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 29#include <sound/wm8903.h> 30 31#include <asm/mach-types.h> 32#include <asm/mach/arch.h> 33#include <asm/mach/time.h> 34#include <asm/hardware/gic.h> 35#include <asm/setup.h> 36 37#include <mach/tegra_wm8903_pdata.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 48static 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 | UPF_FIXED_TYPE, 54 .type = PORT_TEGRA, 55 .iotype = UPIO_MEM, 56 .regshift = 2, 57 .uartclk = 216000000, 58 }, { 59 .flags = 0 60 } 61}; 62 63static struct platform_device debug_uart = { 64 .name = "serial8250", 65 .id = PLAT8250_DEV_PLATFORM, 66 .dev = { 67 .platform_data = debug_uart_platform_data, 68 }, 69}; 70 71static struct tegra_wm8903_platform_data harmony_audio_pdata = { 72 .gpio_spkr_en = TEGRA_GPIO_SPKR_EN, 73 .gpio_hp_det = TEGRA_GPIO_HP_DET, 74 .gpio_hp_mute = -1, 75 .gpio_int_mic_en = TEGRA_GPIO_INT_MIC_EN, 76 .gpio_ext_mic_en = TEGRA_GPIO_EXT_MIC_EN, 77}; 78 79static struct platform_device harmony_audio_device = { 80 .name = "tegra-snd-wm8903", 81 .id = 0, 82 .dev = { 83 .platform_data = &harmony_audio_pdata, 84 }, 85}; 86 87static struct wm8903_platform_data harmony_wm8903_pdata = { 88 .irq_active_low = 0, 89 .micdet_cfg = 0, 90 .micdet_delay = 100, 91 .gpio_base = HARMONY_GPIO_WM8903(0), 92 .gpio_cfg = { 93 0, 94 0, 95 WM8903_GPIO_CONFIG_ZERO, 96 0, 97 0, 98 }, 99}; 100 101static struct i2c_board_info __initdata wm8903_board_info = { 102 I2C_BOARD_INFO("wm8903", 0x1a), 103 .platform_data = &harmony_wm8903_pdata, 104}; 105 106static void __init harmony_i2c_init(void) 107{ 108 platform_device_register(&tegra_i2c_device1); 109 platform_device_register(&tegra_i2c_device2); 110 platform_device_register(&tegra_i2c_device3); 111 platform_device_register(&tegra_i2c_device4); 112 113 wm8903_board_info.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ); 114 i2c_register_board_info(0, &wm8903_board_info, 1); 115} 116 117static struct platform_device *harmony_devices[] __initdata = { 118 &debug_uart, 119 &tegra_sdhci_device1, 120 &tegra_sdhci_device2, 121 &tegra_sdhci_device4, 122 &tegra_ehci3_device, 123 &tegra_i2s_device1, 124 &tegra_das_device, 125 &tegra_pcm_device, 126 &harmony_audio_device, 127}; 128 129static void __init tegra_harmony_fixup(struct tag *tags, char **cmdline, 130 struct meminfo *mi) 131{ 132 mi->nr_banks = 2; 133 mi->bank[0].start = PHYS_OFFSET; 134 mi->bank[0].size = 448 * SZ_1M; 135 mi->bank[1].start = SZ_512M; 136 mi->bank[1].size = SZ_512M; 137} 138 139static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = { 140 /* name parent rate enabled */ 141 { "uartd", "pll_p", 216000000, true }, 142 { "pll_a", "pll_p_out1", 56448000, true }, 143 { "pll_a_out0", "pll_a", 11289600, true }, 144 { "cdev1", NULL, 0, true }, 145 { "i2s1", "pll_a_out0", 11289600, false}, 146 { "usb3", "clk_m", 12000000, true }, 147 { NULL, NULL, 0, 0}, 148}; 149 150 151static struct tegra_sdhci_platform_data sdhci_pdata1 = { 152 .cd_gpio = -1, 153 .wp_gpio = -1, 154 .power_gpio = -1, 155}; 156 157static struct tegra_sdhci_platform_data sdhci_pdata2 = { 158 .cd_gpio = TEGRA_GPIO_SD2_CD, 159 .wp_gpio = TEGRA_GPIO_SD2_WP, 160 .power_gpio = TEGRA_GPIO_SD2_POWER, 161}; 162 163static struct tegra_sdhci_platform_data sdhci_pdata4 = { 164 .cd_gpio = TEGRA_GPIO_SD4_CD, 165 .wp_gpio = TEGRA_GPIO_SD4_WP, 166 .power_gpio = TEGRA_GPIO_SD4_POWER, 167 .is_8bit = 1, 168}; 169 170static void __init tegra_harmony_init(void) 171{ 172 tegra_clk_init_from_table(harmony_clk_init_table); 173 174 harmony_pinmux_init(); 175 176 tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; 177 tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2; 178 tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; 179 180 platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices)); 181 harmony_i2c_init(); 182 harmony_regulator_init(); 183} 184 185MACHINE_START(HARMONY, "harmony") 186 .atag_offset = 0x100, 187 .fixup = tegra_harmony_fixup, 188 .map_io = tegra_map_common_io, 189 .init_early = tegra20_init_early, 190 .init_irq = tegra_init_irq, 191 .handle_irq = gic_handle_irq, 192 .timer = &tegra_timer, 193 .init_machine = tegra_harmony_init, 194 .restart = tegra_assert_system_reset, 195MACHINE_END 196