arch/arm/mach-imx/mach-mx27_3ds.c

   1 /*
   2  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
   3  *
   4  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 /*
  18  * This machine is known as:
  19  *  - i.MX27 3-Stack Development System
  20  *  - i.MX27 Platform Development Kit (i.MX27 PDK)
  21  */
  22
  23 #include <linux/platform_device.h>
  24 #include <linux/gpio.h>
  25 #include <linux/input/matrix_keypad.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/time.h>
  29 #include <mach/hardware.h>
  30 #include <mach/common.h>
  31 #include <mach/iomux-mx27.h>
  32
  33 #include "devices-imx27.h"
  34 #include "devices.h"
  35
  36 static unsigned int mx27pdk_pins[] = {
  37         /* UART1 */
  38         PE12_PF_UART1_TXD,
  39         PE13_PF_UART1_RXD,
  40         PE14_PF_UART1_CTS,
  41         PE15_PF_UART1_RTS,
  42         /* FEC */
  43         PD0_AIN_FEC_TXD0,
  44         PD1_AIN_FEC_TXD1,
  45         PD2_AIN_FEC_TXD2,
  46         PD3_AIN_FEC_TXD3,
  47         PD4_AOUT_FEC_RX_ER,
  48         PD5_AOUT_FEC_RXD1,
  49         PD6_AOUT_FEC_RXD2,
  50         PD7_AOUT_FEC_RXD3,
  51         PD8_AF_FEC_MDIO,
  52         PD9_AIN_FEC_MDC,
  53         PD10_AOUT_FEC_CRS,
  54         PD11_AOUT_FEC_TX_CLK,
  55         PD12_AOUT_FEC_RXD0,
  56         PD13_AOUT_FEC_RX_DV,
  57         PD14_AOUT_FEC_RX_CLK,
  58         PD15_AOUT_FEC_COL,
  59         PD16_AIN_FEC_TX_ER,
  60         PF23_AIN_FEC_TX_EN,
  61 };
  62
  63 static const struct imxuart_platform_data uart_pdata __initconst = {
  64         .flags = IMXUART_HAVE_RTSCTS,
  65 };
  66
  67 static struct platform_device *platform_devices[] __initdata = {
  68         &mxc_fec_device,
  69 };
  70
  71 /*
  72  * Matrix keyboard
  73  */
  74
  75 static const uint32_t mx27_3ds_keymap[] = {
  76         KEY(0, 0, KEY_UP),
  77         KEY(0, 1, KEY_DOWN),
  78         KEY(1, 0, KEY_RIGHT),
  79         KEY(1, 1, KEY_LEFT),
  80         KEY(1, 2, KEY_ENTER),
  81         KEY(2, 0, KEY_F6),
  82         KEY(2, 1, KEY_F8),
  83         KEY(2, 2, KEY_F9),
  84         KEY(2, 3, KEY_F10),
  85 };
  86
  87 static struct matrix_keymap_data mx27_3ds_keymap_data = {
  88         .keymap         = mx27_3ds_keymap,
  89         .keymap_size    = ARRAY_SIZE(mx27_3ds_keymap),
  90 };
  91
  92 static void __init mx27pdk_init(void)
  93 {
  94         mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
  95                 "mx27pdk");
  96         imx27_add_imx_uart0(&uart_pdata);
  97         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
  98         mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
  99 }
 100
 101 static void __init mx27pdk_timer_init(void)
 102 {
 103         mx27_clocks_init(26000000);
 104 }
 105
 106 static struct sys_timer mx27pdk_timer = {
 107         .init   = mx27pdk_timer_init,
 108 };
 109
 110 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
 111         /* maintainer: Freescale Semiconductor, Inc. */
 112         .phys_io        = MX27_AIPI_BASE_ADDR,
 113         .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 114         .boot_params    = MX27_PHYS_OFFSET + 0x100,
 115         .map_io         = mx27_map_io,
 116         .init_irq       = mx27_init_irq,
 117         .init_machine   = mx27pdk_init,
 118         .timer          = &mx27pdk_timer,
 119 MACHINE_END