From 20b365487b7ad0b13fbe8105132894f2275760e2 Mon Sep 17 00:00:00 2001 From: Justin Waters Date: Tue, 17 Sep 2013 12:12:58 -0400 Subject: mx27lite: Add additional driver support --- arch/arm/mach-imx/Kconfig | 9 + arch/arm/mach-imx/mach-imx27lite.c | 328 +++++++++++++++++++++++++++++++++++++ 2 files changed, 337 insertions(+) diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 9b02a3e15e48..d70d6636f6f4 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -266,6 +266,15 @@ config MACH_IMX27LITE bool "LogicPD MX27 LITEKIT platform" select SOC_IMX27 select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MXC_MMC + select IMX_HAVE_PLATFORM_MXC_EHCI + select IMX_HAVE_PLATFORM_MXC_NAND + select IMX_HAVE_PLATFORM_IMX2_WDT + select IMX_HAVE_PLATFORM_IMX_FB + select IMX_HAVE_PLATFORM_SPI_IMX + select IMX_HAVE_PLATFORM_FSL_USB2_UDC + select IMX_HAVE_PLATFORM_IMX_I2C + select MXC_ULPI if USB_ULPI help Include support for MX27 LITEKIT platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-imx/mach-imx27lite.c b/arch/arm/mach-imx/mach-imx27lite.c index 80cd9754116e..6b2b828ef6f0 100644 --- a/arch/arm/mach-imx/mach-imx27lite.c +++ b/arch/arm/mach-imx/mach-imx27lite.c @@ -16,23 +16,95 @@ #include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include + #include #include #include + #include #include #include +#include +#include #include "devices-imx27.h" #include "cpu_op-mx27.h" +#define SD1_EN_GPIO (GPIO_PORTB + 22) +#define SPI1_SS0_GPIO (GPIO_PORTD + 28) +#define DISPLAY_POWER_GPIO (GPIO_PORTB + 31) +#define BACKLIGHT_POWER_GPIO (GPIO_PORTC + 27) + static const int mx27lite_pins[] __initconst = { /* UART1 */ PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, + /* Display */ + PA5_PF_LSCLK, + PA6_PF_LD0, + PA7_PF_LD1, + PA8_PF_LD2, + PA9_PF_LD3, + PA10_PF_LD4, + PA11_PF_LD5, + PA12_PF_LD6, + PA13_PF_LD7, + PA14_PF_LD8, + PA15_PF_LD9, + PA16_PF_LD10, + PA17_PF_LD11, + PA18_PF_LD12, + PA19_PF_LD13, + PA20_PF_LD14, + PA21_PF_LD15, + PA22_PF_LD16, + PA23_PF_LD17, + PA24_PF_REV, + PA25_PF_CLS, + PA26_PF_PS, + PA27_PF_SPL_SPR, + PA28_PF_HSYNC, + PA29_PF_VSYNC, + PA30_PF_CONTRAST, + PA31_PF_OE_ACD, + /* USB OTG */ + 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, + /* USB H2 */ + PD22_AF_USBH2_DATA0, + PD24_AF_USBH2_DATA1, + PD23_AF_USBH2_DATA2, + PD20_AF_USBH2_DATA3, + PD19_AF_USBH2_DATA4, + PD26_AF_USBH2_DATA5, + PD21_AF_USBH2_DATA6, + PA2_PF_USBH2_DATA7, + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, /* FEC */ PD0_AIN_FEC_TXD0, PD1_AIN_FEC_TXD1, @@ -52,18 +124,274 @@ static const int mx27lite_pins[] __initconst = { 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, + /* SDHC2 */ + PB4_PF_SD2_D0, + PB5_PF_SD2_D1, + PB6_PF_SD2_D2, + PB7_PF_SD2_D3, + PB8_PF_SD2_CMD, + PB9_PF_SD2_CLK, + /* SPI1 */ + PD25_PF_CSPI1_RDY, + PD29_PF_CSPI1_SCLK, + PD30_PF_CSPI1_MISO, + PD31_PF_CSPI1_MOSI, + /* I2C1 */ + PD17_PF_I2C_DATA, + PD18_PF_I2C_CLK, + /* I2C2 */ + PC5_PF_I2C2_SDA, + PC6_PF_I2C2_SCL, +}; + +/* NAND Flash */ +static const struct mxc_nand_platform_data +mx27lite_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, +}; + +/* NOR flash */ +static struct mtd_partition mx27lite_nor_partitions[] = { + { + .name = "nor.bootloader", + .size = 256 * 1024, + .offset = 0x00000000, + .mask_flags = MTD_WRITEABLE + }, + { + .name = "nor.config", + .size = 64 * 1024, + .offset = MTDPART_OFS_APPEND, + .mask_flags = MTD_WRITEABLE + }, + { + .name = "nor.extra", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + .mask_flags = 0 + }, +}; + +static struct physmap_flash_data mx27lite_flash_data = { + .width = 2, + .parts = mx27lite_nor_partitions, + .nr_parts = ARRAY_SIZE(mx27lite_nor_partitions), +}; + +static struct resource mx27lite_flash_resource = { + .start = 0xc0000000, + .end = 0xc0000000 + 0x0200000 - 1, + .flags = IORESOURCE_MEM, + +}; + +static struct platform_device mx27lite_nor_mtd_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &mx27lite_flash_data, + }, + .num_resources = 1, + .resource = &mx27lite_flash_resource, +}; + +/* RTC */ +static struct resource rtc_resources[] = { + { + .start = MX27_RTC_BASE_ADDR, + .end = MX27_RTC_BASE_ADDR + 0x30, + .flags = IORESOURCE_MEM, + }, + { + .start = MX27_INT_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_rtc_device = { + .name = "mxc_rtc", + .id = 0, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, +}; + +static struct platform_device *platform_devices[] __initdata = { + &mx27lite_nor_mtd_device, + &mxc_rtc_device, +}; + +/* I2C */ +static struct imxi2c_platform_data mx27lite_i2c0_data = { + .bitrate = 100000, +}; + +static struct i2c_board_info mx27lite_i2c0_devices[] = { +}; + +static struct imxi2c_platform_data mx27lite_i2c1_data = { + .bitrate = 100000, +}; + +static struct i2c_board_info mx27lite_i2c1_devices[] = { +}; + + +/* USB OTG */ +static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +/* USB Host */ +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED, }; static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; +/* Display */ +int mx27lite_lcd_init(struct platform_device *pdev) +{ + mxc_gpio_mode(DISPLAY_POWER_GPIO | GPIO_GPIO | GPIO_OUT); + mxc_gpio_mode(BACKLIGHT_POWER_GPIO | GPIO_GPIO | GPIO_OUT); + + gpio_request(DISPLAY_POWER_GPIO, "lcd_power"); + gpio_request(BACKLIGHT_POWER_GPIO, "backlight_power"); + + return 0; +} + +void mx27lite_lcd_exit(struct platform_device *pdev) +{ + gpio_free(DISPLAY_POWER_GPIO); + gpio_free(BACKLIGHT_POWER_GPIO); +} + +void mx27lite_lcd_power(int on) +{ + gpio_set_value(DISPLAY_POWER_GPIO, on); +} + +void mx27lite_backlight_power(int on) +{ + gpio_set_value(BACKLIGHT_POWER_GPIO, on); +} + +static struct imx_fb_videomode mx27lite_modes[] = { + { + .mode = { + .name = "SHARP-LQ64D343", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 35285, + .left_margin = 134, + .right_margin = 34, + .upper_margin = 35, + .lower_margin = 0, + .hsync_len = 21, + .vsync_len = 5, + }, + .pcr = 0xFC008B80, + .bpp = 16, + }, +}; + +static struct imx_fb_platform_data mx27lite_fb_data = { + .mode = mx27lite_modes, + .num_modes = ARRAY_SIZE(mx27lite_modes), + .init = &mx27lite_lcd_init, + .exit = &mx27lite_lcd_exit, + .lcd_power = &mx27lite_lcd_power, + .backlight_power = &mx27lite_backlight_power, + .pwmr = 0x00A903FF, + .lscr1 = 0x00120300, + .dmacr = 0x00020010, +}; + +/* SD Card */ +static int mx27lite_sdhc2_init(struct device *dev, irq_handler_t detect_irq, + void *data) +{ + return request_irq(IRQ_GPIOB(22), detect_irq, IRQF_TRIGGER_FALLING | + IRQF_TRIGGER_RISING, "sdhc1-card-detect", data); +} + +static void mx27lite_sdhc2_exit(struct device *dev, void *data) +{ + free_irq(IRQ_GPIOB(22), data); +} + +static const struct imxmmc_platform_data sdhc2_pdata __initconst = { + .init = mx27lite_sdhc2_init, + .exit = mx27lite_sdhc2_exit, +}; + +/* MC13783 */ +static struct mc13783_platform_data mc13783_pdata __initdata = { + .regulators = NULL, + .num_regulators = 0, + .flags = MC13XXX_USE_TOUCHSCREEN, +}; + +/* SPI */ +static int spi1_internal_chipselect[] = {SPI1_SS0_GPIO}; + +static const struct spi_imx_master spi1_pdata __initconst = { + .chipselect = spi1_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect), +}; + +static struct spi_board_info mx27lite_spi_devs[] __initdata = { + { + .modalias = "mc13783", + .max_speed_hz = 300000, + .bus_num = 0, + .chip_select = 0, /* SS0 */ + .platform_data = &mc13783_pdata, + .irq = IRQ_GPIOB(29), + }, +}; + static void __init mx27lite_init(void) { mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins), "imx27lite"); + mxc_gpio_mode(PD28_PF_CSPI1_SS0); /* MC13783 SPI CS */ + mxc_gpio_mode(GPIO_PORTB | 29 | GPIO_GPIO | GPIO_IN); /* MC13783 IRQ */ + + imx27_add_imx_fb(&mx27lite_fb_data); imx27_add_imx_uart0(&uart_pdata); + imx27_add_mxc_ehci_hs(2, &usbh2_pdata); + imx27_add_fsl_usb2_udc(&otg_device_pdata); imx27_add_fec(NULL); + imx27_add_mxc_nand(&mx27lite_nand_board_info); + + imx27_add_mxc_mmc(1, &sdhc2_pdata); + imx27_add_imx2_wdt(NULL); + + i2c_register_board_info(0, mx27lite_i2c0_devices, + ARRAY_SIZE(mx27lite_i2c0_devices)); + imx27_add_imx_i2c(0, &mx27lite_i2c0_data); + i2c_register_board_info(1, mx27lite_i2c1_devices, + ARRAY_SIZE(mx27lite_i2c1_devices)); + imx27_add_imx_i2c(1, &mx27lite_i2c1_data); + + + imx27_add_spi_imx0(&spi1_pdata); + spi_register_board_info(mx27lite_spi_devs, + ARRAY_SIZE(mx27lite_spi_devs)); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx27_get_cpu_op; -- cgit v1.2.3