |
204 | mop500_spi_init(); |
205 | mop500_uart_init(); | |
008f8a2f | 206 | |
e43abe6f SI |
207 | mop500_keypad_init(); |
208 | ||
d5d22815 | 209 | platform_device_register(&ab8500_device); |
b8410a15 RV |
210 | |
211 | i2c_register_board_info(0, mop500_i2c0_devices, | |
212 | ARRAY_SIZE(mop500_i2c0_devices)); | |
aa44ef4d SK |
213 | } |
214 | ||
215 | MACHINE_START(U8500, "ST-Ericsson MOP500 platform") | |
216 | /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */ | |
aa44ef4d SK |
217 | .boot_params = 0x100, |
218 | .map_io = u8500_map_io, | |
178980f9 | 219 | .init_irq = ux500_init_irq, |
aa44ef4d | 220 | /* we re-use nomadik timer here */ |
41ac329f | 221 | .timer = &ux500_timer, |
aa44ef4d SK |
222 | .init_machine = u8500_init_machine, |
223 | MACHINE_END |