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Add linux-next specific files for 20110831
[linux-2.6/next.git] / arch / arm / mach-mxs / mach-mx28evk.c
blob220b35ae4151eddbb8c81b351eb7cb872ac0333a
1 /*
2 * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15 #include <linux/delay.h>
16 #include <linux/platform_device.h>
17 #include <linux/gpio.h>
18 #include <linux/leds.h>
19 #include <linux/clk.h>
20 #include <linux/i2c.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/regulator/fixed.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/time.h>
27
28 #include <mach/common.h>
29 #include <mach/iomux-mx28.h>
30
31 #include "devices-mx28.h"
32
33 #define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
34 #define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
35 #define MX28EVK_GPIO_LED MXS_GPIO_NR(3, 5)
36 #define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
37 #define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
38 #define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
39
40 #define MX28EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(2, 12)
41 #define MX28EVK_MMC1_WRITE_PROTECT MXS_GPIO_NR(0, 28)
42 #define MX28EVK_MMC0_SLOT_POWER MXS_GPIO_NR(3, 28)
43 #define MX28EVK_MMC1_SLOT_POWER MXS_GPIO_NR(3, 29)
44
45 static const iomux_cfg_t mx28evk_pads[] __initconst = {
46 /* duart */
47 MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
48 MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
49
50 /* auart0 */
51 MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
52 MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
53 MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL,
54 MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL,
55 /* auart3 */
56 MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL,
57 MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL,
58 MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL,
59 MX28_PAD_AUART3_RTS__AUART3_RTS | MXS_PAD_CTRL,
60
61 #define MXS_PAD_FEC (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP)
62 /* fec0 */
63 MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC,
64 MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC,
65 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC,
66 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC,
67 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC,
68 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC,
69 MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC,
70 MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC,
71 MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC,
72 /* fec1 */
73 MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC,
74 MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC,
75 MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC,
76 MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC,
77 MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC,
78 MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC,
79 /* phy power line */
80 MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL,
81 /* phy reset line */
82 MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL,
83
84 /* flexcan0 */
85 MX28_PAD_GPMI_RDY2__CAN0_TX,
86 MX28_PAD_GPMI_RDY3__CAN0_RX,
87 /* flexcan1 */
88 MX28_PAD_GPMI_CE2N__CAN1_TX,
89 MX28_PAD_GPMI_CE3N__CAN1_RX,
90 /* transceiver power control */
91 MX28_PAD_SSP1_CMD__GPIO_2_13,
92
93 /* mxsfb (lcdif) */
94 MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
95 MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
96 MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
97 MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
98 MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
99 MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
100 MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
101 MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
102 MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
103 MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
104 MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
105 MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
106 MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
107 MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
108 MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
109 MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
110 MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
111 MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
112 MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
113 MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
114 MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
115 MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
116 MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
117 MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
118 MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
119 MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
120 MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
121 MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
122 /* LCD panel enable */
123 MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
124 /* backlight control */
125 MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
126 /* mmc0 */
127 MX28_PAD_SSP0_DATA0__SSP0_D0 |
128 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
129 MX28_PAD_SSP0_DATA1__SSP0_D1 |
130 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
131 MX28_PAD_SSP0_DATA2__SSP0_D2 |
