1 files changed, 133 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx31moboard-smartbot.c b/arch/arm/mach-imx/mx31moboard-smartbot.c
new file mode 100644
index 000000000..5cdd7abce
--- /dev/null
+++ b/arch/arm/mach-imx/mx31moboard-smartbot.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
+ *
+ * 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/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+
+#include "board-mx31moboard.h"
+#include "common.h"
+#include "devices-imx31.h"
+#include "ehci.h"
+#include "hardware.h"
+#include "iomux-mx3.h"
+#include "ulpi.h"
+
+static unsigned int smartbot_pins[] = {
+	/* UART1 */
+	MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2,
+	MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2,
+	/* ENABLES */
+	MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
+	MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
+};
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static const struct fsl_usb2_platform_data usb_pdata __initconst = {
+	.operating_mode	= FSL_USB2_DR_DEVICE,
+	.phy_mode	= FSL_USB2_PHY_ULPI,
+};
+
+#if defined(CONFIG_USB_ULPI)
+
+static int smartbot_otg_init(struct platform_device *pdev)
+{
+	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
+}
+
+static struct mxc_usbh_platform_data otg_host_pdata __initdata = {
+	.init	= smartbot_otg_init,
+	.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+};
+
+static int __init smartbot_otg_host_init(void)
+{
+	struct platform_device *pdev;
+
+	otg_host_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
+		ULPI_OTG_DRVVBUS_EXT);
+	if (!otg_host_pdata.otg)
+		return -ENODEV;
+
+	pdev = imx31_add_mxc_ehci_otg(&otg_host_pdata);
+
+	return PTR_ERR_OR_ZERO(pdev);
+}
+#else
+static inline int smartbot_otg_host_init(void) { return 0; }
+#endif
+
+#define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void smartbot_resets_init(void)
+{
+	if (!gpio_request(POWER_EN, "power-enable")) {
+		gpio_direction_output(POWER_EN, 0);
+		gpio_export(POWER_EN, false);
+	}
+
+	if (!gpio_request(DSPIC_RST_B, "dspic-rst")) {
+		gpio_direction_output(DSPIC_RST_B, 0);
+		gpio_export(DSPIC_RST_B, false);
+	}
+
+	if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
+		gpio_direction_output(TRSLAT_RST_B, 0);
+		gpio_export(TRSLAT_RST_B, false);
+	}
+
+	if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) {
+		gpio_direction_output(TRSLAT_SRC_CHOICE, 0);
+		gpio_export(TRSLAT_SRC_CHOICE, false);
+	}
+}
+/*
+ * system init for baseboard usage. Will be called by mx31moboard init.
+ */
+void __init mx31moboard_smartbot_init(int board)
+{
+	printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
+
+	mxc_iomux_setup_multiple_pins(smartbot_pins, ARRAY_SIZE(smartbot_pins),
+		"smartbot");
+
+	imx31_add_imx_uart1(&uart_pdata);
+
+	switch (board) {
+	case MX31SMARTBOT:
+		imx31_add_fsl_usb2_udc(&usb_pdata);
+		break;
+	case MX31EYEBOT:
+		smartbot_otg_host_init();
+		break;
+	default:
+		printk(KERN_WARNING "Unknown board %d, USB OTG not initialized",
+			board);
+	}
+
+	smartbot_resets_init();
+}