diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-overo.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-overo.c | 137 |
1 files changed, 135 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 82b3dc5..b1f23be 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -37,20 +37,149 @@ #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <mach/board-overo.h> #include <mach/board.h> #include <mach/common.h> #include <mach/gpio.h> #include <mach/gpmc.h> #include <mach/hardware.h> #include <mach/nand.h> +#include <mach/usb.h> #include "mmc-twl4030.h" +#define OVERO_GPIO_BT_XGATE 15 +#define OVERO_GPIO_W2W_NRESET 16 +#define OVERO_GPIO_BT_NRESET 164 +#define OVERO_GPIO_USBH_CPEN 168 +#define OVERO_GPIO_USBH_NRESET 183 + #define NAND_BLOCK_SIZE SZ_128K #define GPMC_CS0_BASE 0x60 #define GPMC_CS_SIZE 0x30 +#define OVERO_SMSC911X_CS 5 +#define OVERO_SMSC911X_GPIO 176 + +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ + defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) + +#include <mach/mcspi.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> + +static struct omap2_mcspi_device_config ads7846_mcspi_config = { + .turbo_mode = 0, + .single_channel = 1, /* 0: slave, 1: master */ +}; + +static int ads7846_get_pendown_state(void) +{ + return !gpio_get_value(OVERO_GPIO_PENDOWN); +} + +static struct ads7846_platform_data ads7846_config = { + .x_max = 0x0fff, + .y_max = 0x0fff, + .x_plate_ohms = 180, + .pressure_max = 255, + .debounce_max = 10, + .debounce_tol = 3, + .debounce_rep = 1, + .get_pendown_state = ads7846_get_pendown_state, + .keep_vref_on = 1, +}; + +static struct spi_board_info overo_spi_board_info[] __initdata = { + { + .modalias = "ads7846", + .bus_num = 1, + .chip_select = 0, + .max_speed_hz = 1500000, + .controller_data = &ads7846_mcspi_config, + .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), + .platform_data = &ads7846_config, + } +}; + +static void __init overo_ads7846_init(void) +{ + if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && + (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) { + gpio_export(OVERO_GPIO_PENDOWN, 0); + } else { + printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); + return; + } + + spi_register_board_info(overo_spi_board_info, + ARRAY_SIZE(overo_spi_board_info)); +} + +#else +static inline void __init overo_ads7846_init(void) { return; } +#endif + +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + +#include <linux/smsc911x.h> + +static struct resource overo_smsc911x_resources[] = { + { + .name = "smsc911x-memory", + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct smsc911x_platform_config overo_smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT , + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device overo_smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(overo_smsc911x_resources), + .resource = &overo_smsc911x_resources, + .dev = { + .platform_data = &overo_smsc911x_config, + }, +}; + +static inline void __init overo_init_smsc911x(void) +{ + unsigned long cs_mem_base; + + if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n"); + return; + } + + overo_smsc911x_resources[0].start = cs_mem_base + 0x0; + overo_smsc911x_resources[0].end = cs_mem_base + 0xff; + + if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && + (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) { + gpio_export(OVERO_SMSC911X_GPIO, 0); + } else { + printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n"); + return; + } + + overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO); + overo_smsc911x_resources[1].end = 0; + + platform_device_register(&overo_smsc911x_device); +} + +#else +static inline void __init overo_init_smsc911x(void) { return; } +#endif + static struct mtd_partition overo_nand_partitions[] = { { .name = "xloader", @@ -174,7 +303,7 @@ static int __init overo_i2c_init(void) static void __init overo_init_irq(void) { - omap2_init_common_hw(); + omap2_init_common_hw(NULL); omap_init_irq(); omap_gpio_init(); } @@ -209,6 +338,7 @@ static struct twl4030_hsmmc_info mmc[] __initdata = { .wires = 4, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, + .transceiver = true, }, {} /* Terminator */ }; @@ -222,6 +352,9 @@ static void __init overo_init(void) omap_serial_init(); twl4030_mmc_init(mmc); overo_flash_init(); + usb_musb_init(); + overo_ads7846_init(); + overo_init_smsc911x(); if ((gpio_request(OVERO_GPIO_W2W_NRESET, "OVERO_GPIO_W2W_NRESET") == 0) && |