teton_bga.c

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/*
 *  linux/arch/arm/mach-mmp/teton_bga.c
 *
 *  Support for the Marvell PXA168 Teton BGA Development Platform.
 *
 *  Author: Mark F. Brown <[email protected]>
 *
 *  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 <linux/platform_data/keypad-pxa27x.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 <mach/irqs.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 = MMP_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));
    platform_device_register(&pxa168_device_gpio);
}

MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
    .map_io     = mmp_map_io,
    .nr_irqs    = MMP_NR_IRQS,
    .init_irq       = pxa168_init_irq,
    .timer          = &pxa168_timer,
    .init_machine   = teton_bga_init,
    .restart    = pxa168_restart,
MACHINE_END