1 /* 2 * arch/arm/mach-tegra/board-paz00.c 3 * 4 * Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de> 5 * 6 * Based on board-harmony.c 7 * Copyright (C) 2010 Google, Inc. 8 * 9 * This software is licensed under the terms of the GNU General Public 10 * License version 2, as published by the Free Software Foundation, and 11 * may be copied, distributed, and modified under those terms. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 */ 19 20 #include <linux/kernel.h> 21 #include <linux/init.h> 22 #include <linux/platform_device.h> 23 #include <linux/serial_8250.h> 24 #include <linux/clk.h> 25 #include <linux/dma-mapping.h> 26 #include <linux/pda_power.h> 27 #include <linux/io.h> 28 #include <linux/i2c.h> 29 #include <linux/gpio.h> 30 #include <linux/rfkill-gpio.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/iomap.h> 38 #include <mach/irqs.h> 39 #include <mach/sdhci.h> 40 41 #include "board.h" 42 #include "board-paz00.h" 43 #include "clock.h" 44 #include "devices.h" 45 #include "gpio-names.h" 46 47 static struct plat_serial8250_port debug_uart_platform_data[] = { 48 { 49 /* serial port on JP1 */ 50 .membase = IO_ADDRESS(TEGRA_UARTA_BASE), 51 .mapbase = TEGRA_UARTA_BASE, 52 .irq = INT_UARTA, 53 .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, 54 .type = PORT_TEGRA, 55 .iotype = UPIO_MEM, 56 .regshift = 2, 57 .uartclk = 216000000, 58 }, { 59 /* serial port on mini-pcie */ 60 .membase = IO_ADDRESS(TEGRA_UARTD_BASE), 61 .mapbase = TEGRA_UARTD_BASE, 62 .irq = INT_UARTD, 63 .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, 64 .type = PORT_TEGRA, 65 .iotype = UPIO_MEM, 66 .regshift = 2, 67 .uartclk = 216000000, 68 }, { 69 .flags = 0 70 } 71 }; 72 73 static struct platform_device debug_uart = { 74 .name = "serial8250", 75 .id = PLAT8250_DEV_PLATFORM, 76 .dev = { 77 .platform_data = debug_uart_platform_data, 78 }, 79 }; 80 81 static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = { 82 .name = "wifi_rfkill", 83 .reset_gpio = TEGRA_WIFI_RST, 84 .shutdown_gpio = TEGRA_WIFI_PWRN, 85 .type = RFKILL_TYPE_WLAN, 86 }; 87 88 static struct platform_device wifi_rfkill_device = { 89 .name = "rfkill_gpio", 90 .id = -1, 91 .dev = { 92 .platform_data = &wifi_rfkill_platform_data, 93 }, 94 }; 95 96 static struct gpio_led gpio_leds[] = { 97 { 98 .name = "wifi-led", 99 .default_trigger = "rfkill0", 100 .gpio = TEGRA_WIFI_LED, 101 }, 102 }; 103 104 static struct gpio_led_platform_data gpio_led_info = { 105 .leds = gpio_leds, 106 .num_leds = ARRAY_SIZE(gpio_leds), 107 }; 108 109 static struct platform_device leds_gpio = { 110 .name = "leds-gpio", 111 .id = -1, 112 .dev = { 113 .platform_data = &gpio_led_info, 114 }, 115 }; 116 117 static struct platform_device *paz00_devices[] __initdata = { 118 &debug_uart, 119 &tegra_sdhci_device4, 120 &tegra_sdhci_device1, 121 &wifi_rfkill_device, 122 &leds_gpio, 123 }; 124 125 static void paz00_i2c_init(void) 126 { 127 platform_device_register(&tegra_i2c_device1); 128 platform_device_register(&tegra_i2c_device2); 129 platform_device_register(&tegra_i2c_device4); 130 } 131 132 static void paz00_usb_init(void) 133 { 134 platform_device_register(&tegra_ehci2_device); 135 platform_device_register(&tegra_ehci3_device); 136 } 137 138 static void __init tegra_paz00_fixup(struct tag *tags, char **cmdline, 139 struct meminfo *mi) 140 { 141 mi->nr_banks = 1; 142 mi->bank[0].start = PHYS_OFFSET; 143 mi->bank[0].size = 448 * SZ_1M; 144 } 145 146 static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = { 147 /* name parent rate enabled */ 148 { "uarta", "pll_p", 216000000, true }, 149 { "uartd", "pll_p", 216000000, true }, 150 151 { "pll_p_out4", "pll_p", 24000000, true }, 152 { "usbd", "clk_m", 12000000, false }, 153 { "usb2", "clk_m", 12000000, false }, 154 { "usb3", "clk_m", 12000000, false }, 155 156 { NULL, NULL, 0, 0}, 157 }; 158 159 static struct tegra_sdhci_platform_data sdhci_pdata1 = { 160 .cd_gpio = TEGRA_GPIO_SD1_CD, 161 .wp_gpio = TEGRA_GPIO_SD1_WP, 162 .power_gpio = TEGRA_GPIO_SD1_POWER, 163 }; 164 165 static struct tegra_sdhci_platform_data sdhci_pdata4 = { 166 .cd_gpio = -1, 167 .wp_gpio = -1, 168 .power_gpio = -1, 169 .is_8bit = 1, 170 }; 171 172 static void __init tegra_paz00_init(void) 173 { 174 tegra_clk_init_from_table(paz00_clk_init_table); 175 176 paz00_pinmux_init(); 177 178 tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; 179 tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; 180 181 platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices)); 182 183 paz00_i2c_init(); 184 paz00_usb_init(); 185 } 186 187 MACHINE_START(PAZ00, "Toshiba AC100 / Dynabook AZ") 188 .atag_offset = 0x100, 189 .fixup = tegra_paz00_fixup, 190 .map_io = tegra_map_common_io, 191 .init_early = tegra_init_early, 192 .init_irq = tegra_init_irq, 193 .timer = &tegra_timer, 194 .init_machine = tegra_paz00_init, 195 MACHINE_END 196