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/i2c/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/memblock.h>
36 #include <linux/platform_data/asoc-mx27vis.h>
37 #include <media/soc_camera.h>
38 #include <sound/tlv320aic32x4.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/time.h>
42 #include <asm/system_info.h>
43 #include <mach/common.h>
44 #include <mach/hardware.h>
45 #include <mach/iomux-mx27.h>
47 #include "devices-imx27.h"
49 #define TVP5150_RSTN (GPIO_PORTC + 18)
50 #define TVP5150_PWDN (GPIO_PORTC + 19)
51 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
52 #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
54 #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
55 #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
56 #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
58 #define EXPBOARD_BIT2 (GPIO_PORTD + 25)
59 #define EXPBOARD_BIT1 (GPIO_PORTD + 27)
60 #define EXPBOARD_BIT0 (GPIO_PORTD + 28)
62 #define AMP_GAIN_0 (GPIO_PORTF + 9)
63 #define AMP_GAIN_1 (GPIO_PORTF + 8)
64 #define AMP_MUTE_SDL (GPIO_PORTE + 5)
65 #define AMP_MUTE_SDR (GPIO_PORTF + 7)
67 static const int visstrim_m10_pins[] __initconst = {
110 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
112 PC11_PF_USBOTG_DATA1,
113 PC10_PF_USBOTG_DATA2,
114 PC13_PF_USBOTG_DATA3,
115 PC12_PF_USBOTG_DATA4,
118 PE25_PF_USBOTG_DATA7,
126 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
127 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
140 /* mother board version */
141 MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
142 MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
143 MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
144 /* expansion board version */
145 EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
146 EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
147 EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
148 /* Audio AMP control */
149 AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
150 AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
151 AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
152 AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
155 static struct gpio visstrim_m10_version_gpios[] = {
156 { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
157 { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
158 { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
159 { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
160 { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
161 { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
164 static const struct gpio visstrim_m10_gpios[] __initconst = {
166 .gpio = TVP5150_RSTN,
167 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
168 .label = "tvp5150_rstn",
171 .gpio = TVP5150_PWDN,
172 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
173 .label = "tvp5150_pwdn",
176 .gpio = OTG_PHY_CS_GPIO,
177 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
178 .label = "usbotg_cs",
182 .flags = GPIOF_DIR_OUT,
183 .label = "amp-gain-0",
187 .flags = GPIOF_DIR_OUT,
188 .label = "amp-gain-1",
191 .gpio = AMP_MUTE_SDL,
192 .flags = GPIOF_DIR_OUT,
193 .label = "amp-mute-sdl",
196 .gpio = AMP_MUTE_SDR,
197 .flags = GPIOF_DIR_OUT,
198 .label = "amp-mute-sdr",
203 static int visstrim_camera_power(struct device *dev, int on)
205 gpio_set_value(TVP5150_PWDN, on);
210 static int visstrim_camera_reset(struct device *dev)
212 gpio_set_value(TVP5150_RSTN, 0);
214 gpio_set_value(TVP5150_RSTN, 1);
219 static struct i2c_board_info visstrim_i2c_camera = {
220 I2C_BOARD_INFO("tvp5150", 0x5d),
223 static struct soc_camera_link iclink_tvp5150 = {
225 .board_info = &visstrim_i2c_camera,
227 .power = visstrim_camera_power,
228 .reset = visstrim_camera_reset,
231 static struct mx2_camera_platform_data visstrim_camera = {
232 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
233 MX2_CAMERA_PCLK_SAMPLE_RISING,
237 static phys_addr_t mx2_camera_base __initdata;
238 #define MX2_CAMERA_BUF_SIZE SZ_8M
240 static void __init visstrim_camera_init(void)
242 struct platform_device *pdev;
245 gpio_set_value(TVP5150_PWDN, 1);
247 gpio_set_value(TVP5150_RSTN, 0);
249 gpio_set_value(TVP5150_RSTN, 1);
252 pdev = imx27_add_mx2_camera(&visstrim_camera);
256 dma = dma_declare_coherent_memory(&pdev->dev,
257 mx2_camera_base, mx2_camera_base,
259 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
260 if (!(dma & DMA_MEMORY_MAP))
264 static void __init visstrim_reserve(void)
266 /* reserve 4 MiB for mx2-camera */
267 mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
268 MX2_CAMERA_BUF_SIZE);
269 memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
270 memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
273 /* GPIOs used as events for applications */
274 static struct gpio_keys_button visstrim_gpio_keys[] = {
278 .gpio = (GPIO_PORTC + 15),
279 .desc = "Default config",
286 .gpio = (GPIO_PORTF + 14),
294 .gpio = (GPIO_PORTF + 13),
301 static const struct gpio_keys_platform_data
302 visstrim_gpio_keys_platform_data __initconst = {
303 .buttons = visstrim_gpio_keys,
304 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
308 static const struct gpio_led visstrim_m10_leds[] __initconst = {
310 .name = "visstrim:ld0",
311 .default_trigger = "nand-disk",
312 .gpio = (GPIO_PORTC + 29),
315 .name = "visstrim:ld1",
316 .default_trigger = "nand-disk",
317 .gpio = (GPIO_PORTC + 24),
320 .name = "visstrim:ld2",
321 .default_trigger = "nand-disk",
322 .gpio = (GPIO_PORTC + 28),
