1 /*
2 * Copyright (C) 2009 Sascha Hauer, Pengutronix
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/types.h>
16 #include <linux/init.h>
17
18 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/mtd/plat-ram.h>
21 #include <linux/memory.h>
22 #include <linux/gpio.h>
23 #include <linux/smc911x.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/i2c.h>
27 #include <linux/platform_data/at24.h>
28 #include <linux/usb/otg.h>
29 #include <linux/usb/ulpi.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34 #include <asm/mach/map.h>
35
36 #include "common.h"
37 #include "devices-imx35.h"
38 #include "ehci.h"
39 #include "hardware.h"
40 #include "iomux-mx35.h"
41 #include "ulpi.h"
42
43 static const struct fb_videomode fb_modedb[] = {
44 {
45 /* 240x320 @ 60 Hz */
46 .name = "Sharp-LQ035Q7",
47 .refresh = 60,
48 .xres = 240,
49 .yres = 320,
50 .pixclock = 185925,
51 .left_margin = 9,
52 .right_margin = 16,
53 .upper_margin = 7,
54 .lower_margin = 9,
55 .hsync_len = 1,
56 .vsync_len = 1,
57 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
58 .vmode = FB_VMODE_NONINTERLACED,
59 .flag = 0,
60 }, {
61 /* 240x320 @ 60 Hz */
62 .name = "TX090",
63 .refresh = 60,
64 .xres = 240,
65 .yres = 320,
66 .pixclock = 38255,
67 .left_margin = 144,
68 .right_margin = 0,
69 .upper_margin = 7,
70 .lower_margin = 40,
71 .hsync_len = 96,
72 .vsync_len = 1,
73 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
74 .vmode = FB_VMODE_NONINTERLACED,
75 .flag = 0,
76 },
77 };
78
79 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
80 .name = "Sharp-LQ035Q7",
81 .mode = fb_modedb,
82 .num_modes = ARRAY_SIZE(fb_modedb),
83 };
84
85 static struct physmap_flash_data pcm043_flash_data = {
86 .width = 2,
87 };
88
89 static struct resource pcm043_flash_resource = {
90 .start = 0xa0000000,
91 .end = 0xa1ffffff,
92 .flags = IORESOURCE_MEM,
93 };
94
95 static struct platform_device pcm043_flash = {
96 .name = "physmap-flash",
97 .id = 0,
98 .dev = {
99 .platform_data = &pcm043_flash_data,
100 },
101 .resource = &pcm043_flash_resource,
102 .num_resources = 1,
103 };
104
105 static const struct imxuart_platform_data uart_pdata __initconst = {
106 .flags = IMXUART_HAVE_RTSCTS,
107 };
108
109 static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
110 .bitrate = 50000,
111 };
112
113 static struct at24_platform_data board_eeprom = {
114 .byte_len = 4096,
115 .page_size = 32,
116 .flags = AT24_FLAG_ADDR16,
117 };
118
119 static struct i2c_board_info pcm043_i2c_devices[] = {
120 {
121 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
122 .platform_data = &board_eeprom,
123 }, {
124 I2C_BOARD_INFO("pcf8563", 0x51),
125 },
126 };
127
128 static struct platform_device *devices[] __initdata = {
129 &pcm043_flash,
130 };
131
132 static const iomux_v3_cfg_t pcm043_pads[] __initconst = {
133 /* UART1 */
134 MX35_PAD_CTS1__UART1_CTS,
135 MX35_PAD_RTS1__UART1_RTS,
136 MX35_PAD_TXD1__UART1_TXD_MUX,
137 MX35_PAD_RXD1__UART1_RXD_MUX,
138 /* UART2 */
139 MX35_PAD_CTS2__UART2_CTS,
140 MX35_PAD_RTS2__UART2_RTS,
141 MX35_PAD_TXD2__UART2_TXD_MUX,
142 MX35_PAD_RXD2__UART2_RXD_MUX,
143 /* FEC */
144 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
145 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
146 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
147 MX35_PAD_FEC_COL__FEC_COL,
148 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
149 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
150 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
151 MX35_PAD_FEC_MDC__FEC_MDC,
152 MX35_PAD_FEC_MDIO__FEC_MDIO,
153 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
154 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
155 MX35_PAD_FEC_CRS__FEC_CRS,
156 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
157 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
158 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
159 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
