1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * mach-imx27_visstrim_m10.c
5 * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com>
7 * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
10 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
12 #include <linux/platform_device.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/i2c.h>
15 #include <linux/platform_data/pca953x.h>
16 #include <linux/input.h>
17 #include <linux/gpio.h>
18 #include <linux/delay.h>
19 #include <linux/dma-map-ops.h>
20 #include <linux/leds.h>
21 #include <linux/platform_data/asoc-mx27vis.h>
22 #include <sound/tlv320aic32x4.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/time.h>
26 #include <asm/system_info.h>
27 #include <asm/memblock.h>
30 #include "devices-imx27.h"
33 #include "iomux-mx27.h"
35 #define TVP5150_RSTN (GPIO_PORTC + 18)
36 #define TVP5150_PWDN (GPIO_PORTC + 19)
37 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
38 #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
40 #define VERSION_MASK 0x7
41 #define MOTHERBOARD_SHIFT 4
42 #define EXPBOARD_SHIFT 0
44 #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
45 #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
46 #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
48 #define EXPBOARD_BIT2 (GPIO_PORTD + 25)
49 #define EXPBOARD_BIT1 (GPIO_PORTD + 27)
50 #define EXPBOARD_BIT0 (GPIO_PORTD + 28)
52 #define AMP_GAIN_0 (GPIO_PORTF + 9)
53 #define AMP_GAIN_1 (GPIO_PORTF + 8)
54 #define AMP_MUTE_SDL (GPIO_PORTE + 5)
55 #define AMP_MUTE_SDR (GPIO_PORTF + 7)
57 static const int visstrim_m10_pins[] __initconst = {
100 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
102 PC11_PF_USBOTG_DATA1,
103 PC10_PF_USBOTG_DATA2,
104 PC13_PF_USBOTG_DATA3,
105 PC12_PF_USBOTG_DATA4,
108 PE25_PF_USBOTG_DATA7,
116 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
117 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
130 /* mother board version */
131 MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
132 MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
133 MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
134 /* expansion board version */
135 EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
136 EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
137 EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
138 /* Audio AMP control */
139 AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
140 AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
141 AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
142 AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
145 static struct gpio visstrim_m10_version_gpios[] = {
146 { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
147 { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
148 { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
149 { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
150 { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
151 { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
154 static const struct gpio visstrim_m10_gpios[] __initconst = {
156 .gpio = TVP5150_RSTN,
157 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
158 .label = "tvp5150_rstn",
161 .gpio = TVP5150_PWDN,
162 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
163 .label = "tvp5150_pwdn",
166 .gpio = OTG_PHY_CS_GPIO,
167 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
168 .label = "usbotg_cs",
172 .flags = GPIOF_DIR_OUT,
173 .label = "amp-gain-0",
177 .flags = GPIOF_DIR_OUT,
178 .label = "amp-gain-1",
181 .gpio = AMP_MUTE_SDL,
182 .flags = GPIOF_DIR_OUT,
183 .label = "amp-mute-sdl",
186 .gpio = AMP_MUTE_SDR,
187 .flags = GPIOF_DIR_OUT,
188 .label = "amp-mute-sdr",
193 static struct mx2_camera_platform_data visstrim_camera = {
194 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
195 MX2_CAMERA_PCLK_SAMPLE_RISING,
199 static phys_addr_t mx2_camera_base __initdata;
200 #define MX2_CAMERA_BUF_SIZE SZ_8M
202 static void __init visstrim_analog_camera_init(void)
204 struct platform_device *pdev;
206 gpio_set_value(TVP5150_PWDN, 1);
208 gpio_set_value(TVP5150_RSTN, 0);
210 gpio_set_value(TVP5150_RSTN, 1);
213 pdev = imx27_add_mx2_camera(&visstrim_camera);
217 dma_declare_coherent_memory(&pdev->dev, mx2_camera_base,
218 mx2_camera_base, MX2_CAMERA_BUF_SIZE);
221 static void __init visstrim_reserve(void)
223 /* reserve 4 MiB for mx2-camera */
224 mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
225 MX2_CAMERA_BUF_SIZE);
228 /* GPIOs used as events for applications */
229 static struct gpio_keys_button visstrim_gpio_keys[] = {
233 .gpio = (GPIO_PORTC + 15),
234 .desc = "Default config",
241 .gpio = (GPIO_PORTF + 14),
249 .gpio = (GPIO_PORTF + 13),
256 static const struct gpio_keys_platform_data
257 visstrim_gpio_keys_platform_data __initconst = {
258 .buttons = visstrim_gpio_keys,
259 .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
263 static const struct gpio_led visstrim_m10_leds[] __initconst = {
265 .name = "visstrim:ld0",
266 .default_trigger = "nand-disk",
267 .gpio = (GPIO_PORTC + 29),
270 .name = "visstrim:ld1",
271 .default_trigger = "nand-disk",
272 .gpio = (GPIO_PORTC + 24),
275 .name = "visstrim:ld2",
276 .default_trigger = "nand-disk",
277 .gpio = (GPIO_PORTC + 28),
280 .name = "visstrim:ld3",
281 .default_trigger = "nand-disk",
282 .gpio = (GPIO_PORTC + 25),
286 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
287 .leds = visstrim_m10_leds,
288 .num_leds = ARRAY_SIZE(visstrim_m10_leds),
291 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
292 static int visstrim_m10_sdhc1_init(struct device *dev,
293 irq_handler_t detect_irq, void *data)
297 ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
298 IRQF_TRIGGER_FALLING, "mmc-detect", data);
302 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
304 free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
307 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
308 .init = visstrim_m10_sdhc1_init,
309 .exit = visstrim_m10_sdhc1_exit,
312 /* Visstrim_SM10 NOR flash */
313 static struct physmap_flash_data visstrim_m10_flash_data = {
