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Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
-rw-r--r--arch/arm/mach-mx3/mx31moboard.c136
1 files changed, 134 insertions, 2 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index a17f2e41160..9243de54041 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -16,9 +16,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/delay.h>
+#include <linux/fsl_devices.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/leds.h>
#include <linux/memory.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
@@ -36,6 +39,7 @@
#include <mach/iomux-mx3.h>
#include <mach/i2c.h>
#include <mach/mmc.h>
+#include <mach/mx31.h>
#include "devices.h"
@@ -55,6 +59,26 @@ static unsigned int moboard_pins[] = {
MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
+ /* USB reset */
+ MX31_PIN_GPIO1_0__GPIO1_0,
+ /* USB OTG */
+ MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
+ MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
+ MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
+ MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
+ MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
+ MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
+ MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
+ MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
+ MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
+ MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
+ MX31_PIN_USB_OC__GPIO1_30,
+ /* LEDs */
+ MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
+ MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
+ /* SEL */
+ 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 struct physmap_flash_data mx31moboard_flash_data = {
@@ -94,7 +118,7 @@ static struct imxi2c_platform_data moboard_i2c1_pdata = {
static int moboard_sdhc1_get_ro(struct device *dev)
{
- return gpio_get_value(SDHC1_WP);
+ return !gpio_get_value(SDHC1_WP);
}
static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
@@ -142,8 +166,109 @@ static struct imxmmc_platform_data sdhc1_pdata = {
.exit = moboard_sdhc1_exit,
};
+/*
+ * this pin is dedicated for all mx31moboard systems, so we do it here
+ */
+#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
+
+static void usb_xcvr_reset(void)
+{
+ gpio_request(USB_RESET_B, "usb-reset");
+ gpio_direction_output(USB_RESET_B, 0);
+ mdelay(1);
+ gpio_set_value(USB_RESET_B, 1);
+}
+
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
+
+static void moboard_usbotg_init(void)
+{
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
+
+ gpio_request(OTG_EN_B, "usb-udc-en");
+ gpio_direction_output(OTG_EN_B, 0);
+}
+
+static struct fsl_usb2_platform_data usb_pdata = {
+ .operating_mode = FSL_USB2_DR_DEVICE,
+ .phy_mode = FSL_USB2_PHY_ULPI,
+};
+
+static struct gpio_led mx31moboard_leds[] = {
+ {
+ .name = "coreboard-led-0:red:running",
+ .default_trigger = "heartbeat",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
+ }, {
+ .name = "coreboard-led-1:red",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
+ }, {
+ .name = "coreboard-led-2:red",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
+ }, {
+ .name = "coreboard-led-3:red",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
+ },
+};
+
+static struct gpio_led_platform_data mx31moboard_led_pdata = {
+ .num_leds = ARRAY_SIZE(mx31moboard_leds),
+ .leds = mx31moboard_leds,
+};
+
+static struct platform_device mx31moboard_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &mx31moboard_led_pdata,
+ },
+};
+
+#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void mx31moboard_init_sel_gpios(void)
+{
+ if (!gpio_request(SEL0, "sel0")) {
+ gpio_direction_input(SEL0);
+ gpio_export(SEL0, true);
+ }
+
+ if (!gpio_request(SEL1, "sel1")) {
+ gpio_direction_input(SEL1);
+ gpio_export(SEL1, true);
+ }
+
+ if (!gpio_request(SEL2, "sel2")) {
+ gpio_direction_input(SEL2);
+ gpio_export(SEL2, true);
+ }
+
+ if (!gpio_request(SEL3, "sel3")) {
+ gpio_direction_input(SEL3);
+ gpio_export(SEL3, true);
+ }
+}
+
static struct platform_device *devices[] __initdata = {
&mx31moboard_flash,
+ &mx31moboard_leds_device,
};
static int mx31moboard_baseboard;
@@ -162,11 +287,18 @@ static void __init mxc_board_init(void)
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_uart_device4, &uart_pdata);
+ mx31moboard_init_sel_gpios();
+
mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata);
+ usb_xcvr_reset();
+
+ moboard_usbotg_init();
+ mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
switch (mx31moboard_baseboard) {
case MX31NOBOARD:
break;
@@ -197,7 +329,7 @@ MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx31_map_io,
- .init_irq = mxc_init_irq,
+ .init_irq = mx31_init_irq,
.init_machine = mxc_board_init,
.timer = &mx31moboard_timer,
MACHINE_END