160 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
161 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
162 /* I2C1 */
163 MX35_PAD_I2C1_CLK__I2C1_SCL,
164 MX35_PAD_I2C1_DAT__I2C1_SDA,
165 /* Display */
166 MX35_PAD_LD0__IPU_DISPB_DAT_0,
167 MX35_PAD_LD1__IPU_DISPB_DAT_1,
168 MX35_PAD_LD2__IPU_DISPB_DAT_2,
169 MX35_PAD_LD3__IPU_DISPB_DAT_3,
170 MX35_PAD_LD4__IPU_DISPB_DAT_4,
171 MX35_PAD_LD5__IPU_DISPB_DAT_5,
172 MX35_PAD_LD6__IPU_DISPB_DAT_6,
173 MX35_PAD_LD7__IPU_DISPB_DAT_7,
174 MX35_PAD_LD8__IPU_DISPB_DAT_8,
175 MX35_PAD_LD9__IPU_DISPB_DAT_9,
176 MX35_PAD_LD10__IPU_DISPB_DAT_10,
177 MX35_PAD_LD11__IPU_DISPB_DAT_11,
178 MX35_PAD_LD12__IPU_DISPB_DAT_12,
179 MX35_PAD_LD13__IPU_DISPB_DAT_13,
180 MX35_PAD_LD14__IPU_DISPB_DAT_14,
181 MX35_PAD_LD15__IPU_DISPB_DAT_15,
182 MX35_PAD_LD16__IPU_DISPB_DAT_16,
183 MX35_PAD_LD17__IPU_DISPB_DAT_17,
184 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
185 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
186 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
187 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
188 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
189 MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
190 MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
191 /* gpio */
192 MX35_PAD_ATA_CS0__GPIO2_6,
193 /* USB host */
194 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
195 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
196 /* SSI */
197 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
198 MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
199 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
200 MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
201 /* CAN2 */
202 MX35_PAD_TX5_RX0__CAN2_TXCAN,
203 MX35_PAD_TX4_RX1__CAN2_RXCAN,
204 /* esdhc */
205 MX35_PAD_SD1_CMD__ESDHC1_CMD,
206 MX35_PAD_SD1_CLK__ESDHC1_CLK,
207 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
208 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
209 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
210 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
211 MX35_PAD_ATA_DATA10__GPIO2_23, /* WriteProtect */
212 MX35_PAD_ATA_DATA11__GPIO2_24, /* CardDetect */
213 };
214
215 #define AC97_GPIO_TXFS IMX_GPIO_NR(2, 31)
216 #define AC97_GPIO_TXD IMX_GPIO_NR(2, 28)
217 #define AC97_GPIO_RESET IMX_GPIO_NR(2, 0)
218 #define SD1_GPIO_WP IMX_GPIO_NR(2, 23)
219 #define SD1_GPIO_CD IMX_GPIO_NR(2, 24)
220
pcm043_ac97_warm_reset(struct snd_ac97 * ac97)221 static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
222 {
223 iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
224 iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
225 int ret;
226
227 ret = gpio_request(AC97_GPIO_TXFS, "SSI");
228 if (ret) {
229 printk("failed to get GPIO_TXFS: %d\n", ret);
230 return;
231 }
232
233 mxc_iomux_v3_setup_pad(txfs_gpio);
234
235 /* warm reset */
236 gpio_direction_output(AC97_GPIO_TXFS, 1);
237 udelay(2);
238 gpio_set_value(AC97_GPIO_TXFS, 0);
239
240 gpio_free(AC97_GPIO_TXFS);
241 mxc_iomux_v3_setup_pad(txfs);
242 }
243
pcm043_ac97_cold_reset(struct snd_ac97 * ac97)244 static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
245 {
246 iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
247 iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
248 iomux_v3_cfg_t txd_gpio = MX35_PAD_STXD4__GPIO2_28;
249 iomux_v3_cfg_t txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
250 iomux_v3_cfg_t reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
251 int ret;
252
253 ret = gpio_request(AC97_GPIO_TXFS, "SSI");
254 if (ret)
255 goto err1;
256
257 ret = gpio_request(AC97_GPIO_TXD, "SSI");
258 if (ret)
259 goto err2;
260
261 ret = gpio_request(AC97_GPIO_RESET, "SSI");
262 if (ret)
263 goto err3;
264
265 mxc_iomux_v3_setup_pad(txfs_gpio);
266 mxc_iomux_v3_setup_pad(txd_gpio);
267 mxc_iomux_v3_setup_pad(reset_gpio);
268
269 gpio_direction_output(AC97_GPIO_TXFS, 0);
