USB: serial: option: reimplement interface masking
[linux/fpc-iii.git] / arch / arm / mach-imx / mach-imx27_visstrim_m10.c
blob5169dfba97185b5037743d2d277d8bb74e063dfa
1 /*
2 * mach-imx27_visstrim_m10.c
4 * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com>
6 * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21 * MA 02110-1301, USA.
24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
26 #include <linux/platform_device.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/i2c.h>
29 #include <linux/platform_data/pca953x.h>
30 #include <linux/input.h>
31 #include <linux/gpio.h>
32 #include <linux/delay.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/leds.h>
35 #include <linux/platform_data/asoc-mx27vis.h>
36 #include <media/soc_camera.h>
37 #include <sound/tlv320aic32x4.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/time.h>
41 #include <asm/system_info.h>
42 #include <asm/memblock.h>
44 #include "common.h"
45 #include "devices-imx27.h"
46 #include "ehci.h"
47 #include "hardware.h"
48 #include "iomux-mx27.h"
50 #define TVP5150_RSTN (GPIO_PORTC + 18)
51 #define TVP5150_PWDN (GPIO_PORTC + 19)
52 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
53 #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
55 #define VERSION_MASK 0x7
56 #define MOTHERBOARD_SHIFT 4
57 #define EXPBOARD_SHIFT 0
59 #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
60 #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
61 #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
63 #define EXPBOARD_BIT2 (GPIO_PORTD + 25)
64 #define EXPBOARD_BIT1 (GPIO_PORTD + 27)
65 #define EXPBOARD_BIT0 (GPIO_PORTD + 28)
67 #define AMP_GAIN_0 (GPIO_PORTF + 9)
68 #define AMP_GAIN_1 (GPIO_PORTF + 8)
69 #define AMP_MUTE_SDL (GPIO_PORTE + 5)
70 #define AMP_MUTE_SDR (GPIO_PORTF + 7)
72 static const int visstrim_m10_pins[] __initconst = {
73 /* UART1 (console) */
74 PE12_PF_UART1_TXD,
75 PE13_PF_UART1_RXD,
76 PE14_PF_UART1_CTS,
77 PE15_PF_UART1_RTS,
78 /* FEC */
79 PD0_AIN_FEC_TXD0,
80 PD1_AIN_FEC_TXD1,
81 PD2_AIN_FEC_TXD2,
82 PD3_AIN_FEC_TXD3,
83 PD4_AOUT_FEC_RX_ER,
84 PD5_AOUT_FEC_RXD1,
85 PD6_AOUT_FEC_RXD2,
86 PD7_AOUT_FEC_RXD3,
87 PD8_AF_FEC_MDIO,
88 PD9_AIN_FEC_MDC,
89 PD10_AOUT_FEC_CRS,
90 PD11_AOUT_FEC_TX_CLK,
91 PD12_AOUT_FEC_RXD0,
92 PD13_AOUT_FEC_RX_DV,
93 PD14_AOUT_FEC_RX_CLK,
94 PD15_AOUT_FEC_COL,
95 PD16_AIN_FEC_TX_ER,
96 PF23_AIN_FEC_TX_EN,
97 /* SSI1 */
98 PC20_PF_SSI1_FS,
99 PC21_PF_SSI1_RXD,
100 PC22_PF_SSI1_TXD,
101 PC23_PF_SSI1_CLK,
102 /* SDHC1 */
103 PE18_PF_SD1_D0,
104 PE19_PF_SD1_D1,
105 PE20_PF_SD1_D2,
106 PE21_PF_SD1_D3,
107 PE22_PF_SD1_CMD,
108 PE23_PF_SD1_CLK,
109 /* Both I2Cs */
110 PD17_PF_I2C_DATA,
111 PD18_PF_I2C_CLK,
112 PC5_PF_I2C2_SDA,
113 PC6_PF_I2C2_SCL,
114 /* USB OTG */
115 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
116 PC9_PF_USBOTG_DATA0,
117 PC11_PF_USBOTG_DATA1,
118 PC10_PF_USBOTG_DATA2,
119 PC13_PF_USBOTG_DATA3,
120 PC12_PF_USBOTG_DATA4,
121 PC7_PF_USBOTG_DATA5,
122 PC8_PF_USBOTG_DATA6,
123 PE25_PF_USBOTG_DATA7,
124 PE24_PF_USBOTG_CLK,
125 PE2_PF_USBOTG_DIR,
126 PE0_PF_USBOTG_NXT,
127 PE1_PF_USBOTG_STP,
128 PB23_PF_USB_PWR,
129 PB24_PF_USB_OC,
130 /* CSI */
131 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
132 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
133 PB10_PF_CSI_D0,
134 PB11_PF_CSI_D1,
135 PB12_PF_CSI_D2,
136 PB13_PF_CSI_D3,
137 PB14_PF_CSI_D4,
138 PB15_PF_CSI_MCLK,
139 PB16_PF_CSI_PIXCLK,
140 PB17_PF_CSI_D5,
141 PB18_PF_CSI_D6,
142 PB19_PF_CSI_D7,
143 PB20_PF_CSI_VSYNC,
144 PB21_PF_CSI_HSYNC,
145 /* mother board version */
146 MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
147 MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
148 MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
149 /* expansion board version */
150 EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
151 EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
152 EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
153 /* Audio AMP control */
154 AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
