diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-seaboard.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-seaboard.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c new file mode 100644 index 00000000..a8d7ace9 --- /dev/null +++ b/arch/arm/mach-tegra/board-seaboard.c @@ -0,0 +1,250 @@ +/* + * Copyright (c) 2010, 2011 NVIDIA Corporation. + * Copyright (C) 2010, 2011 Google, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/i2c.h> +#include <linux/i2c-tegra.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> + +#include <mach/iomap.h> +#include <mach/irqs.h> +#include <mach/sdhci.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "board.h" +#include "board-seaboard.h" +#include "clock.h" +#include "devices.h" +#include "gpio-names.h" + +static struct plat_serial8250_port debug_uart_platform_data[] = { + { + /* Memory and IRQ filled in before registration */ + .flags = UPF_BOOT_AUTOCONF, + .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 __initdata struct tegra_clk_init_table seaboard_clk_init_table[] = { + /* name parent rate enabled */ + { "uartb", "pll_p", 216000000, true}, + { "uartd", "pll_p", 216000000, true}, + { NULL, NULL, 0, 0}, +}; + +static struct tegra_i2c_platform_data seaboard_i2c1_platform_data = { + .bus_clk_rate = 400000. +}; + +static struct tegra_i2c_platform_data seaboard_i2c2_platform_data = { + .bus_clk_rate = 400000, +}; + +static struct tegra_i2c_platform_data seaboard_i2c3_platform_data = { + .bus_clk_rate = 400000, +}; + +static struct tegra_i2c_platform_data seaboard_dvc_platform_data = { + .bus_clk_rate = 400000, +}; + +static struct gpio_keys_button seaboard_gpio_keys_buttons[] = { + { + .code = SW_LID, + .gpio = TEGRA_GPIO_LIDSWITCH, + .active_low = 0, + .desc = "Lid", + .type = EV_SW, + .wakeup = 1, + .debounce_interval = 1, + }, + { + .code = KEY_POWER, + .gpio = TEGRA_GPIO_POWERKEY, + .active_low = 1, + .desc = "Power", + .type = EV_KEY, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data seaboard_gpio_keys = { + .buttons = seaboard_gpio_keys_buttons, + .nbuttons = ARRAY_SIZE(seaboard_gpio_keys_buttons), +}; + +static struct platform_device seaboard_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &seaboard_gpio_keys, + } +}; + +static struct tegra_sdhci_platform_data sdhci_pdata1 = { + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = -1, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata3 = { + .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 = -1, + .wp_gpio = -1, + .power_gpio = -1, + .is_8bit = 1, +}; + +static struct platform_device *seaboard_devices[] __initdata = { + &debug_uart, + &tegra_pmu_device, + &tegra_sdhci_device1, + &tegra_sdhci_device3, + &tegra_sdhci_device4, + &seaboard_gpio_keys_device, +}; + +static struct i2c_board_info __initdata isl29018_device = { + I2C_BOARD_INFO("isl29018", 0x44), + .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ), +}; + +static struct i2c_board_info __initdata adt7461_device = { + I2C_BOARD_INFO("adt7461", 0x4c), +}; + +static void __init seaboard_i2c_init(void) +{ + gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018"); + gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ); + + i2c_register_board_info(0, &isl29018_device, 1); + + i2c_register_board_info(4, &adt7461_device, 1); + + tegra_i2c_device1.dev.platform_data = &seaboard_i2c1_platform_data; + tegra_i2c_device2.dev.platform_data = &seaboard_i2c2_platform_data; + tegra_i2c_device3.dev.platform_data = &seaboard_i2c3_platform_data; + tegra_i2c_device4.dev.platform_data = &seaboard_dvc_platform_data; + + platform_device_register(&tegra_i2c_device1); + platform_device_register(&tegra_i2c_device2); + platform_device_register(&tegra_i2c_device3); + platform_device_register(&tegra_i2c_device4); +} + +static void __init seaboard_common_init(void) +{ + seaboard_pinmux_init(); + + tegra_clk_init_from_table(seaboard_clk_init_table); + + tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; + tegra_sdhci_device3.dev.platform_data = &sdhci_pdata3; + tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; + + platform_add_devices(seaboard_devices, ARRAY_SIZE(seaboard_devices)); +} + +static void __init tegra_seaboard_init(void) +{ + /* Seaboard uses UARTD for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTD_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTD_BASE; + debug_uart_platform_data[0].irq = INT_UARTD; + + seaboard_common_init(); + + seaboard_i2c_init(); +} + +static void __init tegra_kaen_init(void) +{ + /* Kaen uses UARTB for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; + debug_uart_platform_data[0].irq = INT_UARTB; + + seaboard_common_init(); + + seaboard_i2c_init(); +} + +static void __init tegra_wario_init(void) +{ + /* Wario uses UARTB for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; + debug_uart_platform_data[0].irq = INT_UARTB; + + seaboard_common_init(); + + seaboard_i2c_init(); +} + + +MACHINE_START(SEABOARD, "seaboard") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_seaboard_init, +MACHINE_END + +MACHINE_START(KAEN, "kaen") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_kaen_init, +MACHINE_END + +MACHINE_START(WARIO, "wario") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_wario_init, +MACHINE_END |