/* * Copyright (C) 2008 Sascha Hauer, Pengutronix * * 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "devices-imx31.h" #include "devices.h" #include "pcm037.h" static enum pcm037_board_variant pcm037_instance = PCM037_PCM970; static int __init pcm037_variant_setup(char *str) { if (!strcmp("eet", str)) pcm037_instance = PCM037_EET; else if (strcmp("pcm970", str)) pr_warning("Unknown pcm037 baseboard variant %s\n", str); return 1; } /* Supported values: "pcm970" (default) and "eet" */ __setup("pcm037_variant=", pcm037_variant_setup); enum pcm037_board_variant pcm037_variant(void) { return pcm037_instance; } /* UART1 with RTS/CTS handshake signals */ static unsigned int pcm037_uart1_handshake_pins[] = { MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, }; /* UART1 without RTS/CTS handshake signals */ static unsigned int pcm037_uart1_pins[] = { MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, }; static unsigned int pcm037_pins[] = { /* I2C */ MX31_PIN_CSPI2_MOSI__SCL, MX31_PIN_CSPI2_MISO__SDA, MX31_PIN_CSPI2_SS2__I2C3_SDA, MX31_PIN_CSPI2_SCLK__I2C3_SCL, /* SDHC1 */ MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */ IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */ /* SPI1 */ MX31_PIN_CSPI1_MOSI__MOSI, MX31_PIN_CSPI1_MISO__MISO, MX31_PIN_CSPI1_SCLK__SCLK, MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, MX31_PIN_CSPI1_SS0__SS0, MX31_PIN_CSPI1_SS1__SS1, MX31_PIN_CSPI1_SS2__SS2, /* UART2 */ MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2, MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2, /* UART3 */ MX31_PIN_CSPI3_MOSI__RXD3, MX31_PIN_CSPI3_MISO__TXD3, MX31_PIN_CSPI3_SCLK__RTS3, MX31_PIN_CSPI3_SPI_RDY__CTS3, /* LAN9217 irq pin */ IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO), /* Onewire */ MX31_PIN_BATT_LINE__OWIRE, /* Framebuffer */ MX31_PIN_LD0__LD0, MX31_PIN_LD1__LD1, MX31_PIN_LD2__LD2, MX31_PIN_LD3__LD3, MX31_PIN_LD4__LD4, MX31_PIN_LD5__LD5, MX31_PIN_LD6__LD6, MX31_PIN_LD7__LD7, MX31_PIN_LD8__LD8, MX31_PIN_LD9__LD9, MX31_PIN_LD10__LD10, MX31_PIN_LD11__LD11, MX31_PIN_LD12__LD12, MX31_PIN_LD13__LD13, MX31_PIN_LD14__LD14, MX31_PIN_LD15__LD15, MX31_PIN_LD16__LD16, MX31_PIN_LD17__LD17, MX31_PIN_VSYNC3__VSYNC3, MX31_PIN_HSYNC__HSYNC, MX31_PIN_FPSHIFT__FPSHIFT, MX31_PIN_DRDY0__DRDY0, MX31_PIN_D3_REV__D3_REV, MX31_PIN_CONTRAST__CONTRAST, MX31_PIN_D3_SPL__D3_SPL, MX31_PIN_D3_CLS__D3_CLS, MX31_PIN_LCS0__GPI03_23, /* CSI */ IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO), MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7, MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9, MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11, MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13, MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15, MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK, MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC, /* GPIO */ IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO), /* OTG */ MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, /* USB host 2 */ IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC), }; static struct physmap_flash_data pcm037_flash_data = { .width = 2, }; static struct resource pcm037_flash_resource = { .start = 0xa0000000, .end = 0xa1ffffff, .flags = IORESOURCE_MEM, }; static struct platform_device pcm037_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &pcm037_flash_data, }, .resource = &pcm037_flash_resource, .num_resources = 1, }; static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static struct resource smsc911x_resources[] = { { .start = MX31_CS1_BASE_ADDR + 0x300, .end = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; static struct smsc911x_platform_config smsc911x_info = { .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY | SMSC911X_SAVE_MAC_ADDRESS, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, .phy_interface = PHY_INTERFACE_MODE_MII, }; static struct platform_device pcm037_eth = { .name = "smsc911x", .id = -1, .num_resources = ARRAY_SIZE(smsc911x_resources), .resource = smsc911x_resources, .dev = { .platform_data = &smsc911x_info, }, }; static struct platdata_mtd_ram pcm038_sram_data = { .bankwidth = 2, }; static struct resource pcm038_sram_resource = { .start = MX31_CS4_BASE_ADDR, .end = MX31_CS4_BASE_ADDR + 512 * 1024 - 1, .flags = IORESOURCE_MEM, }; static struct platform_device pcm037_sram_device = { .name = "mtd-ram", .id = 0, .dev = { .platform_data = &pcm038_sram_data, }, .num_resources = 1, .resource = &pcm038_sram_resource, }; static const struct mxc_nand_platform_data pcm037_nand_board_info __initconst = { .width = 1, .hw_ecc = 1, }; static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = { .bitrate = 100000, }; static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = { .bitrate = 20000, }; static struct at24_platform_data board_eeprom = { .byte_len = 4096, .page_size = 32, .flags = AT24_FLAG_ADDR16, }; static int pcm037_camera_power(struct device *dev, int on) { /* disable or enable the camera in X7 or X8 PCM970 connector */ gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on); return 0; } static struct i2c_board_info pcm037_i2c_camera[] = { { I2C_BOARD_INFO("mt9t031", 0x5d), }, { I2C_BOARD_INFO("mt9v022", 0x48), }, }; static struct soc_camera_link iclink_mt9v022 = { .bus_id = 0, /* Must match with the camera ID */ .board_info = &pcm037_i2c_camera[1], .i2c_adapter_id = 2, }; static struct soc_camera_link iclink_mt9t031 = { .bus_id = 0, /* Must match with the camera ID */ .power = pcm037_camera_power, .board_info = &pcm037_i2c_camera[0], .i2c_adapter_id = 2, }; static struct i2c_board_info pcm037_i2c_devices[] = { { I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ .platform_data = &board_eeprom, }, { I2C_BOARD_INFO("pcf8563", 0x51), } }; static struct platform_device pcm037_mt9t031 = { .name = "soc-camera-pdrv", .id = 0, .dev = { .platform_data = &iclink_mt9t031, }, }; static struct platform_device pcm037_mt9v022 = { .name = "soc-camera-pdrv", .id = 1, .dev = { .platform_data = &iclink_mt9v022, }, }; /* Not connected by default */ #ifdef PCM970_SDHC_RW_SWITCH static int pcm970_sdhc1_get_ro(struct device *dev) { return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6)); } #endif #define SDHC1_GPIO_WP IOMUX_TO_GPIO(MX31_PIN_SFS6) #define SDHC1_GPIO_DET IOMUX_TO_GPIO(MX31_PIN_SCK6) static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { int ret; ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect"); if (ret) return ret; gpio_direction_input(SDHC1_GPIO_DET); #ifdef PCM970_SDHC_RW_SWITCH ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp"); if (ret) goto err_gpio_free; gpio_direction_input(SDHC1_GPIO_WP); #endif ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "sdhc-detect", data); if (ret) goto err_gpio_free_2; return 0; err_gpio_free_2: #ifdef PCM970_SDHC_RW_SWITCH gpio_free(SDHC1_GPIO_WP); err_gpio_free: #endif gpio_free(SDHC1_GPIO_DET); return ret; } static void pcm970_sdhc1_exit(struct device *dev, void *data) { free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data); gpio_free(SDHC1_GPIO_DET); gpio_free(SDHC1_GPIO_WP); } static const struct imxmmc_platform_data sdhc_pdata __initconst = { #ifdef PCM970_SDHC_RW_SWITCH .get_ro = pcm970_sdhc1_get_ro, #endif .init = pcm970_sdhc1_init, .exit = pcm970_sdhc1_exit, }; struct mx3_camera_pdata camera_pdata = { .dma_dev = &mx3_ipu.dev, .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, .mclk_10khz = 2000, }; static int __init pcm037_camera_alloc_dma(const size_t buf_size) { dma_addr_t dma_handle; void *buf; int dma; if (buf_size < 2 * 1024 * 1024) return -EINVAL; buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL); if (!buf) { pr_err("%s: cannot allocate camera buffer-memory\n", __func__); return -ENOMEM; } memset(buf, 0, buf_size); dma = dma_declare_coherent_memory(&mx3_camera.dev, dma_handle, dma_handle, buf_size, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); /* The way we call dma_declare_coherent_memory only a malloc can fail */ return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM; } static struct platform_device *devices[] __initdata = { &pcm037_flash, &pcm037_sram_device, &pcm037_mt9t031, &pcm037_mt9v022, }; static struct ipu_platform_data mx3_ipu_data = { .irq_base = MXC_IPU_IRQ_START, }; static const struct fb_videomode fb_modedb[] = { { /* 240x320 @ 60 Hz Sharp */ .name = "Sharp-LQ035Q7DH06-QVGA", .refresh = 60, .xres = 240, .yres = 320, .pixclock = 185925, .left_margin = 9, .right_margin = 16, .upper_margin = 7, .lower_margin = 9, .hsync_len = 1, .vsync_len = 1, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, { /* 240x320 @ 60 Hz */ .name = "TX090", .refresh = 60, .xres = 240, .yres = 320, .pixclock = 38255, .left_margin = 144, .right_margin = 0, .upper_margin = 7, .lower_margin = 40, .hsync_len = 96, .vsync_len = 1, .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, { /* 240x320 @ 60 Hz */ .name = "CMEL-OLED", .refresh = 60, .xres = 240, .yres = 320, .pixclock = 185925, .left_margin = 9, .right_margin = 16, .upper_margin = 7, .lower_margin = 9, .hsync_len = 1, .vsync_len = 1, .