diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c new file mode 100644 index 00000000..c00aadb0 --- /dev/null +++ b/arch/arm/mach-tegra/board-harmony.c @@ -0,0 +1,195 @@ +/* + * arch/arm/mach-tegra/board-harmony.c + * + * Copyright (C) 2010 Google, Inc. + * Copyright (C) 2011 NVIDIA, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/pda_power.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/i2c.h> + +#include <sound/wm8903.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/hardware/gic.h> +#include <asm/setup.h> + +#include <mach/tegra_wm8903_pdata.h> +#include <mach/iomap.h> +#include <mach/irqs.h> +#include <mach/sdhci.h> + +#include "board.h" +#include "board-harmony.h" +#include "clock.h" +#include "devices.h" +#include "gpio-names.h" + +static struct plat_serial8250_port debug_uart_platform_data[] = { + { + .membase = IO_ADDRESS(TEGRA_UARTD_BASE), + .mapbase = TEGRA_UARTD_BASE, + .irq = INT_UARTD, + .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, + .type = PORT_TEGRA, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 216000000, + }, { + .flags = 0 + } +}; + +static struct platform_device debug_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = debug_uart_platform_data, + }, +}; + +static struct tegra_wm8903_platform_data harmony_audio_pdata = { + .gpio_spkr_en = TEGRA_GPIO_SPKR_EN, + .gpio_hp_det = TEGRA_GPIO_HP_DET, + .gpio_hp_mute = -1, + .gpio_int_mic_en = TEGRA_GPIO_INT_MIC_EN, + .gpio_ext_mic_en = TEGRA_GPIO_EXT_MIC_EN, +}; + +static struct platform_device harmony_audio_device = { + .name = "tegra-snd-wm8903", + .id = 0, + .dev = { + .platform_data = &harmony_audio_pdata, + }, +}; + +static struct wm8903_platform_data harmony_wm8903_pdata = { + .irq_active_low = 0, + .micdet_cfg = 0, + .micdet_delay = 100, + .gpio_base = HARMONY_GPIO_WM8903(0), + .gpio_cfg = { + 0, + 0, + WM8903_GPIO_CONFIG_ZERO, + 0, + 0, + }, +}; + +static struct i2c_board_info __initdata wm8903_board_info = { + I2C_BOARD_INFO("wm8903", 0x1a), + .platform_data = &harmony_wm8903_pdata, +}; + +static void __init harmony_i2c_init(void) +{ + platform_device_register(&tegra_i2c_device1); + platform_device_register(&tegra_i2c_device2); + platform_device_register(&tegra_i2c_device3); + platform_device_register(&tegra_i2c_device4); + + wm8903_board_info.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ); + i2c_register_board_info(0, &wm8903_board_info, 1); +} + +static struct platform_device *harmony_devices[] __initdata = { + &debug_uart, + &tegra_sdhci_device1, + &tegra_sdhci_device2, + &tegra_sdhci_device4, + &tegra_ehci3_device, + &tegra_i2s_device1, + &tegra_das_device, + &tegra_pcm_device, + &harmony_audio_device, +}; + +static void __init tegra_harmony_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) +{ + mi->nr_banks = 2; + mi->bank[0].start = PHYS_OFFSET; + mi->bank[0].size = 448 * SZ_1M; + mi->bank[1].start = SZ_512M; + mi->bank[1].size = SZ_512M; +} + +static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = { + /* name parent rate enabled */ + { "uartd", "pll_p", 216000000, true }, + { "pll_a", "pll_p_out1", 56448000, true }, + { "pll_a_out0", "pll_a", 11289600, true }, + { "cdev1", NULL, 0, true }, + { "i2s1", "pll_a_out0", 11289600, false}, + { "usb3", "clk_m", 12000000, true }, + { NULL, NULL, 0, 0}, +}; + + +static struct tegra_sdhci_platform_data sdhci_pdata1 = { + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = -1, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata2 = { + .cd_gpio = TEGRA_GPIO_SD2_CD, + .wp_gpio = TEGRA_GPIO_SD2_WP, + .power_gpio = TEGRA_GPIO_SD2_POWER, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata4 = { + .cd_gpio = TEGRA_GPIO_SD4_CD, + .wp_gpio = TEGRA_GPIO_SD4_WP, + .power_gpio = TEGRA_GPIO_SD4_POWER, + .is_8bit = 1, +}; + +static void __init tegra_harmony_init(void) +{ + tegra_clk_init_from_table(harmony_clk_init_table); + + harmony_pinmux_init(); + + tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; + tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2; + tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; + + platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices)); + harmony_i2c_init(); + harmony_regulator_init(); +} + +MACHINE_START(HARMONY, "harmony") + .atag_offset = 0x100, + .fixup = tegra_harmony_fixup, + .map_io = tegra_map_common_io, + .init_early = tegra20_init_early, + .init_irq = tegra_init_irq, + .handle_irq = gic_handle_irq, + .timer = &tegra_timer, + .init_machine = tegra_harmony_init, + .restart = tegra_assert_system_reset, +MACHINE_END |