mach-ux500: add U8500 UIB platform data
[linux-2.6.git] / arch / arm / mach-ux500 / board-mop500.c
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>
16 #include <linux/i2c.h>
17 #include <linux/gpio.h>
18 #include <linux/amba/bus.h>
19 #include <linux/amba/pl022.h>
20 #include <linux/spi/spi.h>
21 #include <linux/mfd/ab8500.h>
22 #include <linux/mfd/tc3589x.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26
27 #include <plat/pincfg.h>
28 #include <plat/i2c.h>
29
30 #include <mach/hardware.h>
31 #include <mach/setup.h>
32 #include <mach/devices.h>
33 #include <mach/irqs.h>
34
35 #include "devices-db8500.h"
36 #include "pins-db8500.h"
37 #include "board-mop500.h"
38 #include "board-mop500-regulators.h"
39
40 static pin_cfg_t mop500_pins[] = {
41         /* SSP0 */
42         GPIO143_SSP0_CLK,
43         GPIO144_SSP0_FRM,
44         GPIO145_SSP0_RXD,
45         GPIO146_SSP0_TXD,
46
47         /* I2C */
48         GPIO147_I2C0_SCL,
49         GPIO148_I2C0_SDA,
50         GPIO16_I2C1_SCL,
51         GPIO17_I2C1_SDA,
52         GPIO10_I2C2_SDA,
53         GPIO11_I2C2_SCL,
54         GPIO229_I2C3_SDA,
55         GPIO230_I2C3_SCL,
56
57         /* SKE keypad */
58         GPIO153_KP_I7,
59         GPIO154_KP_I6,
60         GPIO155_KP_I5,
61         GPIO156_KP_I4,
62         GPIO157_KP_O7,
63         GPIO158_KP_O6,
64         GPIO159_KP_O5,
65         GPIO160_KP_O4,
66         GPIO161_KP_I3,
67         GPIO162_KP_I2,
68         GPIO163_KP_I1,
69         GPIO164_KP_I0,
70         GPIO165_KP_O3,
71         GPIO166_KP_O2,
72         GPIO167_KP_O1,
73         GPIO168_KP_O0,
74
75         /* GPIO_EXP_INT */
76         GPIO217_GPIO,
77
78         /* STMPE1601 IRQ */
79         GPIO218_GPIO    | PIN_INPUT_PULLUP,
80
81         /* touch screen */
82         GPIO84_GPIO     | PIN_INPUT_PULLUP,
83 };
84
85 static struct ab8500_platform_data ab8500_platdata = {
86         .irq_base       = MOP500_AB8500_IRQ_BASE,
87         .regulator      = ab8500_regulators,
88         .num_regulator  = ARRAY_SIZE(ab8500_regulators),
89 };
90
91 static struct resource ab8500_resources[] = {
92         [0] = {
93                 .start  = IRQ_DB8500_AB8500,
94                 .end    = IRQ_DB8500_AB8500,
95                 .flags  = IORESOURCE_IRQ
96         }
97 };
98
99 struct platform_device ab8500_device = {
100         .name = "ab8500-i2c",
101         .id = 0,
102         .dev = {
103                 .platform_data = &ab8500_platdata,
104         },
105         .num_resources = 1,
106         .resource = ab8500_resources,
107 };
108
109 static struct pl022_ssp_controller ssp0_platform_data = {
110         .bus_id = 0,
111         /* pl022 not yet supports dma */
112         .enable_dma = 0,
113         /* on this platform, gpio 31,142,144,214 &
114          * 224 are connected as chip selects
115          */
116         .num_chipselect = 5,
117 };
118
119 /*
120  * TC35892
121  */
122
123 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
124 {
125         mop500_sdi_tc35892_init();
126 }
127
128 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
129         .gpio_base      = MOP500_EGPIO(0),
130         .setup          = mop500_tc35892_init,
131 };
132
133 static struct tc3589x_platform_data mop500_tc35892_data = {
134         .block          = TC3589x_BLOCK_GPIO,
135         .gpio           = &mop500_tc35892_gpio_data,
136         .irq_base       = MOP500_EGPIO_IRQ_BASE,
137 };
138
139 static struct i2c_board_info mop500_i2c0_devices[] = {
140         {
141                 I2C_BOARD_INFO("tc3589x", 0x42),
142                 .irq            = NOMADIK_GPIO_TO_IRQ(217),
143                 .platform_data  = &mop500_tc35892_data,
144         },
145 };
146
147 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
148 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
149         /*                              \
150          * slave data setup time, which is      \
151          * 250 ns,100ns,10ns which is 14,6,2    \
152          * respectively for a 48 Mhz    \
153          * i2c clock                    \
154          */                             \
155         .slsu           = _slsu,        \
156         /* Tx FIFO threshold */         \
157         .tft            = _tft,         \
158         /* Rx FIFO threshold */         \
159         .rft            = _rft,         \
160         /* std. mode operation */       \
161         .clk_freq       = clk,          \
162         .sm             = _sm,          \
163 }
164
165 /*
166  * The board uses 4 i2c controllers, initialize all of
167  * them with slave data setup time of 250 ns,
168  * Tx & Rx FIFO threshold values as 1 and standard
169  * mode of operation
170  */
171 U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
172 U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
173 U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
174 U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
175
176 static void __init mop500_i2c_init(void)
177 {
178         db8500_add_i2c0(&u8500_i2c0_data);
179         db8500_add_i2c1(&u8500_i2c1_data);
180         db8500_add_i2c2(&u8500_i2c2_data);
181         db8500_add_i2c3(&u8500_i2c3_data);
182 }
183
184 /* add any platform devices here - TODO */
185 static struct platform_device *platform_devs[] __initdata = {
186 };
187
188 static void __init mop500_spi_init(void)
189 {
190         db8500_add_ssp0(&ssp0_platform_data);
191 }
192
193 static void __init mop500_uart_init(void)
194 {
195         db8500_add_uart0();
196         db8500_add_uart1();
197         db8500_add_uart2();
198 }
199
200 static void __init u8500_init_machine(void)
201 {
202         u8500_init_devices();
203
204         nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins));
205
206         platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
207
208         mop500_i2c_init();
209         mop500_sdi_init();
210         mop500_spi_init();
211         mop500_uart_init();
212
213         platform_device_register(&ab8500_device);
214
215         i2c_register_board_info(0, mop500_i2c0_devices,
216                                 ARRAY_SIZE(mop500_i2c0_devices));
217 }
218
219 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
220         /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
221         .boot_params    = 0x100,
222         .map_io         = u8500_map_io,
223         .init_irq       = ux500_init_irq,
224         /* we re-use nomadik timer here */
225         .timer          = &ux500_timer,
226         .init_machine   = u8500_init_machine,
227 MACHINE_END