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 <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 <mach/common.h>
42 #include <mach/iomux-mx27.h>
44 #include "devices-imx27.h"
46 #define TVP5150_RSTN (GPIO_PORTC + 18)
47 #define TVP5150_PWDN (GPIO_PORTC + 19)
48 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
49 #define SDHC1_IRQ IRQ_GPIOB(25)
51 static const int visstrim_m10_pins[] __initconst = {
94 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
102 PE25_PF_USBOTG_DATA7,
110 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
111 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
126 static const struct gpio visstrim_m10_gpios[] __initconst = {
128 .gpio = TVP5150_RSTN,
129 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
130 .label = "tvp5150_rstn",
133 .gpio = TVP5150_PWDN,
134 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
135 .label = "tvp5150_pwdn",
138 .gpio = OTG_PHY_CS_GPIO,
139 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
140 .label = "usbotg_cs",
145 static int visstrim_camera_power(struct device *dev, int on)
147 gpio_set_value(TVP5150_PWDN, on);
152 static int visstrim_camera_reset(struct device *dev)
154 gpio_set_value(TVP5150_RSTN, 0);
156 gpio_set_value(TVP5150_RSTN, 1);
161 static struct i2c_board_info visstrim_i2c_camera = {
162 I2C_BOARD_INFO("tvp5150", 0x5d),
165 static struct soc_camera_link iclink_tvp5150 = {
167 .board_info = &visstrim_i2c_camera,
169 .power = visstrim_camera_power,
170 .reset = visstrim_camera_reset,
173 static struct mx2_camera_platform_data visstrim_camera = {
174 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
175 MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
179 static phys_addr_t mx2_camera_base __initdata;
180 #define MX2_CAMERA_BUF_SIZE SZ_8M
182 static void __init visstrim_camera_init(void)
184 struct platform_device *pdev;
187 gpio_set_value(TVP5150_PWDN, 1);
189 gpio_set_value(TVP5150_RSTN, 0);
191 gpio_set_value(TVP5150_RSTN, 1);
194 pdev = imx27_add_mx2_camera(&visstrim_camera);
198 dma = dma_declare_coherent_memory(&pdev->dev,
199 mx2_camera_base, mx2_camera_base,
201 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
202 if (!(dma & DMA_MEMORY_MAP))
206 static void __init visstrim_reserve(void)
208 /* reserve 4 MiB for mx2-camera */
209 mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
210 MX2_CAMERA_BUF_SIZE);
211 memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
212 memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
215 /* GPIOs used as events for applications */
216 static struct gpio_keys_button visstrim_gpio_keys[] = {
220 .gpio = (GPIO_PORTC + 15),
221 .desc = "Default config",
228 .gpio = (GPIO_PORTF + 14),
236 .gpio = (GPIO_PORTF + 13),
243 static const struct gpio_keys_platform_data
244 visstrim_gpio_keys_platform_data __initconst = {
245 .buttons = visstrim_gpio_keys,
246 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
250 static const struct gpio_led visstrim_m10_leds[] __initconst = {
252 .name = "visstrim:ld0",
253 .default_trigger = "nand-disk",
254 .gpio = (GPIO_PORTC + 29),
257 .name = "visstrim:ld1",
258 .default_trigger = "nand-disk",
259 .gpio = (GPIO_PORTC + 24),
262 .name = "visstrim:ld2",
263 .default_trigger = "nand-disk",
264 .gpio = (GPIO_PORTC + 28),
267 .name = "visstrim:ld3",
268 .default_trigger = "nand-disk",
269 .gpio = (GPIO_PORTC + 25),
273 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
274 .leds = visstrim_m10_leds,
275 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
278 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
279 static int visstrim_m10_sdhc1_init(struct device *dev,
280 irq_handler_t detect_irq, void *data)
284 ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING,
289 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
291 free_irq(SDHC1_IRQ, data);
294 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
295 .init = visstrim_m10_sdhc1_init,
296 .exit = visstrim_m10_sdhc1_exit,
299 /* Visstrim_SM10 NOR flash */
300 static struct physmap_flash_data visstrim_m10_flash_data = {
304 static struct resource visstrim_m10_flash_resource = {
306 .end = 0xc0000000 + SZ_64M - 1,
307 .flags = IORESOURCE_MEM,
310 static struct platform_device visstrim_m10_nor_mtd_device = {
311 .name = "physmap-flash",
314 .platform_data = &visstrim_m10_flash_data,
317 .resource = &visstrim_m10_flash_resource,
320 static struct platform_device *platform_devices[] __initdata = {
321 &visstrim_m10_nor_mtd_device,
324 /* Visstrim_M10 uses UART0 as console */
325 static const struct imxuart_platform_data uart_pdata __initconst = {
326 .flags = IMXUART_HAVE_RTSCTS,
330 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
334 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
335 .gpio_base = 240, /* After MX27 internal GPIOs */
339 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
340 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
341 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
342 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
343 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
344 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
345 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
346 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
350 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
352 I2C_BOARD_INFO("pca9555", 0x20),
353 .platform_data = &visstrim_m10_pca9555_pdata,
356 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
357 .platform_data = &visstrim_m10_aic32x4_pdata,
360 I2C_BOARD_INFO("m41t00", 0x68),
365 static int otg_phy_init(struct platform_device *pdev)
367 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
370 static const struct mxc_usbh_platform_data
371 visstrim_m10_usbotg_pdata __initconst = {
372 .init = otg_phy_init,
373 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
377 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
378 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
381 static void __init visstrim_m10_board_init(void)
387 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
388 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
390 pr_err("Failed to setup pins (%d)\n", ret);
392 ret = gpio_request_array(visstrim_m10_gpios,
393 ARRAY_SIZE(visstrim_m10_gpios));
395 pr_err("Failed to request gpios (%d)\n", ret);
397 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
398 imx27_add_imx_uart0(&uart_pdata);
400 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
401 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
402 i2c_register_board_info(0, visstrim_m10_i2c_devices,
403 ARRAY_SIZE(visstrim_m10_i2c_devices));
405 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
406 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
408 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
409 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
410 imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
411 platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
412 &iclink_tvp5150, sizeof(iclink_tvp5150));
413 gpio_led_register_device(0, &visstrim_m10_led_data);
414 visstrim_camera_init();
417 static void __init visstrim_m10_timer_init(void)
419 mx27_clocks_init((unsigned long)25000000);
422 static struct sys_timer visstrim_m10_timer = {
423 .init = visstrim_m10_timer_init,
426 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
427 .atag_offset = 0x100,
428 .reserve = visstrim_reserve,
429 .map_io = mx27_map_io,
430 .init_early = imx27_init_early,
431 .init_irq = mx27_init_irq,
432 .handle_irq = imx27_handle_irq,
433 .timer = &visstrim_m10_timer,
434 .init_machine = visstrim_m10_board_init,
435 .restart = mxc_restart,