/* * mach-imx27_visstrim_m10.c * * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com> * * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/input.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/leds.h> #include <linux/platform_data/asoc-mx27vis.h> #include <media/soc_camera.h> #include <sound/tlv320aic32x4.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/system_info.h> #include <asm/memblock.h> #include "common.h" #include "devices-imx27.h" #include "hardware.h" #include "iomux-mx27.h" #define TVP5150_RSTN (GPIO_PORTC + 18) #define TVP5150_PWDN (GPIO_PORTC + 19) #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17) #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25) #define VERSION_MASK 0x7 #define MOTHERBOARD_SHIFT 4 #define EXPBOARD_SHIFT 0 #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31) #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30) #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29) #define EXPBOARD_BIT2 (GPIO_PORTD + 25) #define EXPBOARD_BIT1 (GPIO_PORTD + 27) #define EXPBOARD_BIT0 (GPIO_PORTD + 28) #define AMP_GAIN_0 (GPIO_PORTF + 9) #define AMP_GAIN_1 (GPIO_PORTF + 8) #define AMP_MUTE_SDL (GPIO_PORTE + 5) #define AMP_MUTE_SDR (GPIO_PORTF + 7) static const int visstrim_m10_pins[] __initconst = { /* UART1 (console) */ PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, /* FEC */ PD0_AIN_FEC_TXD0, PD1_AIN_FEC_TXD1, PD2_AIN_FEC_TXD2, PD3_AIN_FEC_TXD3, PD4_AOUT_FEC_RX_ER, PD5_AOUT_FEC_RXD1, PD6_AOUT_FEC_RXD2, PD7_AOUT_FEC_RXD3, PD8_AF_FEC_MDIO, PD9_AIN_FEC_MDC, PD10_AOUT_FEC_CRS, PD11_AOUT_FEC_TX_CLK, PD12_AOUT_FEC_RXD0, PD13_AOUT_FEC_RX_DV, PD14_AOUT_FEC_RX_CLK, PD15_AOUT_FEC_COL, PD16_AIN_FEC_TX_ER, PF23_AIN_FEC_TX_EN, /* SSI1 */ PC20_PF_SSI1_FS, PC21_PF_SSI1_RXD, PC22_PF_SSI1_TXD, PC23_PF_SSI1_CLK, /* SDHC1 */ PE18_PF_SD1_D0, PE19_PF_SD1_D1, PE20_PF_SD1_D2, PE21_PF_SD1_D3, PE22_PF_SD1_CMD, PE23_PF_SD1_CLK, /* Both I2Cs */ PD17_PF_I2C_DATA, PD18_PF_I2C_CLK, PC5_PF_I2C2_SDA, PC6_PF_I2C2_SCL, /* USB OTG */ OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, PC9_PF_USBOTG_DATA0, PC11_PF_USBOTG_DATA1, PC10_PF_USBOTG_DATA2, PC13_PF_USBOTG_DATA3, PC12_PF_USBOTG_DATA4, PC7_PF_USBOTG_DATA5, PC8_PF_USBOTG_DATA6, PE25_PF_USBOTG_DATA7, PE24_PF_USBOTG_CLK, PE2_PF_USBOTG_DIR, PE0_PF_USBOTG_NXT, PE1_PF_USBOTG_STP, PB23_PF_USB_PWR, PB24_PF_USB_OC, /* CSI */ TVP5150_RSTN | GPIO_GPIO | GPIO_OUT, TVP5150_PWDN | GPIO_GPIO | GPIO_OUT, PB10_PF_CSI_D0, PB11_PF_CSI_D1, PB12_PF_CSI_D2, PB13_PF_CSI_D3, PB14_PF_CSI_D4, PB15_PF_CSI_MCLK, PB16_PF_CSI_PIXCLK, PB17_PF_CSI_D5, PB18_PF_CSI_D6, PB19_PF_CSI_D7, PB20_PF_CSI_VSYNC, PB21_PF_CSI_HSYNC, /* mother board version */ MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, /* expansion board version */ EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN, /* Audio AMP control */ AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT, AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT, AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT, AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT, }; static struct gpio visstrim_m10_version_gpios[] = { { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" }, { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" }, { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" }, { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" }, { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" }, { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" }, }; static const struct gpio visstrim_m10_gpios[] __initconst = { { .gpio = TVP5150_RSTN, .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH, .label = "tvp5150_rstn", }, { .gpio = TVP5150_PWDN, .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW, .label = "tvp5150_pwdn", }, { .gpio = OTG_PHY_CS_GPIO, .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW, .label = "usbotg_cs", }, { .gpio = AMP_GAIN_0, .flags = GPIOF_DIR_OUT, .label = "amp-gain-0", }, { .gpio = AMP_GAIN_1, .flags = GPIOF_DIR_OUT, .label = "amp-gain-1", }, { .gpio = AMP_MUTE_SDL, .flags = GPIOF_DIR_OUT, .label = "amp-mute-sdl", }, { .gpio = AMP_MUTE_SDR, .flags = GPIOF_DIR_OUT, .label = "amp-mute-sdr", }, }; /* Camera */ static int visstrim_camera_power(struct device *dev, int on) { gpio_set_value(TVP5150_PWDN, on); return 0; }; static int visstrim_camera_reset(struct device *dev) { gpio_set_value(TVP5150_RSTN, 0); ndelay(500); gpio_set_value(TVP5150_RSTN, 1); return 0; }; static struct i2c_board_info visstrim_i2c_camera = { I2C_BOARD_INFO("tvp5150", 0x5d), }; static struct soc_camera_link iclink_tvp5150 = { .bus_id = 0, .board_info = &visstrim_i2c_camera, .i2c_adapter_id = 0, .power = visstrim_camera_power, .reset = visstrim_camera_reset, }; static struct mx2_camera_platform_data visstrim_camera = { .