132 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
133 MX28_PAD_SSP0_DATA3__SSP0_D3 |
134 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
135 MX28_PAD_SSP0_DATA4__SSP0_D4 |
136 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
137 MX28_PAD_SSP0_DATA5__SSP0_D5 |
138 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
139 MX28_PAD_SSP0_DATA6__SSP0_D6 |
140 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
141 MX28_PAD_SSP0_DATA7__SSP0_D7 |
142 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
143 MX28_PAD_SSP0_CMD__SSP0_CMD |
144 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
145 MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
146 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
147 MX28_PAD_SSP0_SCK__SSP0_SCK |
148 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
149 /* write protect */
150 MX28_PAD_SSP1_SCK__GPIO_2_12 |
151 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
152 /* slot power enable */
153 MX28_PAD_PWM3__GPIO_3_28 |
154 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
155
156 /* mmc1 */
157 MX28_PAD_GPMI_D00__SSP1_D0 |
158 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
159 MX28_PAD_GPMI_D01__SSP1_D1 |
160 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
161 MX28_PAD_GPMI_D02__SSP1_D2 |
162 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
163 MX28_PAD_GPMI_D03__SSP1_D3 |
164 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
165 MX28_PAD_GPMI_D04__SSP1_D4 |
166 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
167 MX28_PAD_GPMI_D05__SSP1_D5 |
168 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
169 MX28_PAD_GPMI_D06__SSP1_D6 |
170 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
171 MX28_PAD_GPMI_D07__SSP1_D7 |
172 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
173 MX28_PAD_GPMI_RDY1__SSP1_CMD |
174 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
175 MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT |
176 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
177 MX28_PAD_GPMI_WRN__SSP1_SCK |
178 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
179 /* write protect */
180 MX28_PAD_GPMI_RESETN__GPIO_0_28 |
181 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
182 /* slot power enable */
183 MX28_PAD_PWM4__GPIO_3_29 |
184 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
185
186 /* led */
187 MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
188
189 /* I2C */
190 MX28_PAD_I2C0_SCL__I2C0_SCL |
191 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
192 MX28_PAD_I2C0_SDA__I2C0_SDA |
193 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
194
195 /* saif0 & saif1 */
196 MX28_PAD_SAIF0_MCLK__SAIF0_MCLK |
197 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
198 MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK |
199 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
200 MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK |
201 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
202 MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 |
203 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
204 MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 |
205 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
206 };
207
208 /* led */
209 static const struct gpio_led mx28evk_leds[] __initconst = {
210 {
211 .name = "GPIO-LED",
212 .default_trigger = "heartbeat",
213 .gpio = MX28EVK_GPIO_LED,
214 },
215 };
216
217 static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
218 .leds = mx28evk_leds,
219 .num_leds = ARRAY_SIZE(mx28evk_leds),
220 };
221
222 /* fec */
223 static void __init mx28evk_fec_reset(void)
224 {
225 int ret;
226 struct clk *clk;
227
228 /* Enable fec phy clock */
229 clk = clk_get_sys("pll2", NULL);
230 if (!IS_ERR(clk))
231 clk_enable(clk);
232
233 /* Power up fec phy */
234 ret = gpio_request(MX28EVK_FEC_PHY_POWER, "fec-phy-power");
235 if (ret) {
236 pr_err("Failed to request gpio fec-phy-%s: %d\n", "power", ret);
237 return;
238 }
239
240 ret = gpio_direction_output(MX28EVK_FEC_PHY_POWER, 0);
241 if (ret) {
242 pr_err("Failed to drive gpio fec-phy-%s: %d\n", "power", ret);
243 return;
244 }
245
246 /* Reset fec phy */
247 ret = gpio_request(MX28EVK_FEC_PHY_RESET, "fec-phy-reset");
248 if (ret) {
249 pr_err("Failed to request gpio fec-phy-%s: %d\n", "reset", ret);
250 return;
251 }
252
253 gpio_direction_output(MX28EVK_FEC_PHY_RESET, 0);
254 if (ret) {
255 pr_err("Failed to drive gpio fec-phy-%s: %d\n", "reset", ret);
256 return;
257 }
258
259 mdelay(1);
260 gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
261 }
262
263 static struct fec_platform_data mx28_fec_pdata[] __initdata = {
264 {
265 /* fec0 */
266 .phy = PHY_INTERFACE_MODE_RMII,
267 }, {
268 /* fec1 */
269 .phy = PHY_INTERFACE_MODE_RMII,
270 },
271 };
272
273 static int __init mx28evk_fec_get_mac(void)
274 {
275 int i;
276 u32 val;
277 const u32 *ocotp = mxs_get_ocotp();
278
279 if (!ocotp)
280 goto error;
281
282 /*
283 * OCOTP only stores the last 4 octets for each mac address,
284 * so hard-code Freescale OUI (00:04:9f) here.
285 */
286 for (i = 0; i < 2; i++) {
287 val = ocotp[i * 4];
288 mx28_fec_pdata[i].mac[0] = 0x00;
289 mx28_fec_pdata[i].mac[1] = 0x04;
290 mx28_fec_pdata[i].mac[2] = 0x9f;
291 mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
292 mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
293 mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
294 }
295
296 return 0;
297
298 error:
299 pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
