/* * Copyright (C) Arnaud Patard * * based on code from the following * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved. * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved. * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "devices-imx51.h" #include "devices.h" #include "efika.h" #define EFIKASB_USBH2_STP IMX_GPIO_NR(2, 20) #define EFIKASB_GREEN_LED IMX_GPIO_NR(1, 3) #define EFIKASB_WHITE_LED IMX_GPIO_NR(2, 25) #define EFIKASB_PCBID0 IMX_GPIO_NR(2, 28) #define EFIKASB_PCBID1 IMX_GPIO_NR(2, 29) #define EFIKASB_PWRKEY IMX_GPIO_NR(2, 31) #define EFIKASB_LID IMX_GPIO_NR(3, 14) #define EFIKASB_POWEROFF IMX_GPIO_NR(4, 13) #define EFIKASB_RFKILL IMX_GPIO_NR(3, 1) #define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0, 0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE) static iomux_v3_cfg_t mx51efikasb_pads[] = { /* USB HOST2 */ MX51_PAD_EIM_D16__USBH2_DATA0, MX51_PAD_EIM_D17__USBH2_DATA1, MX51_PAD_EIM_D18__USBH2_DATA2, MX51_PAD_EIM_D19__USBH2_DATA3, MX51_PAD_EIM_D20__USBH2_DATA4, MX51_PAD_EIM_D21__USBH2_DATA5, MX51_PAD_EIM_D22__USBH2_DATA6, MX51_PAD_EIM_D23__USBH2_DATA7, MX51_PAD_EIM_A24__USBH2_CLK, MX51_PAD_EIM_A25__USBH2_DIR, MX51_PAD_EIM_A26__USBH2_STP, MX51_PAD_EIM_A27__USBH2_NXT, /* leds */ MX51_PAD_EIM_CS0__GPIO2_25, MX51_PAD_GPIO1_3__GPIO1_3, /* pcb id */ MX51_PAD_EIM_CS3__GPIO2_28, MX51_PAD_EIM_CS4__GPIO2_29, /* lid */ MX51_PAD_CSI1_VSYNC__GPIO3_14, /* power key*/ MX51_PAD_PWRKEY, /* wifi/bt button */ MX51_PAD_DI1_PIN12__GPIO3_1, /* power off */ MX51_PAD_CSI2_VSYNC__GPIO4_13, /* wdog reset */ MX51_PAD_GPIO1_4__WDOG1_WDOG_B, /* BT */ MX51_PAD_EIM_A17__GPIO2_11, }; static int initialize_usbh2_port(struct platform_device *pdev) { iomux_v3_cfg_t usbh2stp = MX51_PAD_EIM_A26__USBH2_STP; iomux_v3_cfg_t usbh2gpio = MX51_PAD_EIM_A26__GPIO2_20; mxc_iomux_v3_setup_pad(usbh2gpio); gpio_request(EFIKASB_USBH2_STP, "usbh2_stp"); gpio_direction_output(EFIKASB_USBH2_STP, 0); msleep(1); gpio_set_value(EFIKASB_USBH2_STP, 1); msleep(1); gpio_free(EFIKASB_USBH2_STP); mxc_iomux_v3_setup_pad(usbh2stp); mdelay(10); return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_ITC_NO_THRESHOLD); } static struct mxc_usbh_platform_data usbh2_config = { .init = initialize_usbh2_port, .portsc = MXC_EHCI_MODE_ULPI, }; static void __init mx51_efikasb_usb(void) { usbh2_config.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT | ULPI_OTG_EXTVBUSIND); if (usbh2_config.otg) mxc_register_device(&mxc_usbh2_device, &usbh2_config); } static const struct gpio_led mx51_efikasb_leds[] __initconst = { { .name = "efikasb:green", .default_trigger = "default-on", .gpio = EFIKASB_GREEN_LED, .active_low = 1, }, { .name = "efikasb:white", .default_trigger = "caps", .gpio = EFIKASB_WHITE_LED, }, }; static const struct gpio_led_platform_data mx51_efikasb_leds_data __initconst = { .leds = mx51_efikasb_leds, .num_leds = ARRAY_SIZE(mx51_efikasb_leds), }; static struct gpio_keys_button mx51_efikasb_keys[] = { { .code = KEY_POWER, .gpio = EFIKASB_PWRKEY, .type = EV_KEY, .desc = "Power Button", .wakeup = 1, .active_low = 1, }, { .code = SW_LID, .gpio = EFIKASB_LID, .type = EV_SW, .desc = "Lid Switch", .active_low = 1, }, { .code = KEY_RFKILL, .gpio = EFIKASB_RFKILL, .type = EV_KEY, .desc = "rfkill", .active_low = 1, }, }; static const struct gpio_keys_platform_data mx51_efikasb_keys_data __initconst = { .buttons = mx51_efikasb_keys, .nbuttons = ARRAY_SIZE(mx51_efikasb_keys), }; static struct regulator *pwgt1, *pwgt2; static void mx51_efikasb_power_off(void) { gpio_set_value(EFIKA_USB_PHY_RESET, 0); if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { regulator_disable(pwgt2); regulator_disable(pwgt1); } gpio_direction_output(EFIKASB_POWEROFF, 1); } static int __init mx51_efikasb_power_init(void) { if (machine_is_mx51_efikasb()) { pwgt1 = regulator_get(NULL, "pwgt1"); pwgt2 = regulator_get(NULL, "pwgt2"); if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { regulator_enable(pwgt1); regulator_enable(pwgt2); } gpio_request(EFIKASB_POWEROFF, "poweroff"); pm_power_off = mx51_efikasb_power_off; regulator_has_full_constraints(); } return 0; } late_initcall(mx51_efikasb_power_init); /* 01 R1.3 board 10 R2.0 board */ static void __init mx51_efikasb_board_id(void) { int id; gpio_request(EFIKASB_PCBID0, "pcb id0"); gpio_direction_input(EFIKASB_PCBID0); gpio_request(EFIKASB_PCBID1, "pcb id1"); gpio_direction_input(EFIKASB_PCBID1); id = gpio_get_value(EFIKASB_PCBID0) ? 1 : 0; id |= (gpio_get_value(EFIKASB_PCBID1) ? 1 : 0) << 1; switch (id) { default: break; case 1: system_rev = 0x13; break; case 2: system_rev = 0x20; break; } } static void __init efikasb_board_init(void) { imx51_soc_init(); mxc_iomux_v3_setup_multiple_pads(mx51efikasb_pads, ARRAY_SIZE(mx51efikasb_pads)); efika_board_common_init(); mx51_efikasb_board_id(); mx51_efikasb_usb(); imx51_add_sdhci_esdhc_imx(1, NULL); gpio_led_register_device(-1, &mx51_efikasb_leds_data); imx_add_gpio_keys(&mx51_efikasb_keys_data); } static void __init mx51_efikasb_timer_init(void) { mx51_clocks_init(32768, 24000000, 22579200, 24576000); } static struct sys_timer mx51_efikasb_timer = { .init = mx51_efikasb_timer_init, }; MACHINE_START(MX51_EFIKASB, "Genesi Efika Smartbook") .boot_params = MX51_PHYS_OFFSET + 0x100, .map_io = mx51_map_io, .init_early = imx51_init_early, .init_irq = mx51_init_irq, .init_machine = efikasb_board_init, .timer = &mx51_efikasb_timer, MACHINE_END