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE | MX2_CAMERA_PCLK_SAMPLE_RISING, .clk = 100000, }; static phys_addr_t mx2_camera_base __initdata; #define MX2_CAMERA_BUF_SIZE SZ_8M static void __init visstrim_analog_camera_init(void) { struct platform_device *pdev; int dma; gpio_set_value(TVP5150_PWDN, 1); ndelay(1); gpio_set_value(TVP5150_RSTN, 0); ndelay(500); gpio_set_value(TVP5150_RSTN, 1); ndelay(200000); pdev = imx27_add_mx2_camera(&visstrim_camera); if (IS_ERR(pdev)) return; dma = dma_declare_coherent_memory(&pdev->dev, mx2_camera_base, mx2_camera_base, MX2_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) return; } static void __init visstrim_reserve(void) { /* reserve 4 MiB for mx2-camera */ mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE, MX2_CAMERA_BUF_SIZE); } /* GPIOs used as events for applications */ static struct gpio_keys_button visstrim_gpio_keys[] = { { .type = EV_KEY, .code = KEY_RESTART, .gpio = (GPIO_PORTC + 15), .desc = "Default config", .active_low = 0, .wakeup = 1, }, { .type = EV_KEY, .code = KEY_RECORD, .gpio = (GPIO_PORTF + 14), .desc = "Record", .active_low = 0, .wakeup = 1, }, { .type = EV_KEY, .code = KEY_STOP, .gpio = (GPIO_PORTF + 13), .desc = "Stop", .active_low = 0, .wakeup = 1, } }; static const struct gpio_keys_platform_data visstrim_gpio_keys_platform_data __initconst = { .buttons = visstrim_gpio_keys, .nbuttons = ARRAY_SIZE(visstrim_gpio_keys), }; /* led */ static const struct gpio_led visstrim_m10_leds[] __initconst = { { .name = "visstrim:ld0", .default_trigger = "nand-disk", .gpio = (GPIO_PORTC + 29), }, { .name = "visstrim:ld1", .default_trigger = "nand-disk", .gpio = (GPIO_PORTC + 24), }, { .name = "visstrim:ld2", .default_trigger = "nand-disk", .gpio = (GPIO_PORTC + 28), }, { .name = "visstrim:ld3", .default_trigger = "nand-disk", .gpio = (GPIO_PORTC + 25), }, }; static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = { .leds = visstrim_m10_leds, .num_leds = ARRAY_SIZE(visstrim_m10_leds), }; /* Visstrim_SM10 has a microSD slot connected to sdhc1 */ static int visstrim_m10_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { int ret; ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq, IRQF_TRIGGER_FALLING, "mmc-detect", data); return ret; } static void visstrim_m10_sdhc1_exit(struct device *dev, void *data) { free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data); } static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = { .init = visstrim_m10_sdhc1_init, .exit = visstrim_m10_sdhc1_exit, }; /* Visstrim_SM10 NOR flash */ static struct physmap_flash_data visstrim_m10_flash_data = { .width = 2, }; static struct resource visstrim_m10_flash_resource = { .start = 0xc0000000, .end = 0xc0000000 + SZ_64M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device visstrim_m10_nor_mtd_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &visstrim_m10_flash_data, }, .num_resources = 1, .resource = &visstrim_m10_flash_resource, }; static struct platform_device *platform_devices[] __initdata = { &visstrim_m10_nor_mtd_device, }; /* Visstrim_M10 uses UART0 as console */ static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; /* I2C */ static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = { .bitrate = 100000, }; static struct pca953x_platform_data visstrim_m10_pca9555_pdata = { .gpio_base = 240, /* After MX27 internal GPIOs */ .invert = 0, }; static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = { .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN | AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE | AIC32X4_PWR_AIC32X4_LDO_ENABLE | AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 | AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED, .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K | AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K, .swapdacs = false, }; static struct i2c_board_info visstrim_m10_i2c_devices[] = { { I2C_BOARD_INFO("pca9555", 0x20), .platform_data = &visstrim_m10_pca9555_pdata, }, { I2C_BOARD_INFO("tlv320aic32x4", 0x18), .platform_data = &visstrim_m10_aic32x4_pdata, }, { I2C_BOARD_INFO("m41t00", 0x68), } }; /* USB OTG */ static int otg_phy_init(struct platform_device *pdev) { return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); } static const struct mxc_usbh_platform_data visstrim_m10_usbotg_pdata __initconst = { .init = otg_phy_init, .