155 AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
156 AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
157 AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
160 static struct gpio visstrim_m10_version_gpios[] = {
161 { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
162 { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
163 { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
164 { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
165 { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
166 { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
169 static const struct gpio visstrim_m10_gpios[] __initconst = {
171 .gpio = TVP5150_RSTN,
172 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
173 .label = "tvp5150_rstn",
176 .gpio = TVP5150_PWDN,
177 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
178 .label = "tvp5150_pwdn",
181 .gpio = OTG_PHY_CS_GPIO,
182 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
183 .label = "usbotg_cs",
186 .gpio = AMP_GAIN_0,
187 .flags = GPIOF_DIR_OUT,
188 .label = "amp-gain-0",
191 .gpio = AMP_GAIN_1,
192 .flags = GPIOF_DIR_OUT,
193 .label = "amp-gain-1",
196 .gpio = AMP_MUTE_SDL,
197 .flags = GPIOF_DIR_OUT,
198 .label = "amp-mute-sdl",
201 .gpio = AMP_MUTE_SDR,
202 .flags = GPIOF_DIR_OUT,
203 .label = "amp-mute-sdr",
207 /* Camera */
208 static int visstrim_camera_power(struct device *dev, int on)
210 gpio_set_value(TVP5150_PWDN, on);
212 return 0;
215 static int visstrim_camera_reset(struct device *dev)
217 gpio_set_value(TVP5150_RSTN, 0);
218 ndelay(500);
219 gpio_set_value(TVP5150_RSTN, 1);
221 return 0;
224 static struct i2c_board_info visstrim_i2c_camera = {
225 I2C_BOARD_INFO("tvp5150", 0x5d),
228 static struct soc_camera_link iclink_tvp5150 = {
229 .bus_id = 0,
230 .board_info = &visstrim_i2c_camera,
231 .i2c_adapter_id = 0,
232 .power = visstrim_camera_power,
233 .reset = visstrim_camera_reset,
236 static struct mx2_camera_platform_data visstrim_camera = {
237 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
238 MX2_CAMERA_PCLK_SAMPLE_RISING,
239 .clk = 100000,
242 static phys_addr_t mx2_camera_base __initdata;
243 #define MX2_CAMERA_BUF_SIZE SZ_8M
245 static void __init visstrim_analog_camera_init(void)
247 struct platform_device *pdev;
249 gpio_set_value(TVP5150_PWDN, 1);
250 ndelay(1);
251 gpio_set_value(TVP5150_RSTN, 0);
252 ndelay(500);
253 gpio_set_value(TVP5150_RSTN, 1);
254 ndelay(200000);
256 pdev = imx27_add_mx2_camera(&visstrim_camera);
257 if (IS_ERR(pdev))
258 return;
260 dma_declare_coherent_memory(&pdev->dev, mx2_camera_base,
261 mx2_camera_base, MX2_CAMERA_BUF_SIZE,
262 DMA_MEMORY_EXCLUSIVE);
265 static void __init visstrim_reserve(void)
267 /* reserve 4 MiB for mx2-camera */
268 mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
269 MX2_CAMERA_BUF_SIZE);
272 /* GPIOs used as events for applications */
273 static struct gpio_keys_button visstrim_gpio_keys[] = {
275 .type = EV_KEY,
276 .code = KEY_RESTART,
277 .gpio = (GPIO_PORTC + 15),
278 .desc = "Default config",
279 .active_low = 0,
280 .wakeup = 1,
283 .type = EV_KEY,
284 .code = KEY_RECORD,
285 .gpio = (GPIO_PORTF + 14),
286 .desc = "Record",
287 .active_low = 0,
288 .wakeup = 1,
291 .type = EV_KEY,
292 .code = KEY_STOP,
293 .gpio = (GPIO_PORTF + 13),
294 .desc = "Stop",
295 .active_low = 0,
296 .wakeup = 1,
300 static const struct gpio_keys_platform_data
301 visstrim_gpio_keys_platform_data __initconst = {
302 .buttons = visstrim_gpio_keys,
303 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
306 /* led */
307 static const struct gpio_led visstrim_m10_leds[] __initconst = {
309 .name = "visstrim:ld0",
310 .default_trigger = "nand-disk",
311 .gpio = (GPIO_PORTC + 29),
314 .name = "visstrim:ld1",
315 .default_trigger = "nand-disk",
316 .gpio = (GPIO_PORTC + 24),
319 .name = "visstrim:ld2",
320 .default_trigger = "nand-disk",
321 .gpio = (GPIO_PORTC + 28),
324 .name = "visstrim:ld3",
325 .default_trigger = "nand-disk",
326 .gpio = (GPIO_PORTC + 25),
330 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
