--- /dev/null
+/*
+ * Copyright (C) Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/fsl_devices.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/mfd/mc13892.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/consumer.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <mach/ulpi.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx51.h>
+#include <mach/i2c.h>
+#include <mach/mxc_ehci.h>
+
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#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 = otg_ulpi_create(&mxc_ulpi_access_ops,
+ ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT |
+ ULPI_OTG_EXTVBUSIND);
+ mxc_register_device(&mxc_usbh2_device, &usbh2_config);
+}
+
+static struct gpio_led mx51_efikasb_leds[] = {
+ {
+ .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 struct gpio_led_platform_data mx51_efikasb_leds_data = {
+ .leds = mx51_efikasb_leds,
+ .num_leds = ARRAY_SIZE(mx51_efikasb_leds),
+};
+
+static struct platform_device mx51_efikasb_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &mx51_efikasb_leds_data,
+ },
+};
+
+static struct gpio_keys_button mx51_efikasb_keys[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = EFIKASB_PWRKEY,
+ .type = EV_PWR,
+ .desc = "Power Button",
+ .wakeup = 1,
+ .debounce_interval = 10, /* ms */
+ },
+ {
+ .code = SW_LID,
+ .gpio = EFIKASB_LID,
+ .type = EV_SW,
+ .desc = "Lid Switch",
+ },
+ {
+ /* SW_RFKILLALL vs KEY_RFKILL ? */
+ .code = SW_RFKILL_ALL,
+ .gpio = EFIKASB_RFKILL,
+ .type = EV_SW,
+ .desc = "rfkill",
+ },
+};
+
+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);
+ id |= gpio_get_value(EFIKASB_PCBID1) << 1;
+
+ switch (id) {
+ default:
+ break;
+ case 1:
+ system_rev = 0x13;
+ break;
+ case 2:
+ system_rev = 0x20;
+ break;
+ }
+}
+
+static void __init efikasb_board_init(void)
+{
+ 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);
+
+ platform_device_register(&mx51_efikasb_leds_device);
+ imx51_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
projects / ~andy / linux / commitdiff