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, }; static struct mx3fb_platform_data mx3fb_pdata = { .dma_dev = &mx3_ipu.dev, .name = "Sharp-LQ035Q7DH06-QVGA", .mode = fb_modedb, .num_modes = ARRAY_SIZE(fb_modedb), }; static struct resource pcm970_sja1000_resources[] = { { .start = MX31_CS5_BASE_ADDR, .end = MX31_CS5_BASE_ADDR + 0x100 - 1, .flags = IORESOURCE_MEM, }, { .start = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)), .end = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, }, }; struct sja1000_platform_data pcm970_sja1000_platform_data = { .osc_freq = 16000000, .ocr = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL, .cdr = CDR_CBP, }; static struct platform_device pcm970_sja1000 = { .name = "sja1000_platform", .dev = { .platform_data = &pcm970_sja1000_platform_data, }, .resource = pcm970_sja1000_resources, .num_resources = ARRAY_SIZE(pcm970_sja1000_resources), }; #if defined(CONFIG_USB_ULPI) static int pcm037_otg_init(struct platform_device *pdev) { return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); } static struct mxc_usbh_platform_data otg_pdata __initdata = { .init = pcm037_otg_init, .portsc = MXC_EHCI_MODE_ULPI, }; static int pcm037_usbh2_init(struct platform_device *pdev) { return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); } static struct mxc_usbh_platform_data usbh2_pdata __initdata = { .init = pcm037_usbh2_init, .portsc = MXC_EHCI_MODE_ULPI, }; #endif static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_ULPI, }; static int otg_mode_host; static int __init pcm037_otg_mode(char *options) { if (!strcmp(options, "host")) otg_mode_host = 1; else if (!strcmp(options, "device")) otg_mode_host = 0; else pr_info("otg_mode neither \"host\" nor \"device\". " "Defaulting to device\n"); return 0; } __setup("otg_mode=", pcm037_otg_mode); /* * Board specific initialization. */ static void __init pcm037_init(void) { int ret; mxc_iomux_set_gpr(MUX_PGP_UH2, 1); mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins), "pcm037"); #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \ | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */ mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */ mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */ mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */ mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */ mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */ mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */ if (pcm037_variant() == PCM037_EET) mxc_iomux_setup_multiple_pins(pcm037_uart1_pins, ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1"); else mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins, ARRAY_SIZE(pcm037_uart1_handshake_pins), "pcm037_uart1"); platform_add_devices(devices, ARRAY_SIZE(devices)); imx31_add_imx2_wdt(NULL); imx31_add_imx_uart0(&uart_pdata); /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */ imx31_add_imx_uart1(&uart_pdata); imx31_add_imx_uart2(&uart_pdata); imx31_add_mxc_w1(NULL); /* LAN9217 IRQ pin */ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq"); if (ret) pr_warning("could not get LAN irq gpio\n"); else { gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)); platform_device_register(&pcm037_eth); } /* I2C adapters and devices */ i2c_register_board_info(1, pcm037_i2c_devices, ARRAY_SIZE(pcm037_i2c_devices)); imx31_add_imx_i2c1(&pcm037_i2c1_data); imx31_add_imx_i2c2(&pcm037_i2c2_data); imx31_add_mxc_nand(&pcm037_nand_board_info); imx31_add_mxc_mmc(0, &sdhc_pdata); mxc_register_device(&mx3_ipu, &mx3_ipu_data); mxc_register_device(&mx3_fb, &mx3fb_pdata); /* CSI */ /* Camera power: default - off */ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power"); if (!ret) gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1); else iclink_mt9t031.power = NULL; if (!pcm037_camera_alloc_dma(4 * 1024 * 1024)) mxc_register_device(&mx3_camera, &camera_pdata); platform_device_register(&pcm970_sja1000); #if defined(CONFIG_USB_ULPI) if (otg_mode_host) { otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); imx31_add_mxc_ehci_otg(&otg_pdata); } usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); imx31_add_mxc_ehci_hs(2, &usbh2_pdata); #endif if (!otg_mode_host) imx31_add_fsl_usb2_udc(&otg_device_pdata); } static void __init pcm037_timer_init(void) { mx31_clocks_init(26000000); } struct sys_timer pcm037_timer = { .init = pcm037_timer_init, }; MACHINE_START(PCM037, "Phytec Phycore pcm037") /* Maintainer: Pengutronix */ .boot_params = MX3x_PHYS_OFFSET + 0x100, .map_io = mx31_map_io, .init_early = imx31_init_early, .init_irq = mx31_init_irq, .timer = &pcm037_timer, .init_machine = pcm037_init, MACHINE_END