331 .leds = visstrim_m10_leds,
332 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
335 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
336 static int visstrim_m10_sdhc1_init(struct device *dev,
337 irq_handler_t detect_irq, void *data)
339 int ret;
341 ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
342 IRQF_TRIGGER_FALLING, "mmc-detect", data);
343 return ret;
346 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
348 free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
351 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
352 .init = visstrim_m10_sdhc1_init,
353 .exit = visstrim_m10_sdhc1_exit,
356 /* Visstrim_SM10 NOR flash */
357 static struct physmap_flash_data visstrim_m10_flash_data = {
358 .width = 2,
361 static struct resource visstrim_m10_flash_resource = {
362 .start = 0xc0000000,
363 .end = 0xc0000000 + SZ_64M - 1,
364 .flags = IORESOURCE_MEM,
367 static struct platform_device visstrim_m10_nor_mtd_device = {
368 .name = "physmap-flash",
369 .id = 0,
370 .dev = {
371 .platform_data = &visstrim_m10_flash_data,
373 .num_resources = 1,
374 .resource = &visstrim_m10_flash_resource,
377 static struct platform_device *platform_devices[] __initdata = {
378 &visstrim_m10_nor_mtd_device,
381 /* Visstrim_M10 uses UART0 as console */
382 static const struct imxuart_platform_data uart_pdata __initconst = {
383 .flags = IMXUART_HAVE_RTSCTS,
386 /* I2C */
387 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
388 .bitrate = 100000,
391 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
392 .gpio_base = 240, /* After MX27 internal GPIOs */
393 .invert = 0,
396 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
397 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
398 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
399 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
400 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
401 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
402 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
403 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
404 .swapdacs = false,
407 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
409 I2C_BOARD_INFO("pca9555", 0x20),
410 .platform_data = &visstrim_m10_pca9555_pdata,
413 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
414 .platform_data = &visstrim_m10_aic32x4_pdata,
417 I2C_BOARD_INFO("m41t00", 0x68),
421 /* USB OTG */
422 static int otg_phy_init(struct platform_device *pdev)
424 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
427 static const struct mxc_usbh_platform_data
428 visstrim_m10_usbotg_pdata __initconst = {
429 .init = otg_phy_init,
430 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
433 /* SSI */
434 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
435 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
438 /* coda */
440 static void __init visstrim_coda_init(void)
442 struct platform_device *pdev;
444 pdev = imx27_add_coda();
445 dma_declare_coherent_memory(&pdev->dev,
446 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
447 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
448 MX2_CAMERA_BUF_SIZE,
449 DMA_MEMORY_EXCLUSIVE);
452 /* DMA deinterlace */
453 static struct platform_device visstrim_deinterlace = {
454 .name = "m2m-deinterlace",
455 .id = 0,
458 static void __init visstrim_deinterlace_init(void)
460 int ret = -ENOMEM;
461 struct platform_device *pdev = &visstrim_deinterlace;
463 ret = platform_device_register(pdev);
465 dma_declare_coherent_memory(&pdev->dev,
466 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
467 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
468 MX2_CAMERA_BUF_SIZE,
469 DMA_MEMORY_EXCLUSIVE);
472 /* Emma-PrP for format conversion */
473 static void __init visstrim_emmaprp_init(void)
475 struct platform_device *pdev;
476 int ret;
478 pdev = imx27_add_mx2_emmaprp();
479 if (IS_ERR(pdev))
480 return;
483 * Use the same memory area as the analog camera since both
484 * devices are, by nature, exclusive.
