mach-ux500: platform data for LP5521 leds driver
[deliverable/linux.git] / arch / arm / mach-ux500 / board-mop500.c
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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>
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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>
dd7b2a05 23#include <linux/leds-lp5521.h>
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24#include <linux/input.h>
25#include <linux/gpio_keys.h>
aa44ef4d 26
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27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29
ea05a57f 30#include <plat/pincfg.h>
d48a41c1 31#include <plat/i2c.h>
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32
33#include <mach/hardware.h>
34#include <mach/setup.h>
9e4e7fe1 35#include <mach/devices.h>
29aeb3cf 36#include <mach/irqs.h>
aa44ef4d 37
fbf1eadf 38#include "devices-db8500.h"
ea05a57f 39#include "pins-db8500.h"
008f8a2f 40#include "board-mop500.h"
a1e516e3 41#include "board-mop500-regulators.h"
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42
43static pin_cfg_t mop500_pins[] = {
44 /* SSP0 */
45 GPIO143_SSP0_CLK,
46 GPIO144_SSP0_FRM,
47 GPIO145_SSP0_RXD,
48 GPIO146_SSP0_TXD,
49
50 /* I2C */
51 GPIO147_I2C0_SCL,
52 GPIO148_I2C0_SDA,
53 GPIO16_I2C1_SCL,
54 GPIO17_I2C1_SDA,
55 GPIO10_I2C2_SDA,
56 GPIO11_I2C2_SCL,
57 GPIO229_I2C3_SDA,
58 GPIO230_I2C3_SCL,
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59
60 /* SKE keypad */
61 GPIO153_KP_I7,
62 GPIO154_KP_I6,
63 GPIO155_KP_I5,
64 GPIO156_KP_I4,
65 GPIO157_KP_O7,
66 GPIO158_KP_O6,
67 GPIO159_KP_O5,
68 GPIO160_KP_O4,
69 GPIO161_KP_I3,
70 GPIO162_KP_I2,
71 GPIO163_KP_I1,
72 GPIO164_KP_I0,
73 GPIO165_KP_O3,
74 GPIO166_KP_O2,
75 GPIO167_KP_O1,
76 GPIO168_KP_O0,
b8410a15 77
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78 /* GPIO_EXP_INT */
79 GPIO217_GPIO,
80
81 /* STMPE1601 IRQ */
82 GPIO218_GPIO | PIN_INPUT_PULLUP,
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83
84 /* touch screen */
85 GPIO84_GPIO | PIN_INPUT_PULLUP,
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86};
87
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88static struct ab8500_platform_data ab8500_platdata = {
89 .irq_base = MOP500_AB8500_IRQ_BASE,
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90 .regulator = ab8500_regulators,
91 .num_regulator = ARRAY_SIZE(ab8500_regulators),
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92};
93
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94static struct resource ab8500_resources[] = {
95 [0] = {
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96 .start = IRQ_DB8500_AB8500,
97 .end = IRQ_DB8500_AB8500,
98 .flags = IORESOURCE_IRQ
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99 }
100};
101
102struct platform_device ab8500_device = {
103 .name = "ab8500-i2c",
104 .id = 0,
105 .dev = {
106 .platform_data = &ab8500_platdata,
107 },
108 .num_resources = 1,
109 .resource = ab8500_resources,
110};
111
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112static struct pl022_ssp_controller ssp0_platform_data = {
113 .bus_id = 0,
114 /* pl022 not yet supports dma */
115 .enable_dma = 0,
116 /* on this platform, gpio 31,142,144,214 &
117 * 224 are connected as chip selects
118 */
119 .num_chipselect = 5,
120};
121
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122/*
123 * TC35892
124 */
125
20406ebf 126static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
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127{
128 mop500_sdi_tc35892_init();
129}
130
20406ebf 131static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
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132 .gpio_base = MOP500_EGPIO(0),
133 .setup = mop500_tc35892_init,
134};
135
20406ebf 136static struct tc3589x_platform_data mop500_tc35892_data = {
611b7590 137 .block = TC3589x_BLOCK_GPIO,
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138 .gpio = &mop500_tc35892_gpio_data,
139 .irq_base = MOP500_EGPIO_IRQ_BASE,
140};
141
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142static struct lp5521_led_config lp5521_pri_led[] = {
143 [0] = {
144 .chan_nr = 0,
145 .led_current = 0x2f,
146 .max_current = 0x5f,
147 },
148 [1] = {
149 .chan_nr = 1,
150 .led_current = 0x2f,
151 .max_current = 0x5f,
152 },
153 [2] = {
154 .chan_nr = 2,
155 .led_current = 0x2f,
156 .max_current = 0x5f,
157 },
158};
159
160static struct lp5521_platform_data __initdata lp5521_pri_data = {
161 .label = "lp5521_pri",
162 .led_config = &lp5521_pri_led[0],
163 .num_channels = 3,
164 .clock_mode = LP5521_CLOCK_EXT,
165};
166
167static struct lp5521_led_config lp5521_sec_led[] = {
168 [0] = {
169 .chan_nr = 0,
170 .led_current = 0x2f,
171 .max_current = 0x5f,
172 },
173 [1] = {
174 .chan_nr = 1,
175 .led_current = 0x2f,
176 .max_current = 0x5f,
177 },
178 [2] = {
179 .chan_nr = 2,
180 .led_current = 0x2f,
181 .max_current = 0x5f,
182 },
183};
184
185static struct lp5521_platform_data __initdata lp5521_sec_data = {
186 .label = "lp5521_sec",
187 .led_config = &lp5521_sec_led[0],
188 .num_channels = 3,
189 .clock_mode = LP5521_CLOCK_EXT,
190};
191
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192static struct i2c_board_info mop500_i2c0_devices[] = {