325 .name = "visstrim:ld3",
326 .default_trigger = "nand-disk",
327 .gpio = (GPIO_PORTC + 25),
331 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
332 .leds = visstrim_m10_leds,
333 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
336 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
337 static int visstrim_m10_sdhc1_init(struct device *dev,
338 irq_handler_t detect_irq, void *data)
342 ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
343 IRQF_TRIGGER_FALLING, "mmc-detect", data);
347 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
349 free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
352 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
353 .init = visstrim_m10_sdhc1_init,
354 .exit = visstrim_m10_sdhc1_exit,
357 /* Visstrim_SM10 NOR flash */
358 static struct physmap_flash_data visstrim_m10_flash_data = {
362 static struct resource visstrim_m10_flash_resource = {
364 .end = 0xc0000000 + SZ_64M - 1,
365 .flags = IORESOURCE_MEM,
368 static struct platform_device visstrim_m10_nor_mtd_device = {
369 .name = "physmap-flash",
372 .platform_data = &visstrim_m10_flash_data,
375 .resource = &visstrim_m10_flash_resource,
378 static struct platform_device *platform_devices[] __initdata = {
379 &visstrim_m10_nor_mtd_device,
382 /* Visstrim_M10 uses UART0 as console */
383 static const struct imxuart_platform_data uart_pdata __initconst = {
384 .flags = IMXUART_HAVE_RTSCTS,
388 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
392 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
393 .gpio_base = 240, /* After MX27 internal GPIOs */
397 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
398 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
399 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
400 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
401 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
402 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
403 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
404 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
408 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
410 I2C_BOARD_INFO("pca9555", 0x20),
411 .platform_data = &visstrim_m10_pca9555_pdata,
414 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
415 .platform_data = &visstrim_m10_aic32x4_pdata,
418 I2C_BOARD_INFO("m41t00", 0x68),
423 static int otg_phy_init(struct platform_device *pdev)
425 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
428 static const struct mxc_usbh_platform_data
429 visstrim_m10_usbotg_pdata __initconst = {
430 .init = otg_phy_init,
431 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
435 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
436 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
440 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
441 .amp_gain0_gpio = AMP_GAIN_0,
442 .amp_gain1_gpio = AMP_GAIN_1,
443 .amp_mutel_gpio = AMP_MUTE_SDL,
444 .amp_muter_gpio = AMP_MUTE_SDR,
447 static void __init visstrim_m10_revision(void)
453 ret = gpio_request_array(visstrim_m10_version_gpios,
454 ARRAY_SIZE(visstrim_m10_version_gpios));
456 pr_err("Failed to request version gpios");
460 /* Get expansion board version (negative logic) */
461 exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
462 exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
463 exp_version |= !gpio_get_value(EXPBOARD_BIT0);
465 /* Get mother board version (negative logic) */
466 mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
467 mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
468 mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
470 system_rev = 0x27000;
471 system_rev |= (mo_version << 4);
472 system_rev |= exp_version;
475 static void __init visstrim_m10_board_init(void)
480 visstrim_m10_revision();
482 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
483 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
485 pr_err("Failed to setup pins (%d)\n", ret);
487 ret = gpio_request_array(visstrim_m10_gpios,
488 ARRAY_SIZE(visstrim_m10_gpios));
490 pr_err("Failed to request gpios (%d)\n", ret);
492 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
493 imx27_add_imx_uart0(&uart_pdata);
495 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
496 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
497 i2c_register_board_info(0, visstrim_m10_i2c_devices,
498 ARRAY_SIZE(visstrim_m10_i2c_devices));
500 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
501 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
503 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
504 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
505 imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
506 sizeof(snd_mx27vis_pdata));
507 platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
508 &iclink_tvp5150, sizeof(iclink_tvp5150));
509 gpio_led_register_device(0, &visstrim_m10_led_data);
510 visstrim_camera_init();
513 static void __init visstrim_m10_timer_init(void)
515 mx27_clocks_init((unsigned long)25000000);
518 static struct sys_timer visstrim_m10_timer = {
519 .init = visstrim_m10_timer_init,
522 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
523 .atag_offset = 0x100,
524 .reserve = visstrim_reserve,
525 .map_io = mx27_map_io,
526 .init_early = imx27_init_early,
527 .init_irq = mx27_init_irq,
528 .handle_irq = imx27_handle_irq,
529 .timer = &visstrim_m10_timer,
530 .init_machine = visstrim_m10_board_init,
531 .restart = mxc_restart,