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teton_bga.c

/*
 *  linux/arch/arm/mach-mmp/teton_bga.c
 *
 *  Support for the Marvell PXA168 Teton BGA Development Platform.
 *
 *  Author: Mark F. Brown <mark.brown314@gmail.com>
 *
 *  This code is based on aspenite.c
 *
 *  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
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <plat/pxa27x_keypad.h>
#include <linux/i2c.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa168.h>
#include <mach/pxa168.h>
#include <mach/teton_bga.h>

#include "common.h"

static unsigned long teton_bga_pin_config[] __initdata = {
      /* UART1 */
      GPIO107_UART1_TXD,
      GPIO108_UART1_RXD,

      /* Keypad */
      GPIO109_KP_MKIN1,
      GPIO110_KP_MKIN0,
      GPIO111_KP_MKOUT7,
      GPIO112_KP_MKOUT6,

      /* I2C Bus */
      GPIO105_CI2C_SDA,
      GPIO106_CI2C_SCL,

      /* RTC */
      GPIO78_GPIO,
};

static unsigned int teton_bga_matrix_key_map[] = {
      KEY(0, 6, KEY_ESC),
      KEY(0, 7, KEY_ENTER),
      KEY(1, 6, KEY_LEFT),
      KEY(1, 7, KEY_RIGHT),
};

static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
      .matrix_key_rows        = 2,
      .matrix_key_cols        = 8,
      .matrix_key_map         = teton_bga_matrix_key_map,
      .matrix_key_map_size    = ARRAY_SIZE(teton_bga_matrix_key_map),
      .debounce_interval      = 30,
};

static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
      {
            I2C_BOARD_INFO("ds1337", 0x68),
            .irq = gpio_to_irq(RTC_INT_GPIO)
      },
};

static void __init teton_bga_init(void)
{
      mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));

      /* on-chip devices */
      pxa168_add_uart(1);
      pxa168_add_keypad(&teton_bga_keypad_info);
      pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
}

MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
      .map_io           = mmp_map_io,
      .nr_irqs    = IRQ_BOARD_START,
      .init_irq       = pxa168_init_irq,
      .timer          = &pxa168_timer,
      .init_machine   = teton_bga_init,
MACHINE_END

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