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Diffstat (limited to 'arch/arm/mach-omap2/board-omap4panda.c')
-rw-r--r--arch/arm/mach-omap2/board-omap4panda.c126
1 files changed, 110 insertions, 16 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index c03d1d56db5..1ecd0a6cefb 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -20,6 +20,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/i2c/twl.h>
@@ -33,12 +34,45 @@
#include <plat/board.h>
#include <plat/common.h>
-#include <plat/control.h>
-#include <plat/timer-gp.h>
#include <plat/usb.h>
#include <plat/mmc.h>
+#include "timer-gp.h"
+
#include "hsmmc.h"
+#include "control.h"
+
+#define GPIO_HUB_POWER 1
+#define GPIO_HUB_NRESET 62
+
+static struct gpio_led gpio_leds[] = {
+ {
+ .name = "pandaboard::status1",
+ .default_trigger = "heartbeat",
+ .gpio = 7,
+ },
+ {
+ .name = "pandaboard::status2",
+ .default_trigger = "mmc0",
+ .gpio = 8,
+ },
+};
+static struct gpio_led_platform_data gpio_led_info = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_led_info,
+ },
+};
+
+static struct platform_device *panda_devices[] __initdata = {
+ &leds_gpio,
+};
static void __init omap4_panda_init_irq(void)
{
@@ -47,6 +81,56 @@ static void __init omap4_panda_init_irq(void)
omap_gpio_init();
}
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+ .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+ .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+ .phy_reset = false,
+ .reset_gpio_port[0] = -EINVAL,
+ .reset_gpio_port[1] = -EINVAL,
+ .reset_gpio_port[2] = -EINVAL
+};
+
+static void __init omap4_ehci_init(void)
+{
+ int ret;
+
+
+ /* disable the power to the usb hub prior to init */
+ ret = gpio_request(GPIO_HUB_POWER, "hub_power");
+ if (ret) {
+ pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
+ goto error1;
+ }
+ gpio_export(GPIO_HUB_POWER, 0);
+ gpio_direction_output(GPIO_HUB_POWER, 0);
+ gpio_set_value(GPIO_HUB_POWER, 0);
+
+ /* reset phy+hub */
+ ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
+ if (ret) {
+ pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
+ goto error2;
+ }
+ gpio_export(GPIO_HUB_NRESET, 0);
+ gpio_direction_output(GPIO_HUB_NRESET, 0);
+ gpio_set_value(GPIO_HUB_NRESET, 0);
+ gpio_set_value(GPIO_HUB_NRESET, 1);
+
+ usb_ehci_init(&ehci_pdata);
+
+ /* enable power to hub */
+ gpio_set_value(GPIO_HUB_POWER, 1);
+ return;
+
+error2:
+ gpio_free(GPIO_HUB_POWER);
+error1:
+ pr_err("Unable to initialize EHCI power/reset\n");
+ return;
+
+}
+
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_UTMI,
.mode = MUSB_PERIPHERAL,
@@ -56,7 +140,7 @@ static struct omap_musb_board_data musb_board_data = {
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
- .wires = 8,
+ .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
@@ -67,10 +151,6 @@ static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
.supply = "vmmc",
.dev_name = "mmci-omap-hs.0",
},
- {
- .supply = "vmmc",
- .dev_name = "mmci-omap-hs.1",
- },
};
static int omap4_twl6030_hsmmc_late_init(struct device *dev)
@@ -80,16 +160,32 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
struct platform_device, dev);
struct omap_mmc_platform_data *pdata = dev->platform_data;
+ if (!pdata) {
+ dev_err(dev, "%s: NULL platform data\n", __func__);
+ return -EINVAL;
+ }
/* Setting MMC1 Card detect Irq */
- if (pdev->id == 0)
- pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
- MMCDETECT_INTR_OFFSET;
+ if (pdev->id == 0) {
+ ret = twl6030_mmc_card_detect_config();
+ if (ret)
+ dev_err(dev, "%s: Error card detect config(%d)\n",
+ __func__, ret);
+ else
+ pdata->slots[0].card_detect = twl6030_mmc_card_detect;
+ }
return ret;
}
static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
- struct omap_mmc_platform_data *pdata = dev->platform_data;
+ struct omap_mmc_platform_data *pdata;
+
+ /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
+ if (!dev) {
+ pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
+ return;
+ }
+ pdata = dev->platform_data;
pdata->init = omap4_twl6030_hsmmc_late_init;
}
@@ -156,7 +252,7 @@ static struct regulator_init_data omap4_panda_vmmc = {
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
- .num_consumer_supplies = 2,
+ .num_consumer_supplies = 1,
.consumer_supplies = omap4_panda_vmmc_supply,
};
@@ -274,13 +370,13 @@ static int __init omap4_panda_i2c_init(void)
}
static void __init omap4_panda_init(void)
{
- int status;
-
omap4_panda_i2c_init();
+ platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
omap_serial_init();
omap4_twl6030_hsmmc_init(mmc);
/* OMAP4 Panda uses internal transceiver so register nop transceiver */
usb_nop_xceiv_register();
+ omap4_ehci_init();
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
if (!cpu_is_omap44xx())
usb_musb_init(&musb_board_data);
@@ -294,8 +390,6 @@ static void __init omap4_panda_map_io(void)
MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
/* Maintainer: David Anders - Texas Instruments Inc */
- .phys_io = 0x48000000,
- .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap4_panda_map_io,
.init_irq = omap4_panda_init_irq,