193 {
20406ebf 194 I2C_BOARD_INFO("tc3589x", 0x42),
dd7b2a05 195 .irq = NOMADIK_GPIO_TO_IRQ(217),
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196 .platform_data = &mop500_tc35892_data,
197 },
198};
199
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200static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
201 {
202 /* lp5521 LED driver, 1st device */
203 I2C_BOARD_INFO("lp5521", 0x33),
204 .platform_data = &lp5521_pri_data,
205 },
206 {
207 /* lp5521 LED driver, 2st device */
208 I2C_BOARD_INFO("lp5521", 0x34),
209 .platform_data = &lp5521_sec_data,
210 },
211};
212
d48a41c1 213#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
f9faf237 214static struct nmk_i2c_controller u8500_i2c##id##_data = { \
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215 /* \
216 * slave data setup time, which is \
217 * 250 ns,100ns,10ns which is 14,6,2 \
218 * respectively for a 48 Mhz \
219 * i2c clock \
220 */ \
221 .slsu = _slsu, \
222 /* Tx FIFO threshold */ \
223 .tft = _tft, \
224 /* Rx FIFO threshold */ \
225 .rft = _rft, \
226 /* std. mode operation */ \
227 .clk_freq = clk, \
228 .sm = _sm, \
229}
230
231/*
232 * The board uses 4 i2c controllers, initialize all of
233 * them with slave data setup time of 250 ns,
234 * Tx & Rx FIFO threshold values as 1 and standard
235 * mode of operation
236 */
237U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
238U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
239U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
240U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
241
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242static void __init mop500_i2c_init(void)
243{
244 db8500_add_i2c0(&u8500_i2c0_data);
245 db8500_add_i2c1(&u8500_i2c1_data);
246 db8500_add_i2c2(&u8500_i2c2_data);
247 db8500_add_i2c3(&u8500_i2c3_data);
248}
aa44ef4d 249
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250static struct gpio_keys_button mop500_gpio_keys[] = {
251 {
252 .desc = "SFH7741 Proximity Sensor",
253 .type = EV_SW,
254 .code = SW_FRONT_PROXIMITY,
255 .gpio = GPIO_PROX_SENSOR,
256 .active_low = 0,
257 .can_disable = 1,
258 }
259};
260
261static struct regulator *prox_regulator;
262static int mop500_prox_activate(struct device *dev);
263static void mop500_prox_deactivate(struct device *dev);
264
265static struct gpio_keys_platform_data mop500_gpio_keys_data = {
266 .buttons = mop500_gpio_keys,
267 .nbuttons = ARRAY_SIZE(mop500_gpio_keys),
268 .enable = mop500_prox_activate,
269 .disable = mop500_prox_deactivate,
270};
271
272static struct platform_device mop500_gpio_keys_device = {
273 .name = "gpio-keys",
274 .id = 0,
275 .dev = {
276 .platform_data = &mop500_gpio_keys_data,
277 },
278};
279
280static int mop500_prox_activate(struct device *dev)
281{
282 prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
283 "vcc");
284 if (IS_ERR(prox_regulator)) {
285 dev_err(&mop500_gpio_keys_device.dev,
286 "no regulator\n");
287 return PTR_ERR(prox_regulator);
288 }
289 regulator_enable(prox_regulator);
290 return 0;
291}
292
293static void mop500_prox_deactivate(struct device *dev)
294{
295 regulator_disable(prox_regulator);
296 regulator_put(prox_regulator);
297}
298
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299/* add any platform devices here - TODO */
300static struct platform_device *platform_devs[] __initdata = {
a71b819b 301 &mop500_gpio_keys_device,
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302};
303
fbf1eadf 304static void __init mop500_spi_init(void)
aa44ef4d 305{
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306 db8500_add_ssp0(&ssp0_platform_data);
307}
aa44ef4d 308
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309static void __init mop500_uart_init(void)
310{
311 db8500_add_uart0();
312 db8500_add_uart1();
313 db8500_add_uart2();
314}
315
316static void __init u8500_init_machine(void)
317{
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318 u8500_init_devices();
319
320 nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins));
321
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322 platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
323
fbf1eadf 324 mop500_i2c_init();
008f8a2f 325 mop500_sdi_init();
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326 mop500_spi_init();
327 mop500_uart_init();
008f8a2f 328
d5d22815 329 platform_device_register(&ab8500_device);
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330
331 i2c_register_board_info(0, mop500_i2c0_devices,
332 ARRAY_SIZE(mop500_i2c0_devices));
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333 i2c_register_board_info(2, mop500_i2c2_devices,
334 ARRAY_SIZE(mop500_i2c2_devices));
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335}
336
337MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
338 /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
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339 .boot_params = 0x100,
340 .map_io = u8500_map_io,
178980f9 341 .init_irq = ux500_init_irq,
aa44ef4d 342 /* we re-use nomadik timer here */
41ac329f 343 .timer = &ux500_timer,
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344 .init_machine = u8500_init_machine,
345MACHINE_END
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