317 static struct resource visstrim_m10_flash_resource = {
319 .end = 0xc0000000 + SZ_64M - 1,
320 .flags = IORESOURCE_MEM,
323 static struct platform_device visstrim_m10_nor_mtd_device = {
324 .name = "physmap-flash",
327 .platform_data = &visstrim_m10_flash_data,
330 .resource = &visstrim_m10_flash_resource,
333 static struct platform_device *platform_devices[] __initdata = {
334 &visstrim_m10_nor_mtd_device,
337 /* Visstrim_M10 uses UART0 as console */
338 static const struct imxuart_platform_data uart_pdata __initconst = {
339 .flags = IMXUART_HAVE_RTSCTS,
343 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
347 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
348 .gpio_base = 240, /* After MX27 internal GPIOs */
352 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
353 .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
354 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
355 AIC32X4_PWR_AIC32X4_LDO_ENABLE |
356 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
357 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
358 .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
359 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
363 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
365 I2C_BOARD_INFO("pca9555", 0x20),
366 .platform_data = &visstrim_m10_pca9555_pdata,
369 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
370 .platform_data = &visstrim_m10_aic32x4_pdata,
373 I2C_BOARD_INFO("m41t00", 0x68),
378 static int otg_phy_init(struct platform_device *pdev)
380 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
383 static const struct mxc_usbh_platform_data
384 visstrim_m10_usbotg_pdata __initconst = {
385 .init = otg_phy_init,
386 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
390 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
391 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
396 static void __init visstrim_coda_init(void)
398 struct platform_device *pdev;
400 pdev = imx27_add_coda();
401 dma_declare_coherent_memory(&pdev->dev,
402 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
403 mx2_camera_base + MX2_CAMERA_BUF_SIZE,
404 MX2_CAMERA_BUF_SIZE);
407 /* DMA deinterlace */
408 static struct platform_device visstrim_deinterlace = {
409 .name = "m2m-deinterlace",
413 static void __init visstrim_deinterlace_init(void)
416 struct platform_device *pdev = &visstrim_deinterlace;
418 ret = platform_device_register(pdev);
420 dma_declare_coherent_memory(&pdev->dev,
421 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
422 mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
423 MX2_CAMERA_BUF_SIZE);
426 /* Emma-PrP for format conversion */
427 static void __init visstrim_emmaprp_init(void)
429 struct platform_device *pdev;
432 pdev = imx27_add_mx2_emmaprp();
437 * Use the same memory area as the analog camera since both
438 * devices are, by nature, exclusive.
440 ret = dma_declare_coherent_memory(&pdev->dev,
441 mx2_camera_base, mx2_camera_base,
442 MX2_CAMERA_BUF_SIZE);
444 pr_err("Failed to declare memory for emmaprp\n");
448 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
449 .amp_gain0_gpio = AMP_GAIN_0,
450 .amp_gain1_gpio = AMP_GAIN_1,
451 .amp_mutel_gpio = AMP_MUTE_SDL,
452 .amp_muter_gpio = AMP_MUTE_SDR,
455 static void __init visstrim_m10_revision(void)
461 ret = gpio_request_array(visstrim_m10_version_gpios,
462 ARRAY_SIZE(visstrim_m10_version_gpios));
464 pr_err("Failed to request version gpios");
468 /* Get expansion board version (negative logic) */
469 exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
470 exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
471 exp_version |= !gpio_get_value(EXPBOARD_BIT0);
473 /* Get mother board version (negative logic) */
474 mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
475 mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
476 mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
478 system_rev = 0x27000;
479 system_rev |= (mo_version << MOTHERBOARD_SHIFT);
480 system_rev |= (exp_version << EXPBOARD_SHIFT);
483 static void __init visstrim_m10_board_init(void)
488 visstrim_m10_revision();
490 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
491 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
493 pr_err("Failed to setup pins (%d)\n", ret);
495 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
496 imx27_add_imx_uart0(&uart_pdata);
498 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
499 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
500 i2c_register_board_info(0, visstrim_m10_i2c_devices,
501 ARRAY_SIZE(visstrim_m10_i2c_devices));
503 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
504 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
507 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
510 static void __init visstrim_m10_late_init(void)
514 ret = gpio_request_array(visstrim_m10_gpios,
515 ARRAY_SIZE(visstrim_m10_gpios));
517 pr_err("Failed to request gpios (%d)\n", ret);
519 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
521 imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
522 sizeof(snd_mx27vis_pdata));
524 gpio_led_register_device(0, &visstrim_m10_led_data);
526 /* Use mother board version to decide what video devices we shall use */
527 mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
528 if (mo_version & 0x1) {
529 visstrim_emmaprp_init();
532 * Despite not being used, tvp5150 must be
533 * powered on to avoid I2C problems. To minimize
534 * power consupmtion keep reset enabled.
536 gpio_set_value(TVP5150_PWDN, 1);
538 gpio_set_value(TVP5150_RSTN, 0);
540 visstrim_deinterlace_init();
541 visstrim_analog_camera_init();
544 visstrim_coda_init();
547 static void __init visstrim_m10_timer_init(void)
549 mx27_clocks_init((unsigned long)25000000);
552 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
553 .atag_offset = 0x100,
554 .reserve = visstrim_reserve,
555 .map_io = mx27_map_io,
556 .init_early = imx27_init_early,
557 .init_irq = mx27_init_irq,
558 .init_time = visstrim_m10_timer_init,
559 .init_machine = visstrim_m10_board_init,
560 .init_late = visstrim_m10_late_init,
561 .restart = mxc_restart,