486 ret = dma_declare_coherent_memory(&pdev->dev,
487 mx2_camera_base, mx2_camera_base,
488 MX2_CAMERA_BUF_SIZE,
489 DMA_MEMORY_EXCLUSIVE);
490 if (ret)
491 pr_err("Failed to declare memory for emmaprp\n");
494 /* Audio */
495 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
496 .amp_gain0_gpio = AMP_GAIN_0,
497 .amp_gain1_gpio = AMP_GAIN_1,
498 .amp_mutel_gpio = AMP_MUTE_SDL,
499 .amp_muter_gpio = AMP_MUTE_SDR,
502 static void __init visstrim_m10_revision(void)
504 int exp_version = 0;
505 int mo_version = 0;
506 int ret;
508 ret = gpio_request_array(visstrim_m10_version_gpios,
509 ARRAY_SIZE(visstrim_m10_version_gpios));
510 if (ret) {
511 pr_err("Failed to request version gpios");
512 return;
515 /* Get expansion board version (negative logic) */
516 exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
517 exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
518 exp_version |= !gpio_get_value(EXPBOARD_BIT0);
520 /* Get mother board version (negative logic) */
521 mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
522 mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
523 mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
525 system_rev = 0x27000;
526 system_rev |= (mo_version << MOTHERBOARD_SHIFT);
527 system_rev |= (exp_version << EXPBOARD_SHIFT);
530 static void __init visstrim_m10_board_init(void)
532 int ret;
534 imx27_soc_init();
535 visstrim_m10_revision();
537 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
538 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
539 if (ret)
540 pr_err("Failed to setup pins (%d)\n", ret);
542 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
543 imx27_add_imx_uart0(&uart_pdata);
545 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
546 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
547 i2c_register_board_info(0, visstrim_m10_i2c_devices,
548 ARRAY_SIZE(visstrim_m10_i2c_devices));
550 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
551 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
552 imx27_add_fec(NULL);
554 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
557 static void __init visstrim_m10_late_init(void)
559 int mo_version, ret;
561 ret = gpio_request_array(visstrim_m10_gpios,
562 ARRAY_SIZE(visstrim_m10_gpios));
563 if (ret)
564 pr_err("Failed to request gpios (%d)\n", ret);
566 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
568 imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
569 sizeof(snd_mx27vis_pdata));
570 platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
571 &iclink_tvp5150, sizeof(iclink_tvp5150));
573 gpio_led_register_device(0, &visstrim_m10_led_data);
575 /* Use mother board version to decide what video devices we shall use */
576 mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
577 if (mo_version & 0x1) {
578 visstrim_emmaprp_init();
581 * Despite not being used, tvp5150 must be
582 * powered on to avoid I2C problems. To minimize
583 * power consupmtion keep reset enabled.
585 gpio_set_value(TVP5150_PWDN, 1);
586 ndelay(1);
587 gpio_set_value(TVP5150_RSTN, 0);
588 } else {
589 visstrim_deinterlace_init();
590 visstrim_analog_camera_init();
593 visstrim_coda_init();
596 static void __init visstrim_m10_timer_init(void)
598 mx27_clocks_init((unsigned long)25000000);
601 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
602 .atag_offset = 0x100,
603 .reserve = visstrim_reserve,
604 .map_io = mx27_map_io,
605 .init_early = imx27_init_early,
606 .init_irq = mx27_init_irq,
607 .init_time = visstrim_m10_timer_init,
608 .init_machine = visstrim_m10_board_init,
609 .init_late = visstrim_m10_late_init,
610 .restart = mxc_restart,
611 MACHINE_END