colibri-pxa270-income.c

Go to the documentation of this file.

/*
 * linux/arch/arm/mach-pxa/income.c
 *
 * Support for Income s.r.o. SH-Dmaster PXA270 SBC
 *
 * Copyright (C) 2010
 * Marek Vasut <[email protected]>
 * Pavel Revak <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/pwm_backlight.h>
#include <linux/i2c/pxa-i2c.h>

#include <asm/irq.h>
#include <asm/mach-types.h>

#include <mach/hardware.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <linux/platform_data/video-pxafb.h>

#include "devices.h"
#include "generic.h"

#define GPIO114_INCOME_ETH_IRQ  (114)
#define GPIO0_INCOME_SD_DETECT  (0)
#define GPIO0_INCOME_SD_RO      (1)
#define GPIO54_INCOME_LED_A     (54)
#define GPIO55_INCOME_LED_B     (55)
#define GPIO113_INCOME_TS_IRQ   (113)

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data income_mci_platform_data = {
    .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
    .gpio_power     = -1,
    .gpio_card_detect   = GPIO0_INCOME_SD_DETECT,
    .gpio_card_ro       = GPIO0_INCOME_SD_RO,
    .detect_delay_ms    = 200,
};

static void __init income_mmc_init(void)
{
    pxa_set_mci_info(&income_mci_platform_data);
}
#else
static inline void income_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct pxaohci_platform_data income_ohci_info = {
    .port_mode  = PMM_PERPORT_MODE,
    .flags      = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};

static void __init income_uhc_init(void)
{
    pxa_set_ohci_info(&income_ohci_info);
}
#else
static inline void income_uhc_init(void) {}
#endif

/******************************************************************************
 * LED
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led income_gpio_leds[] = {
    {
        .name           = "income:green:leda",
        .default_trigger    = "none",
        .gpio           = GPIO54_INCOME_LED_A,
        .active_low     = 1,
    },
    {
        .name           = "income:green:ledb",
        .default_trigger    = "none",
        .gpio           = GPIO55_INCOME_LED_B,
        .active_low     = 1,
    }
};

static struct gpio_led_platform_data income_gpio_led_info = {
    .leds       = income_gpio_leds,
    .num_leds   = ARRAY_SIZE(income_gpio_leds),
};

static struct platform_device income_leds = {
    .name   = "leds-gpio",
    .id = -1,
    .dev    = {
        .platform_data  = &income_gpio_led_info,
    }
};

static void __init income_led_init(void)
{
    platform_device_register(&income_leds);
}
#else
static inline void income_led_init(void) {}
#endif

/******************************************************************************
 * I2C
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct i2c_board_info __initdata income_i2c_devs[] = {
    {
        I2C_BOARD_INFO("ds1340", 0x68),
    }, {
        I2C_BOARD_INFO("lm75", 0x4f),
    },
};

static void __init income_i2c_init(void)
{
    pxa_set_i2c_info(NULL);
    pxa27x_set_i2c_power_info(NULL);
    i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
}
#else
static inline void income_i2c_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info income_lcd_modes[] = {
{
    .pixclock   = 144700,
    .xres       = 320,
    .yres       = 240,
    .bpp        = 32,
    .depth      = 18,

    .left_margin    = 10,
    .right_margin   = 10,
    .upper_margin   = 7,
    .lower_margin   = 8,

    .hsync_len  = 20,
    .vsync_len  = 2,

    .sync       = FB_SYNC_VERT_HIGH_ACT,
},
};

static struct pxafb_mach_info income_lcd_screen = {
    .modes      = income_lcd_modes,
    .num_modes  = ARRAY_SIZE(income_lcd_modes),
    .lcd_conn   = LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
};

static void __init income_lcd_init(void)
{
    pxa_set_fb_info(NULL, &income_lcd_screen);
}
#else
static inline void income_lcd_init(void) {}
#endif

/******************************************************************************
 * Backlight
 ******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct platform_pwm_backlight_data income_backlight_data = {
    .pwm_id     = 0,
    .max_brightness = 0x3ff,
    .dft_brightness = 0x1ff,
    .pwm_period_ns  = 1000000,
};

static struct platform_device income_backlight = {
    .name   = "pwm-backlight",
    .dev    = {
        .parent     = &pxa27x_device_pwm0.dev,
        .platform_data  = &income_backlight_data,
    },
};

static void __init income_pwm_init(void)
{
    platform_device_register(&income_backlight);
}
#else
static inline void income_pwm_init(void) {}
#endif

void __init colibri_pxa270_income_boardinit(void)
{
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);

    income_mmc_init();
    income_uhc_init();
    income_led_init();
    income_i2c_init();
    income_lcd_init();
    income_pwm_init();
}