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,
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>
45 #include "devices-imx27.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 = {
115 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
117 PC11_PF_USBOTG_DATA1,
118 PC10_PF_USBOTG_DATA2,
119 PC13_PF_USBOTG_DATA3,
120 PC12_PF_USBOTG_DATA4,
123 PE25_PF_USBOTG_DATA7,
131 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
132 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
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",
187 .flags = GPIOF_DIR_OUT,
188 .label = "amp-gain-0",
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",
208 static int visstrim_camera_power(struct device *dev, int on)
210 gpio_set_value(TVP5150_PWDN, on);
215 static int visstrim_camera_reset(struct device *dev)
217 gpio_set_value(TVP5150_RSTN, 0);
219 gpio_set_value(TVP5150_RSTN, 1);
224 static struct i2c_board_info visstrim_i2c_camera = {
225 I2C_BOARD_INFO("tvp5150", 0x5d),
228 static struct soc_camera_link iclink_tvp5150 = {
230 .board_info = &visstrim_i2c_camera,
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,
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);
251 gpio_set_value(TVP5150_RSTN, 0);
253 gpio_set_value(TVP5150_RSTN, 1);
256 pdev = imx27_add_mx2_camera(&visstrim_camera);
260 dma_declare_coherent_memory(&pdev->dev, mx2_camera_base,
261 mx2_camera_base, MX2_CAMERA_BUF_SIZE);
264 static void __init visstrim_reserve(void)
266 /* reserve 4 MiB for mx2-camera */
267 mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
268 MX2_CAMERA_BUF_SIZE);
271 /* GPIOs used as events for applications */
272 static struct gpio_keys_button visstrim_gpio_keys[] = {
276 .gpio = (GPIO_PORTC + 15),
277 .desc = "Default config",
284 .gpio = (GPIO_PORTF + 14),
292 .gpio = (GPIO_PORTF + 13),
299 static const struct gpio_keys_platform_data
300 visstrim_gpio_keys_platform_data __initconst = {
301 .buttons = visstrim_gpio_keys,
302 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
306 static const struct gpio_led visstrim_m10_leds[] __initconst = {
308 .name = "visstrim:ld0",
309 .default_trigger = "nand-disk",
310 .gpio = (GPIO_PORTC + 29),
313 .name = "visstrim:ld1",
314 .default_trigger = "nand-disk",
315 .gpio = (GPIO_PORTC + 24),
318 .name = "visstrim:ld2",
319 .default_trigger = "nand-disk",
320 .gpio = (GPIO_PORTC + 28),
323 .name = "visstrim:ld3",
324 .default_trigger = "nand-disk",
325 .gpio = (GPIO_PORTC + 25),
329 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
330 .leds = visstrim_m10_leds,
331 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
334 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
335 static int visstrim_m10_sdhc1_init(struct device *dev,
336 irq_handler_t detect_irq, void *data)
340 ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
341 IRQF_TRIGGER_FALLING, "mmc-detect", data);
345 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
347 free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
350 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
351 .init = visstrim_m10_sdhc1_init,
352 .exit = visstrim_m10_sdhc1_exit,
355 /* Visstrim_SM10 NOR flash */
356 static struct physmap_flash_data visstrim_m10_flash_data = {
360 static struct resource visstrim_m10_flash_resource = {
362 .end = 0xc0000000 + SZ_64M - 1,
363 .flags = IORESOURCE_MEM,
366 static struct platform_device visstrim_m10_nor_mtd_device = {
367 .name = "physmap-flash",
370 .platform_data = &visstrim_m10_flash_data,
373 .resource = &visstrim_m10_flash_resource,
376 static struct platform_device *platform_devices[] __initdata = {
377 &visstrim_m10_nor_mtd_device,
380 /* Visstrim_M10 uses UART0 as console */
381 static const struct imxuart_platform_data uart_pdata __initconst = {
382 .flags = IMXUART_HAVE_RTSCTS,
386 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
390 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
391 .gpio_base = 240, /* After MX27 internal GPIOs */
395 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
396 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
397 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
398 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
399 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
400 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
401 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
402 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
406 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
408 I2C_BOARD_INFO("pca9555", 0x20),
409 .platform_data = &visstrim_m10_pca9555_pdata,
412 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
413 .platform_data = &visstrim_m10_aic32x4_pdata,
416 I2C_BOARD_INFO("m41t00", 0x68),
421 static int otg_phy_init(struct platform_device *pdev)
423 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
426 static const struct mxc_usbh_platform_data
427 visstrim_m10_usbotg_pdata __initconst = {
428 .init = otg_phy_init,
429 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
433 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
434 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
439 static void __init visstrim_coda_init(void)
441 struct platform_device *pdev;
443 pdev = imx27_add_coda();
444 dma_declare_coherent_memory(&pdev->dev,
445 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
446 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
447 MX2_CAMERA_BUF_SIZE);
450 /* DMA deinterlace */
451 static struct platform_device visstrim_deinterlace = {
452 .name = "m2m-deinterlace",
456 static void __init visstrim_deinterlace_init(void)
459 struct platform_device *pdev = &visstrim_deinterlace;
461 ret = platform_device_register(pdev);
463 dma_declare_coherent_memory(&pdev->dev,
464 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
465 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
466 MX2_CAMERA_BUF_SIZE);
469 /* Emma-PrP for format conversion */
470 static void __init visstrim_emmaprp_init(void)
472 struct platform_device *pdev;
475 pdev = imx27_add_mx2_emmaprp();
480 * Use the same memory area as the analog camera since both
481 * devices are, by nature, exclusive.