300 return -ETIMEDOUT;
301 }
302
303 /*
304 * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
305 */
306 static int flexcan0_en, flexcan1_en;
307
308 static void mx28evk_flexcan_switch(void)
309 {
310 if (flexcan0_en || flexcan1_en)
311 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
312 else
313 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
314 }
315
316 static void mx28evk_flexcan0_switch(int enable)
317 {
318 flexcan0_en = enable;
319 mx28evk_flexcan_switch();
320 }
321
322 static void mx28evk_flexcan1_switch(int enable)
323 {
324 flexcan1_en = enable;
325 mx28evk_flexcan_switch();
326 }
327
328 static const struct flexcan_platform_data
329 mx28evk_flexcan_pdata[] __initconst = {
330 {
331 .transceiver_switch = mx28evk_flexcan0_switch,
332 }, {
333 .transceiver_switch = mx28evk_flexcan1_switch,
334 }
335 };
336
337 /* mxsfb (lcdif) */
338 static struct fb_videomode mx28evk_video_modes[] = {
339 {
340 .name = "Seiko-43WVF1G",
341 .refresh = 60,
342 .xres = 800,
343 .yres = 480,
344 .pixclock = 29851, /* picosecond (33.5 MHz) */
345 .left_margin = 89,
346 .right_margin = 164,
347 .upper_margin = 23,
348 .lower_margin = 10,
349 .hsync_len = 10,
350 .vsync_len = 10,
351 .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
352 FB_SYNC_DOTCLK_FAILING_ACT,
353 },
354 };
355
356 static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
357 .mode_list = mx28evk_video_modes,
358 .mode_count = ARRAY_SIZE(mx28evk_video_modes),
359 .default_bpp = 32,
360 .ld_intf_width = STMLCDIF_24BIT,
361 };
362
363 static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
364 {
365 /* mmc0 */
366 .wp_gpio = MX28EVK_MMC0_WRITE_PROTECT,
367 .flags = SLOTF_8_BIT_CAPABLE,
368 }, {
369 /* mmc1 */
370 .wp_gpio = MX28EVK_MMC1_WRITE_PROTECT,
371 .flags = SLOTF_8_BIT_CAPABLE,
372 },
373 };
374
375 static struct i2c_board_info mxs_i2c0_board_info[] __initdata = {
376 {
377 I2C_BOARD_INFO("sgtl5000", 0x0a),
378 },
379 };
380
381 #if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
382 static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = {
383 REGULATOR_SUPPLY("VDDA", "0-000a"),
384 REGULATOR_SUPPLY("VDDIO", "0-000a"),
385 };
386
387 static struct regulator_init_data mx28evk_vdd_reg_init_data = {
388 .constraints = {
389 .name = "3V3",
390 .always_on = 1,
391 },
392 .consumer_supplies = mx28evk_audio_consumer_supplies,
393 .num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies),
394 };
395
396 static struct fixed_voltage_config mx28evk_vdd_pdata = {
397 .supply_name = "board-3V3",
398 .microvolts = 3300000,
399 .gpio = -EINVAL,
400 .enabled_at_boot = 1,
401 .init_data = &mx28evk_vdd_reg_init_data,
402 };
403 static struct platform_device mx28evk_voltage_regulator = {
404 .name = "reg-fixed-voltage",
405 .id = -1,
406 .num_resources = 0,
407 .dev = {
408 .platform_data = &mx28evk_vdd_pdata,
409 },
410 };
411 static void __init mx28evk_add_regulators(void)
412 {
413 platform_device_register(&mx28evk_voltage_regulator);
414 }
415 #else
416 static void __init mx28evk_add_regulators(void) {}
417 #endif
418
419 static void __init mx28evk_init(void)
420 {
421 int ret;
422
423 mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
424
425 mx28_add_duart();
426 mx28_add_auart0();
427 mx28_add_auart3();
428
429 if (mx28evk_fec_get_mac())
430 pr_warn("%s: failed on fec mac setup\n", __func__);
431
432 mx28evk_fec_reset();
433 mx28_add_fec(0, &mx28_fec_pdata[0]);
434 mx28_add_fec(1, &mx28_fec_pdata[1]);
435
436 ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
437 "flexcan-switch");
438 if (ret) {
439 pr_err("failed to request gpio flexcan-switch: %d\n", ret);
440 } else {
441 mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
442 mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
443 }
444
445 ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
446 if (ret)
447 pr_warn("failed to request gpio lcd-enable: %d\n", ret);
448 else
449 gpio_set_value(MX28EVK_LCD_ENABLE, 1);
450
451 ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
452 if (ret)
453 pr_warn("failed to request gpio bl-enable: %d\n", ret);
454 else
455 gpio_set_value(MX28EVK_BL_ENABLE, 1);
456
457 mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
458
459 mx28_add_saif(0);
460 mx28_add_saif(1);
461
462 mx28_add_mxs_i2c(0);
463 i2c_register_board_info(0, mxs_i2c0_board_info,
464 ARRAY_SIZE(mxs_i2c0_board_info));
465
466 mx28evk_add_regulators();
467
468 mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0,
469 NULL, 0);
470
471 /* power on mmc slot by writing 0 to the gpio */
472 ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
473 "mmc0-slot-power");
474 if (ret)
475 pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
476 mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
477
478 ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW,
479 "mmc1-slot-power");
480 if (ret)
481 pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
482 mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
483 mx28_add_rtc_stmp3xxx();
484
485 gpio_led_register_device(0, &mx28evk_led_data);
486 }
487
488 static void __init mx28evk_timer_init(void)
489 {
490 mx28_clocks_init();
491 }
492
493 static struct sys_timer mx28evk_timer = {
494 .init = mx28evk_timer_init,
495 };
496
497 MACHINE_START(MX28EVK, "Freescale MX28 EVK")
498 /* Maintainer: Freescale Semiconductor, Inc. */
499 .map_io = mx28_map_io,
500 .init_irq = mx28_init_irq,
501 .init_machine = mx28evk_init,
502 .timer = &mx28evk_timer,
503 MACHINE_END
linux-next