arch/arm/mach-omap2/board-zoom2.c

   1 /*
   2  * Copyright (C) 2009 Texas Instruments Inc.
   3  * Mikkel Christensen <mlc@ti.com>
   4  *
   5  * Modified from mach-omap2/board-ldp.c
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/input.h>
  16 #include <linux/gpio.h>
  17 #include <linux/i2c/twl.h>
  18
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21
  22 #include <plat/common.h>
  23 #include <plat/board.h>
  24
  25 #include <mach/board-zoom.h>
  26
  27 #include "mux.h"
  28 #include "sdram-micron-mt46h32m32lf-6.h"
  29
  30 static void __init omap_zoom2_init_irq(void)
  31 {
  32         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
  33                                  mt46h32m32lf6_sdrc_params);
  34         omap_init_irq();
  35         omap_gpio_init();
  36 }
  37
  38 /* EXTMUTE callback function */
  39 void zoom2_set_hs_extmute(int mute)
  40 {
  41         gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
  42 }
  43
  44 static struct twl4030_madc_platform_data zoom2_madc_data = {
  45         .irq_line       = 1,
  46 };
  47
  48 static struct twl4030_codec_audio_data zoom2_audio_data = {
  49         .audio_mclk = 26000000,
  50         .ramp_delay_value = 3,  /* 161 ms */
  51         .hs_extmute = 1,
  52         .set_hs_extmute = zoom2_set_hs_extmute,
  53 };
  54
  55 static struct twl4030_codec_data zoom2_codec_data = {
  56         .audio_mclk = 26000000,
  57         .audio = &zoom2_audio_data,
  58 };
  59
  60 static struct twl4030_platform_data zoom2_twldata = {
  61         .irq_base       = TWL4030_IRQ_BASE,
  62         .irq_end        = TWL4030_IRQ_END,
  63
  64         /* platform_data for children goes here */
  65         .bci            = &zoom2_bci_data,
  66         .madc           = &zoom2_madc_data,
  67         .usb            = &zoom2_usb_data,
  68         .gpio           = &zoom2_gpio_data,
  69         .keypad         = &zoom2_kp_twl4030_data,
  70         .codec          = &zoom2_codec_data,
  71         .vmmc1          = &zoom2_vmmc1,
  72         .vmmc2          = &zoom2_vmmc2,
  73         .vsim           = &zoom2_vsim,
  74 };
  75
  76 static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = {
  77         {
  78                 I2C_BOARD_INFO("twl4030", 0x48),
  79                 .flags = I2C_CLIENT_WAKE,
  80                 .irq = INT_34XX_SYS_NIRQ,
  81                 .platform_data = &zoom2_twldata,
  82         },
  83 };
  84
  85 static int __init omap3_zoom2_i2c_init(void)
  86 {
  87         omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo,
  88                         ARRAY_SIZE(zoom2_i2c_boardinfo));
  89         return 0;
  90 }
  91
  92
  93 #ifdef CONFIG_OMAP_MUX
  94 static struct omap_board_mux board_mux[] __initdata = {
  95         { .reg_offset = OMAP_MUX_TERMINATOR },
  96 };
  97 #else
  98 #define board_mux       NULL
  99 #endif
 100
 101 static void __init omap_zoom2_init(void)
 102 {
 103         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 104         zoom_peripherals_init();
 105         omap3_zoom2_i2c_init();
 106         zoom_debugboard_init();
 107 }
 108
 109 static void __init omap_zoom2_map_io(void)
 110 {
 111         omap2_set_globals_343x();
 112         omap34xx_map_common_io();
 113 }
 114
 115 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
 116         .phys_io        = ZOOM_UART_BASE,
 117         .io_pg_offst    = (ZOOM_UART_VIRT >> 18) & 0xfffc,
 118         .boot_params    = 0x80000100,
 119         .map_io         = omap_zoom2_map_io,
 120         .init_irq       = omap_zoom2_init_irq,
 121         .init_machine   = omap_zoom2_init,
 122         .timer          = &omap_timer,
 123 MACHINE_END