270 gpio_direction_output(AC97_GPIO_TXD, 0);
271
272 /* cold reset */
273 gpio_direction_output(AC97_GPIO_RESET, 0);
274 udelay(10);
275 gpio_direction_output(AC97_GPIO_RESET, 1);
276
277 mxc_iomux_v3_setup_pad(txd);
278 mxc_iomux_v3_setup_pad(txfs);
279
280 gpio_free(AC97_GPIO_RESET);
281 err3:
282 gpio_free(AC97_GPIO_TXD);
283 err2:
284 gpio_free(AC97_GPIO_TXFS);
285 err1:
286 if (ret)
287 printk("%s failed with %d\n", __func__, ret);
288 mdelay(1);
289 }
290
291 static const struct imx_ssi_platform_data pcm043_ssi_pdata __initconst = {
292 .ac97_reset = pcm043_ac97_cold_reset,
293 .ac97_warm_reset = pcm043_ac97_warm_reset,
294 .flags = IMX_SSI_USE_AC97,
295 };
296
297 static const struct mxc_nand_platform_data
298 pcm037_nand_board_info __initconst = {
299 .width = 1,
300 .hw_ecc = 1,
301 };
302
pcm043_otg_init(struct platform_device * pdev)303 static int pcm043_otg_init(struct platform_device *pdev)
304 {
305 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
306 }
307
308 static struct mxc_usbh_platform_data otg_pdata __initdata = {
309 .init = pcm043_otg_init,
310 .portsc = MXC_EHCI_MODE_UTMI,
311 };
312
pcm043_usbh1_init(struct platform_device * pdev)313 static int pcm043_usbh1_init(struct platform_device *pdev)
314 {
315 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
316 MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
317 }
318
319 static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
320 .init = pcm043_usbh1_init,
321 .portsc = MXC_EHCI_MODE_SERIAL,
322 };
323
324 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
325 .operating_mode = FSL_USB2_DR_DEVICE,
326 .phy_mode = FSL_USB2_PHY_UTMI,
327 };
328
329 static bool otg_mode_host __initdata;
330
pcm043_otg_mode(char * options)331 static int __init pcm043_otg_mode(char *options)
332 {
333 if (!strcmp(options, "host"))
334 otg_mode_host = true;
335 else if (!strcmp(options, "device"))
336 otg_mode_host = false;
337 else
338 pr_info("otg_mode neither \"host\" nor \"device\". "
339 "Defaulting to device\n");
340 return 1;
341 }
342 __setup("otg_mode=", pcm043_otg_mode);
343
344 static struct esdhc_platform_data sd1_pdata = {
345 .wp_gpio = SD1_GPIO_WP,
346 .cd_gpio = SD1_GPIO_CD,
347 .wp_type = ESDHC_WP_GPIO,
348 .cd_type = ESDHC_CD_GPIO,
349 };
350
351 /*
352 * Board specific initialization.
353 */
pcm043_init(void)354 static void __init pcm043_init(void)
355 {
356 imx35_soc_init();
357
358 mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
359
360 imx35_add_fec(NULL);
361 platform_add_devices(devices, ARRAY_SIZE(devices));
362 imx35_add_imx2_wdt();
363
364 imx35_add_imx_uart0(&uart_pdata);
365 imx35_add_mxc_nand(&pcm037_nand_board_info);
366
367 imx35_add_imx_uart1(&uart_pdata);
368
369 i2c_register_board_info(0, pcm043_i2c_devices,
370 ARRAY_SIZE(pcm043_i2c_devices));
371
372 imx35_add_imx_i2c0(&pcm043_i2c0_data);
373
374 imx35_add_ipu_core();
375 imx35_add_mx3_sdc_fb(&mx3fb_pdata);
376
377 if (otg_mode_host) {
378 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
379 ULPI_OTG_DRVVBUS_EXT);
380 if (otg_pdata.otg)
381 imx35_add_mxc_ehci_otg(&otg_pdata);
382 }
383 imx35_add_mxc_ehci_hs(&usbh1_pdata);
384
385 if (!otg_mode_host)
386 imx35_add_fsl_usb2_udc(&otg_device_pdata);
387
388 imx35_add_flexcan1();
389 }
390
pcm043_late_init(void)391 static void __init pcm043_late_init(void)
392 {
393 imx35_add_imx_ssi(0, &pcm043_ssi_pdata);
394
395 imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
396 }
397
pcm043_timer_init(void)398 static void __init pcm043_timer_init(void)
399 {
400 mx35_clocks_init();
401 }
402
403 MACHINE_START(PCM043, "Phytec Phycore pcm043")
404 /* Maintainer: Pengutronix */
405 .atag_offset = 0x100,
406 .map_io = mx35_map_io,
407 .init_early = imx35_init_early,
408 .init_irq = mx35_init_irq,
409 .init_time = pcm043_timer_init,
410 .init_machine = pcm043_init,
411 .init_late = pcm043_late_init,
412 .restart = mxc_restart,
413 MACHINE_END
414