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,
125 static int visstrim_camera_power(struct device *dev, int on)
127 gpio_set_value(TVP5150_PWDN, on);
132 static int visstrim_camera_reset(struct device *dev)
134 gpio_set_value(TVP5150_RSTN, 0);
136 gpio_set_value(TVP5150_RSTN, 1);
141 static struct i2c_board_info visstrim_i2c_camera = {
142 I2C_BOARD_INFO("tvp5150", 0x5d),
145 static struct soc_camera_link iclink_tvp5150 = {
147 .board_info = &visstrim_i2c_camera,
149 .power = visstrim_camera_power,
150 .reset = visstrim_camera_reset,
153 static struct mx2_camera_platform_data visstrim_camera = {
154 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
155 MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
159 static phys_addr_t mx2_camera_base __initdata;
160 #define MX2_CAMERA_BUF_SIZE SZ_8M
162 static void __init visstrim_camera_init(void)
164 struct platform_device *pdev;
167 /* Initialize tvp5150 gpios */
168 mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
169 mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
170 gpio_set_value(TVP5150_RSTN, 1);
171 gpio_set_value(TVP5150_PWDN, 0);
174 gpio_set_value(TVP5150_PWDN, 1);
176 gpio_set_value(TVP5150_RSTN, 0);
178 gpio_set_value(TVP5150_RSTN, 1);
181 pdev = imx27_add_mx2_camera(&visstrim_camera);
185 dma = dma_declare_coherent_memory(&pdev->dev,
186 mx2_camera_base, mx2_camera_base,
188 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
189 if (!(dma & DMA_MEMORY_MAP))
193 static void __init visstrim_reserve(void)
195 /* reserve 4 MiB for mx2-camera */
196 mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
197 MX2_CAMERA_BUF_SIZE);
198 memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
199 memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
202 /* GPIOs used as events for applications */
203 static struct gpio_keys_button visstrim_gpio_keys[] = {
207 .gpio = (GPIO_PORTC + 15),
208 .desc = "Default config",
215 .gpio = (GPIO_PORTF + 14),
223 .gpio = (GPIO_PORTF + 13),
230 static const struct gpio_keys_platform_data
231 visstrim_gpio_keys_platform_data __initconst = {
232 .buttons = visstrim_gpio_keys,
233 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
237 static const struct gpio_led visstrim_m10_leds[] __initconst = {
239 .name = "visstrim:ld0",
240 .default_trigger = "nand-disk",
241 .gpio = (GPIO_PORTC + 29),
244 .name = "visstrim:ld1",
245 .default_trigger = "nand-disk",
246 .gpio = (GPIO_PORTC + 24),
249 .name = "visstrim:ld2",
250 .default_trigger = "nand-disk",
251 .gpio = (GPIO_PORTC + 28),
254 .name = "visstrim:ld3",
255 .default_trigger = "nand-disk",
256 .gpio = (GPIO_PORTC + 25),
260 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
261 .leds = visstrim_m10_leds,
262 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
265 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
266 static int visstrim_m10_sdhc1_init(struct device *dev,
267 irq_handler_t detect_irq, void *data)
271 ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING,
276 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
278 free_irq(SDHC1_IRQ, data);
281 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
282 .init = visstrim_m10_sdhc1_init,
283 .exit = visstrim_m10_sdhc1_exit,
286 /* Visstrim_SM10 NOR flash */
287 static struct physmap_flash_data visstrim_m10_flash_data = {
291 static struct resource visstrim_m10_flash_resource = {
293 .end = 0xc0000000 + SZ_64M - 1,
294 .flags = IORESOURCE_MEM,
297 static struct platform_device visstrim_m10_nor_mtd_device = {
298 .name = "physmap-flash",
301 .platform_data = &visstrim_m10_flash_data,
304 .resource = &visstrim_m10_flash_resource,
307 static struct platform_device *platform_devices[] __initdata = {
308 &visstrim_m10_nor_mtd_device,
311 /* Visstrim_M10 uses UART0 as console */
312 static const struct imxuart_platform_data uart_pdata __initconst = {
313 .flags = IMXUART_HAVE_RTSCTS,
317 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
321 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
322 .gpio_base = 240, /* After MX27 internal GPIOs */
326 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
327 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
328 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
329 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
330 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
331 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
332 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
333 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
337 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
339 I2C_BOARD_INFO("pca9555", 0x20),
340 .platform_data = &visstrim_m10_pca9555_pdata,
343 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
344 .platform_data = &visstrim_m10_aic32x4_pdata,
347 I2C_BOARD_INFO("m41t00", 0x68),
352 static int otg_phy_init(struct platform_device *pdev)
354 gpio_set_value(OTG_PHY_CS_GPIO, 0);
358 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
361 static const struct mxc_usbh_platform_data
362 visstrim_m10_usbotg_pdata __initconst = {
363 .init = otg_phy_init,
364 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
368 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
369 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
372 static void __init visstrim_m10_board_init(void)
378 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
379 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
381 pr_err("Failed to setup pins (%d)\n", ret);
383 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
384 imx27_add_imx_uart0(&uart_pdata);
386 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
387 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
388 i2c_register_board_info(0, visstrim_m10_i2c_devices,
389 ARRAY_SIZE(visstrim_m10_i2c_devices));
391 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
392 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
394 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
395 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
396 imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
397 platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
398 &iclink_tvp5150, sizeof(iclink_tvp5150));
399 gpio_led_register_device(0, &visstrim_m10_led_data);
400 visstrim_camera_init();
403 static void __init visstrim_m10_timer_init(void)
405 mx27_clocks_init((unsigned long)25000000);
408 static struct sys_timer visstrim_m10_timer = {
409 .init = visstrim_m10_timer_init,
412 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
413 .atag_offset = 0x100,
414 .reserve = visstrim_reserve,
415 .map_io = mx27_map_io,
416 .init_early = imx27_init_early,
417 .init_irq = mx27_init_irq,
418 .handle_irq = imx27_handle_irq,
419 .timer = &visstrim_m10_timer,
420 .init_machine = visstrim_m10_board_init,
421 .restart = mxc_restart,