483 ret = dma_declare_coherent_memory(&pdev->dev,
484 mx2_camera_base, mx2_camera_base,
485 MX2_CAMERA_BUF_SIZE);
487 pr_err("Failed to declare memory for emmaprp\n");
491 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
492 .amp_gain0_gpio = AMP_GAIN_0,
493 .amp_gain1_gpio = AMP_GAIN_1,
494 .amp_mutel_gpio = AMP_MUTE_SDL,
495 .amp_muter_gpio = AMP_MUTE_SDR,
498 static void __init visstrim_m10_revision(void)
504 ret = gpio_request_array(visstrim_m10_version_gpios,
505 ARRAY_SIZE(visstrim_m10_version_gpios));
507 pr_err("Failed to request version gpios");
511 /* Get expansion board version (negative logic) */
512 exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
513 exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
514 exp_version |= !gpio_get_value(EXPBOARD_BIT0);
516 /* Get mother board version (negative logic) */
517 mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
518 mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
519 mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
521 system_rev = 0x27000;
522 system_rev |= (mo_version << MOTHERBOARD_SHIFT);
523 system_rev |= (exp_version << EXPBOARD_SHIFT);
526 static void __init visstrim_m10_board_init(void)
531 visstrim_m10_revision();
533 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
534 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
536 pr_err("Failed to setup pins (%d)\n", ret);
538 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
539 imx27_add_imx_uart0(&uart_pdata);
541 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
542 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
543 i2c_register_board_info(0, visstrim_m10_i2c_devices,
544 ARRAY_SIZE(visstrim_m10_i2c_devices));
546 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
547 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
550 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
553 static void __init visstrim_m10_late_init(void)
557 ret = gpio_request_array(visstrim_m10_gpios,
558 ARRAY_SIZE(visstrim_m10_gpios));
560 pr_err("Failed to request gpios (%d)\n", ret);
562 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
564 imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
565 sizeof(snd_mx27vis_pdata));
566 platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
567 &iclink_tvp5150, sizeof(iclink_tvp5150));
569 gpio_led_register_device(0, &visstrim_m10_led_data);
571 /* Use mother board version to decide what video devices we shall use */
572 mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
573 if (mo_version & 0x1) {
574 visstrim_emmaprp_init();
577 * Despite not being used, tvp5150 must be
578 * powered on to avoid I2C problems. To minimize
579 * power consupmtion keep reset enabled.
581 gpio_set_value(TVP5150_PWDN, 1);
583 gpio_set_value(TVP5150_RSTN, 0);
585 visstrim_deinterlace_init();
586 visstrim_analog_camera_init();
589 visstrim_coda_init();
592 static void __init visstrim_m10_timer_init(void)
594 mx27_clocks_init((unsigned long)25000000);
597 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
598 .atag_offset = 0x100,
599 .reserve = visstrim_reserve,
600 .map_io = mx27_map_io,
601 .init_early = imx27_init_early,
602 .init_irq = mx27_init_irq,
603 .init_time = visstrim_m10_timer_init,
604 .init_machine = visstrim_m10_board_init,
605 .init_late = visstrim_m10_late_init,
606 .restart = mxc_restart,