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 <sound/wm8903.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/time.h>
  35 #include <asm/setup.h>
  36
  37 #include <mach/harmony_audio.h>
  38 #include <mach/iomap.h>
  39 #include <mach/irqs.h>
  40 #include <mach/sdhci.h>
  41
  42 #include "board.h"
  43 #include "board-harmony.h"
  44 #include "clock.h"
  45 #include "devices.h"
  46 #include "gpio-names.h"
  47
  48 static struct plat_serial8250_port debug_uart_platform_data[] = {
  49         {
  50                 .membase        = IO_ADDRESS(TEGRA_UARTD_BASE),
  51                 .mapbase        = TEGRA_UARTD_BASE,
  52                 .irq            = INT_UARTD,
  53                 .flags          = UPF_BOOT_AUTOCONF,
  54                 .iotype         = UPIO_MEM,
  55                 .regshift       = 2,
  56                 .uartclk        = 216000000,
  57         }, {
  58                 .flags          = 0
  59         }
  60 };
  61
  62 static struct platform_device debug_uart = {
  63         .name = "serial8250",
  64         .id = PLAT8250_DEV_PLATFORM,
  65         .dev = {
  66                 .platform_data = debug_uart_platform_data,
  67         },
  68 };
  69
  70 static struct harmony_audio_platform_data harmony_audio_pdata = {
  71         .gpio_spkr_en           = TEGRA_GPIO_SPKR_EN,
  72         .gpio_hp_det            = TEGRA_GPIO_HP_DET,
  73         .gpio_int_mic_en        = TEGRA_GPIO_INT_MIC_EN,
  74         .gpio_ext_mic_en        = TEGRA_GPIO_EXT_MIC_EN,
  75 };
  76
  77 static struct platform_device harmony_audio_device = {
  78         .name   = "tegra-snd-harmony",
  79         .id     = 0,
  80         .dev    = {
  81                 .platform_data  = &harmony_audio_pdata,
  82         },
  83 };
  84
  85 static struct tegra_i2c_platform_data harmony_i2c1_platform_data = {
  86         .bus_clk_rate   = 400000,
  87 };
  88
  89 static struct tegra_i2c_platform_data harmony_i2c2_platform_data = {
  90         .bus_clk_rate   = 400000,
  91 };
  92
  93 static struct tegra_i2c_platform_data harmony_i2c3_platform_data = {
  94         .bus_clk_rate   = 400000,
  95 };
  96
  97 static struct tegra_i2c_platform_data harmony_dvc_platform_data = {
  98         .bus_clk_rate   = 400000,
  99 };
 100
 101 static struct wm8903_platform_data harmony_wm8903_pdata = {
 102         .irq_active_low = 0,
 103         .micdet_cfg = 0,
 104         .micdet_delay = 100,
 105         .gpio_base = HARMONY_GPIO_WM8903(0),
 106         .gpio_cfg = {
 107                 WM8903_GPIO_NO_CONFIG,
 108                 WM8903_GPIO_NO_CONFIG,
 109                 0,
 110                 WM8903_GPIO_NO_CONFIG,
 111                 WM8903_GPIO_NO_CONFIG,
 112         },
 113 };
 114
 115 static struct i2c_board_info __initdata wm8903_board_info = {
 116         I2C_BOARD_INFO("wm8903", 0x1a),
 117         .platform_data = &harmony_wm8903_pdata,
 118         .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
 119 };
 120
 121 static void __init harmony_i2c_init(void)
 122 {
 123         tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data;
 124         tegra_i2c_device2.dev.platform_data = &harmony_i2c2_platform_data;
 125         tegra_i2c_device3.dev.platform_data = &harmony_i2c3_platform_data;
 126         tegra_i2c_device4.dev.platform_data = &harmony_dvc_platform_data;
 127
 128         platform_device_register(&tegra_i2c_device1);
 129         platform_device_register(&tegra_i2c_device2);
 130         platform_device_register(&tegra_i2c_device3);
 131         platform_device_register(&tegra_i2c_device4);
 132
 133         i2c_register_board_info(0, &wm8903_board_info, 1);
 134 }
 135
 136 static struct platform_device *harmony_devices[] __initdata = {
 137         &debug_uart,
 138         &tegra_sdhci_device1,
 139         &tegra_sdhci_device2,
 140         &tegra_sdhci_device4,
 141         &tegra_i2s_device1,
 142         &tegra_das_device,
 143         &tegra_pcm_device,
 144         &harmony_audio_device,
 145 };
 146
 147 static void __init tegra_harmony_fixup(struct machine_desc *desc,
 148         struct tag *tags, char **cmdline, struct meminfo *mi)
 149 {
 150         mi->nr_banks = 2;
 151         mi->bank[0].start = PHYS_OFFSET;
 152         mi->bank[0].size = 448 * SZ_1M;
 153         mi->bank[1].start = SZ_512M;
 154         mi->bank[1].size = SZ_512M;
 155 }
 156
 157 static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
 158         /* name         parent          rate            enabled */
 159         { "uartd",      "pll_p",        216000000,      true },
 160         { "pll_a",      "pll_p_out1",   56448000,       true },
 161         { "pll_a_out0", "pll_a",        11289600,       true },
 162         { "cdev1",      NULL,           0,              true },
 163         { "i2s1",       "pll_a_out0",   11289600,       false},
 164         { NULL,         NULL,           0,              0},
 165 };
 166
 167
 168 static struct tegra_sdhci_platform_data sdhci_pdata1 = {
 169         .cd_gpio        = -1,
 170         .wp_gpio        = -1,
 171         .power_gpio     = -1,
 172 };
 173
 174 static struct tegra_sdhci_platform_data sdhci_pdata2 = {
 175         .cd_gpio        = TEGRA_GPIO_SD2_CD,
 176         .wp_gpio        = TEGRA_GPIO_SD2_WP,
 177         .power_gpio     = TEGRA_GPIO_SD2_POWER,
 178 };
 179
 180 static struct tegra_sdhci_platform_data sdhci_pdata4 = {
 181         .cd_gpio        = TEGRA_GPIO_SD4_CD,
 182         .wp_gpio        = TEGRA_GPIO_SD4_WP,
 183         .power_gpio     = TEGRA_GPIO_SD4_POWER,
 184         .is_8bit        = 1,
 185 };
 186
 187 static void __init tegra_harmony_init(void)
 188 {
 189         tegra_clk_init_from_table(harmony_clk_init_table);
 190
 191         harmony_pinmux_init();
 192
 193         tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
 194         tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2;
 195         tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;
 196
 197         platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
 198         harmony_i2c_init();
 199 }
 200
 201 MACHINE_START(HARMONY, "harmony")
 202         .boot_params  = 0x00000100,
 203         .fixup          = tegra_harmony_fixup,
 204         .map_io         = tegra_map_common_io,
 205         .init_early     = tegra_init_early,
 206         .init_irq       = tegra_init_irq,
 207         .timer          = &tegra_timer,
 208         .init_machine   = tegra_harmony_init,
 209 MACHINE_END