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, }; /* SSI */ static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = { .flags = IMX_SSI_DMA | IMX_SSI_SYN, }; /* coda */ static void __init visstrim_coda_init(void) { struct platform_device *pdev; int dma; pdev = imx27_add_coda(); dma = dma_declare_coherent_memory(&pdev->dev, mx2_camera_base + MX2_CAMERA_BUF_SIZE, mx2_camera_base + MX2_CAMERA_BUF_SIZE, MX2_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) return; } /* DMA deinterlace */ static struct platform_device visstrim_deinterlace = { .name = "m2m-deinterlace", .id = 0, }; static void __init visstrim_deinterlace_init(void) { int ret = -ENOMEM; struct platform_device *pdev = &visstrim_deinterlace; int dma; ret = platform_device_register(pdev); dma = dma_declare_coherent_memory(&pdev->dev, mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE, mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE, MX2_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) return; } /* Emma-PrP for format conversion */ static void __init visstrim_emmaprp_init(void) { struct platform_device *pdev; int dma; pdev = imx27_add_mx2_emmaprp(); if (IS_ERR(pdev)) return; /* * Use the same memory area as the analog camera since both * devices are, by nature, exclusive. */ dma = dma_declare_coherent_memory(&pdev->dev, mx2_camera_base, mx2_camera_base, MX2_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) pr_err("Failed to declare memory for emmaprp\n"); } /* Audio */ static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = { .amp_gain0_gpio = AMP_GAIN_0, .amp_gain1_gpio = AMP_GAIN_1, .amp_mutel_gpio = AMP_MUTE_SDL, .amp_muter_gpio = AMP_MUTE_SDR, }; static void __init visstrim_m10_revision(void) { int exp_version = 0; int mo_version = 0; int ret; ret = gpio_request_array(visstrim_m10_version_gpios, ARRAY_SIZE(visstrim_m10_version_gpios)); if (ret) { pr_err("Failed to request version gpios"); return; } /* Get expansion board version (negative logic) */ exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2; exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1; exp_version |= !gpio_get_value(EXPBOARD_BIT0); /* Get mother board version (negative logic) */ mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2; mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1; mo_version |= !gpio_get_value(MOTHERBOARD_BIT0); system_rev = 0x27000; system_rev |= (mo_version << MOTHERBOARD_SHIFT); system_rev |= (exp_version << EXPBOARD_SHIFT); } static void __init visstrim_m10_board_init(void) { int ret; int mo_version; imx27_soc_init(); visstrim_m10_revision(); ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins, ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10"); if (ret) pr_err("Failed to setup pins (%d)\n", ret); ret = gpio_request_array(visstrim_m10_gpios, ARRAY_SIZE(visstrim_m10_gpios)); if (ret) pr_err("Failed to request gpios (%d)\n", ret); imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata); imx27_add_imx_uart0(&uart_pdata); imx27_add_imx_i2c(0, &visstrim_m10_i2c_data); imx27_add_imx_i2c(1, &visstrim_m10_i2c_data); i2c_register_board_info(0, visstrim_m10_i2c_devices, ARRAY_SIZE(visstrim_m10_i2c_devices)); imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata); imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata); imx27_add_fec(NULL); imx_add_gpio_keys(&visstrim_gpio_keys_platform_data); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata, sizeof(snd_mx27vis_pdata)); platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0, &iclink_tvp5150, sizeof(iclink_tvp5150)); gpio_led_register_device(0, &visstrim_m10_led_data); /* Use mother board version to decide what video devices we shall use */ mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK; if (mo_version & 0x1) { visstrim_emmaprp_init(); /* * Despite not being used, tvp5150 must be * powered on to avoid I2C problems. To minimize * power consupmtion keep reset enabled. */ gpio_set_value(TVP5150_PWDN, 1); ndelay(1); gpio_set_value(TVP5150_RSTN, 0); } else { visstrim_deinterlace_init(); visstrim_analog_camera_init(); } visstrim_coda_init(); } static void __init visstrim_m10_timer_init(void) { mx27_clocks_init((unsigned long)25000000); } MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10") .atag_offset = 0x100, .reserve = visstrim_reserve, .map_io = mx27_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, .init_time = visstrim_m10_timer_init, .init_machine = visstrim_m10_board_init, .restart = mxc_restart, MACHINE_END