arch/arm/mach-tegra/board-harmony.c

   1 /*
   2  * arch/arm/mach-tegra/board-harmony.c
   3  *
   4  * Copyright (C) 2010 Google, Inc.
   5  * Copyright (C) 2011 NVIDIA, Inc.
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  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 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/serial_8250.h>
  22 #include <linux/clk.h>
  23 #include <linux/dma-mapping.h>
  24 #include <linux/pda_power.h>
  25 #include <linux/io.h>
  26 #include <linux/gpio.h>
  27 #include <linux/i2c.h>
  28 #include <linux/i2c-tegra.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/time.h>
  33 #include <asm/setup.h>
  34
  35 #include <mach/harmony_audio.h>
  36 #include <mach/iomap.h>
  37 #include <mach/irqs.h>
  38 #include <mach/sdhci.h>
  39
  40 #include "board.h"
  41 #include "board-harmony.h"
  42 #include "clock.h"
  43 #include "devices.h"
  44 #include "gpio-names.h"
  45
  46 static struct plat_serial8250_port debug_uart_platform_data[] = {
  47         {
  48                 .membase        = IO_ADDRESS(TEGRA_UARTD_BASE),
  49                 .mapbase        = TEGRA_UARTD_BASE,
  50                 .irq            = INT_UARTD,
  51                 .flags          = UPF_BOOT_AUTOCONF,
  52                 .iotype         = UPIO_MEM,
  53                 .regshift       = 2,
  54                 .uartclk        = 216000000,
  55         }, {
  56                 .flags          = 0
  57         }
  58 };
  59
  60 static struct platform_device debug_uart = {
  61         .name = "serial8250",
  62         .id = PLAT8250_DEV_PLATFORM,
  63         .dev = {
  64                 .platform_data = debug_uart_platform_data,
  65         },
  66 };
  67
  68 static struct harmony_audio_platform_data harmony_audio_pdata = {
  69         .gpio_spkr_en           = TEGRA_GPIO_SPKR_EN,
  70         .gpio_hp_det            = TEGRA_GPIO_HP_DET,
  71         .gpio_int_mic_en        = TEGRA_GPIO_INT_MIC_EN,
  72         .gpio_ext_mic_en        = TEGRA_GPIO_EXT_MIC_EN,
  73 };
  74
  75 static struct platform_device harmony_audio_device = {
  76         .name   = "tegra-snd-harmony",
  77         .id     = 0,
  78         .dev    = {
  79                 .platform_data  = &harmony_audio_pdata,
  80         },
  81 };
  82
  83 static struct tegra_i2c_platform_data harmony_i2c1_platform_data = {
  84         .bus_clk_rate   = 400000,
  85 };
  86
  87 static struct tegra_i2c_platform_data harmony_i2c2_platform_data = {
  88         .bus_clk_rate   = 400000,
  89 };
  90
  91 static struct tegra_i2c_platform_data harmony_i2c3_platform_data = {
  92         .bus_clk_rate   = 400000,
  93 };
  94
  95 static struct tegra_i2c_platform_data harmony_dvc_platform_data = {
  96         .bus_clk_rate   = 400000,
  97 };
  98
  99 static void __init harmony_i2c_init(void)
 100 {
 101         tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data;
 102         tegra_i2c_device2.dev.platform_data = &harmony_i2c2_platform_data;
 103         tegra_i2c_device3.dev.platform_data = &harmony_i2c3_platform_data;
 104         tegra_i2c_device4.dev.platform_data = &harmony_dvc_platform_data;
 105
 106         platform_device_register(&tegra_i2c_device1);
 107         platform_device_register(&tegra_i2c_device2);
 108         platform_device_register(&tegra_i2c_device3);
 109         platform_device_register(&tegra_i2c_device4);
 110 }
 111
 112 static struct platform_device *harmony_devices[] __initdata = {
 113         &debug_uart,
 114         &tegra_sdhci_device1,
 115         &tegra_sdhci_device2,
 116         &tegra_sdhci_device4,
 117         &tegra_i2s_device1,
 118         &tegra_das_device,
 119         &tegra_pcm_device,
 120         &harmony_audio_device,
 121 };
 122
 123 static void __init tegra_harmony_fixup(struct machine_desc *desc,
 124         struct tag *tags, char **cmdline, struct meminfo *mi)
 125 {
 126         mi->nr_banks = 2;
 127         mi->bank[0].start = PHYS_OFFSET;
 128         mi->bank[0].size = 448 * SZ_1M;
 129         mi->bank[1].start = SZ_512M;
 130         mi->bank[1].size = SZ_512M;
 131 }
 132
 133 static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
 134         /* name         parent          rate            enabled */
 135         { "uartd",      "pll_p",        216000000,      true },
 136         { "pll_a",      "pll_p_out1",   56448000,       true },
 137         { "pll_a_out0", "pll_a",        11289600,       true },
 138         { "cdev1",      NULL,           0,              true },
 139         { "i2s1",       "pll_a_out0",   11289600,       false},
 140         { NULL,         NULL,           0,              0},
 141 };
 142
 143
 144 static struct tegra_sdhci_platform_data sdhci_pdata1 = {
 145         .cd_gpio        = -1,
 146         .wp_gpio        = -1,
 147         .power_gpio     = -1,
 148 };
 149
 150 static struct tegra_sdhci_platform_data sdhci_pdata2 = {
 151         .cd_gpio        = TEGRA_GPIO_SD2_CD,
 152         .wp_gpio        = TEGRA_GPIO_SD2_WP,
 153         .power_gpio     = TEGRA_GPIO_SD2_POWER,
 154 };
 155
 156 static struct tegra_sdhci_platform_data sdhci_pdata4 = {
 157         .cd_gpio        = TEGRA_GPIO_SD4_CD,
 158         .wp_gpio        = TEGRA_GPIO_SD4_WP,
 159         .power_gpio     = TEGRA_GPIO_SD4_POWER,
 160         .is_8bit        = 1,
 161 };
 162
 163 static void __init tegra_harmony_init(void)
 164 {
 165         tegra_clk_init_from_table(harmony_clk_init_table);
 166
 167         harmony_pinmux_init();
 168
 169         tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
 170         tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
 171         tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
 172
 173         platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
 174         harmony_i2c_init();
 175 }
 176
 177 MACHINE_START(HARMONY, "harmony")
 178         .boot_params  = 0x00000100,
 179         .fixup          = tegra_harmony_fixup,
 180         .map_io         = tegra_map_common_io,
 181         .init_early     = tegra_init_early,
 182         .init_irq       = tegra_init_irq,
 183         .timer          = &tegra_timer,
 184         .init_machine   = tegra_harmony_init,
 185 MACHINE_END