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Viewing changes to arch/arm/mach-omap2/board-ldp.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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arch/arm/mach-omap2/board-ldp.c
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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#include <linux/regulator/machine.h>
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#include <linux/i2c/twl.h>
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#include <linux/io.h>
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#include <asm/delay.h>
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#include <plat/usb.h>
 
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#include <plat/gpmc-smsc911x.h>
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#include "board-flash.h"
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#include "mux.h"
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#include "hsmmc.h"
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#include "control.h"
 
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#include "common-board-devices.h"
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#define LDP_SMSC911X_CS         1
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#define LDP_SMSC911X_GPIO       152
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#define DEBUG_BASE              0x08000000
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#define LDP_ETHR_START          DEBUG_BASE
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static struct resource ldp_smsc911x_resources[] = {
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        [0] = {
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                .start  = LDP_ETHR_START,
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                .end    = LDP_ETHR_START + SZ_4K,
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                .flags  = IORESOURCE_MEM,
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        },
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        [1] = {
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                .start  = 0,
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                .end    = 0,
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                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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        },
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};
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static struct smsc911x_platform_config ldp_smsc911x_config = {
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        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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        .flags          = SMSC911X_USE_32BIT,
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        .phy_interface  = PHY_INTERFACE_MODE_MII,
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};
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static struct platform_device ldp_smsc911x_device = {
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        .name           = "smsc911x",
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        .id             = -1,
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        .num_resources  = ARRAY_SIZE(ldp_smsc911x_resources),
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        .resource       = ldp_smsc911x_resources,
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        .dev            = {
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                .platform_data = &ldp_smsc911x_config,
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        },
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};
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static uint32_t board_keymap[] = {
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        KEY(0, 0, KEY_1),
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        KEY(1, 0, KEY_2),
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        },
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};
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static int ts_gpio;
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/**
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 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
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 *
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 * @return - void. If request gpio fails then Flag KERN_ERR.
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 */
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static void ads7846_dev_init(void)
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{
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        if (gpio_request(ts_gpio, "ads7846 irq") < 0) {
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                printk(KERN_ERR "can't get ads746 pen down GPIO\n");
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                return;
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        }
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        gpio_direction_input(ts_gpio);
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        gpio_set_debounce(ts_gpio, 310);
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}
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static int ads7846_get_pendown_state(void)
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{
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        return !gpio_get_value(ts_gpio);
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}
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static struct ads7846_platform_data tsc2046_config __initdata = {
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        .get_pendown_state      = ads7846_get_pendown_state,
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        .keep_vref_on           = 1,
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};
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static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
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        .turbo_mode     = 0,
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        .single_channel = 1,    /* 0: slave, 1: master */
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};
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233
 
static struct spi_board_info ldp_spi_board_info[] __initdata = {
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        [0] = {
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                /*
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                 * TSC2046 operates at a max freqency of 2MHz, so
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                 * operate slightly below at 1.5MHz
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                 */
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                .modalias               = "ads7846",
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                .bus_num                = 1,
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                .chip_select            = 0,
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                .max_speed_hz           = 1500000,
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                .controller_data        = &tsc2046_mcspi_config,
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                .irq                    = 0,
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                .platform_data          = &tsc2046_config,
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        },
 
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static struct omap_smsc911x_platform_data smsc911x_cfg = {
 
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        .cs             = LDP_SMSC911X_CS,
 
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        .gpio_irq       = LDP_SMSC911X_GPIO,
 
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        .gpio_reset     = -EINVAL,
 
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        .flags          = SMSC911X_USE_32BIT,
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};
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static inline void __init ldp_init_smsc911x(void)
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{
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        int eth_cs;
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        unsigned long cs_mem_base;
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        int eth_gpio = 0;
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        eth_cs = LDP_SMSC911X_CS;
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257
 
        if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
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                printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n");
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                return;
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        }
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        ldp_smsc911x_resources[0].start = cs_mem_base + 0x0;
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        ldp_smsc911x_resources[0].end   = cs_mem_base + 0xff;
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        udelay(100);
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        eth_gpio = LDP_SMSC911X_GPIO;
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        ldp_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
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        if (gpio_request(eth_gpio, "smsc911x irq") < 0) {
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                printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
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                                eth_gpio);
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                return;
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        }
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        gpio_direction_input(eth_gpio);
 
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        gpmc_smsc911x_init(&smsc911x_cfg);
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}
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static struct platform_device ldp_lcd_device = {
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        omap2_init_common_devices(NULL, NULL);
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}
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static struct twl4030_usb_data ldp_usb_data = {
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        .usb_mode       = T2_USB_MODE_ULPI,
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};
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static struct twl4030_gpio_platform_data ldp_gpio_data = {
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        .gpio_base      = OMAP_MAX_GPIO_LINES,
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        .irq_base       = TWL4030_GPIO_IRQ_BASE,
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        .irq_end        = TWL4030_GPIO_IRQ_END,
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};
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static struct twl4030_madc_platform_data ldp_madc_data = {
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        .irq_line       = 1,
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};
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static struct regulator_consumer_supply ldp_vmmc1_supply = {
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        .supply                 = "vmmc",
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};
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};
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static struct twl4030_platform_data ldp_twldata = {
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        .irq_base       = TWL4030_IRQ_BASE,
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        .irq_end        = TWL4030_IRQ_END,
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        /* platform_data for children goes here */
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        .madc           = &ldp_madc_data,
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        .usb            = &ldp_usb_data,
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        .vmmc1          = &ldp_vmmc1,
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        .vaux1          = &ldp_vaux1,
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        .gpio           = &ldp_gpio_data,
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        .keypad         = &ldp_kp_twl4030_data,
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};
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static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
364
 
        {
365
 
                I2C_BOARD_INFO("twl4030", 0x48),
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                .flags = I2C_CLIENT_WAKE,
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                .irq = INT_34XX_SYS_NIRQ,
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                .platform_data = &ldp_twldata,
369
 
        },
370
 
};
371
 
 
372
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static int __init omap_i2c_init(void)
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{
374
 
        omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
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                        ARRAY_SIZE(ldp_i2c_boardinfo));
 
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        omap3_pmic_get_config(&ldp_twldata,
 
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                          TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
 
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        omap3_pmic_init("twl4030", &ldp_twldata);
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        omap_register_i2c_bus(2, 400, NULL, 0);
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        omap_register_i2c_bus(3, 400, NULL, 0);
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        return 0;
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};
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static struct platform_device *ldp_devices[] __initdata = {
392
 
        &ldp_smsc911x_device,
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        &ldp_lcd_device,
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        &ldp_gpio_keys_device,
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};
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};
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#endif
402
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403
 
static struct omap_musb_board_data musb_board_data = {
404
 
        .interface_type         = MUSB_INTERFACE_ULPI,
405
 
        .mode                   = MUSB_OTG,
406
 
        .power                  = 100,
407
 
};
408
 
 
409
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static struct mtd_partition ldp_nand_partitions[] = {
410
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        /* All the partition sizes are listed in terms of NAND block size */
411
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        {
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        ldp_init_smsc911x();
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        omap_i2c_init();
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        platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
449
 
        ts_gpio = 54;
450
 
        ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
451
 
        spi_register_board_info(ldp_spi_board_info,
452
 
                                ARRAY_SIZE(ldp_spi_board_info));
453
 
        ads7846_dev_init();
 
326
        omap_ads7846_init(1, 54, 310, NULL);
454
327
        omap_serial_init();
455
 
        usb_musb_init(&musb_board_data);
 
328
        usb_musb_init(NULL);
456
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        board_nand_init(ldp_nand_partitions,
457
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                ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
458
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