omap: Fix n8x0 mmc_mmc_init compile warnings and typos

[net-next-2.6.git] / arch / arm / mach-omap2 / board-n8x0.c

diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 4cab0522d7ce1e2ae701750fe8c565cbe15f0a30..3ccc34ebdcc79c11e021b4c80e9fca550bfea037 100644 (file)
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -37,6 +37,103 @@ static int slot1_cover_open;
 static int slot2_cover_open;
 static struct device *mmc_device;
 
+#define TUSB6010_ASYNC_CS      1
+#define TUSB6010_SYNC_CS       4
+#define TUSB6010_GPIO_INT      58
+#define TUSB6010_GPIO_ENABLE   0
+#define TUSB6010_DMACHAN       0x3f
+
+#if defined(CONFIG_USB_TUSB6010) || \
+       defined(CONFIG_USB_TUSB6010_MODULE)
+/*
+ * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
+ * 1.5 V voltage regulators of PM companion chip. Companion chip will then
+ * provide then PGOOD signal to TUSB6010 which will release it from reset.
+ */
+static int tusb_set_power(int state)
+{
+       int i, retval = 0;
+
+       if (state) {
+               gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
+               msleep(1);
+
+               /* Wait until TUSB6010 pulls INT pin down */
+               i = 100;
+               while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
+                       msleep(1);
+                       i--;
+               }
+
+               if (!i) {
+                       printk(KERN_ERR "tusb: powerup failed\n");
+                       retval = -ENODEV;
+               }
+       } else {
+               gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
+               msleep(10);
+       }
+
+       return retval;
+}
+
+static struct musb_hdrc_config musb_config = {
+       .multipoint     = 1,
+       .dyn_fifo       = 1,
+       .num_eps        = 16,
+       .ram_bits       = 12,
+};
+
+static struct musb_hdrc_platform_data tusb_data = {
+#if defined(CONFIG_USB_MUSB_OTG)
+       .mode           = MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+       .mode           = MUSB_PERIPHERAL,
+#else /* defined(CONFIG_USB_MUSB_HOST) */
+       .mode           = MUSB_HOST,
+#endif
+       .set_power      = tusb_set_power,
+       .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
+       .power          = 100,  /* Max 100 mA VBUS for host mode */
+       .config         = &musb_config,
+};
+
+static void __init n8x0_usb_init(void)
+{
+       int ret = 0;
+       static char     announce[] __initdata = KERN_INFO "TUSB 6010\n";
+
+       /* PM companion chip power control pin */
+       ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
+       if (ret != 0) {
+               printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
+                      TUSB6010_GPIO_ENABLE);
+               return;
+       }
+       gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
+
+       tusb_set_power(0);
+
+       ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
+                                       TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
+                                       TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
+       if (ret != 0)
+               goto err;
+
+       printk(announce);
+
+       return;
+
+err:
+       gpio_free(TUSB6010_GPIO_ENABLE);
+}
+#else
+
+static void __init n8x0_usb_init(void) {}
+
+#endif /*CONFIG_USB_TUSB6010 */
+
+
 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
        .turbo_mode     = 0,
        .single_channel = 1,
@@ -119,7 +216,7 @@ static void __init n8x0_onenand_init(void) {}
  */
 #define N8X0_SLOT_SWITCH_GPIO  96
 #define N810_EMMC_VSD_GPIO     23
-#define NN810_EMMC_VIO_GPIO    9
+#define N810_EMMC_VIO_GPIO     9
 
 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
 {
@@ -207,10 +304,10 @@ static void n810_set_power_emmc(struct device *dev,
        if (power_on) {
                gpio_set_value(N810_EMMC_VSD_GPIO, 1);
                msleep(1);
-               gpio_set_value(NN810_EMMC_VIO_GPIO, 1);
+               gpio_set_value(N810_EMMC_VIO_GPIO, 1);
                msleep(1);
        } else {
-               gpio_set_value(NN810_EMMC_VIO_GPIO, 0);
+               gpio_set_value(N810_EMMC_VIO_GPIO, 0);
                msleep(50);
                gpio_set_value(N810_EMMC_VSD_GPIO, 0);
                msleep(50);
@@ -371,7 +468,7 @@ static void n8x0_mmc_cleanup(struct device *dev)
 
        if (machine_is_nokia_n810()) {
                gpio_free(N810_EMMC_VSD_GPIO);
-               gpio_free(NN810_EMMC_VIO_GPIO);
+               gpio_free(N810_EMMC_VIO_GPIO);
        }
 }
 
@@ -432,7 +529,7 @@ void __init n8x0_mmc_init(void)
 
        err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
        if (err)
-               return err;
+               return;
 
        gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
 
@@ -440,17 +537,17 @@ void __init n8x0_mmc_init(void)
                err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
                if (err) {
                        gpio_free(N8X0_SLOT_SWITCH_GPIO);
-                       return err;
+                       return;
                }
                gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
 
-               err = gpio_request(NN810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
+               err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
                if (err) {
                        gpio_free(N8X0_SLOT_SWITCH_GPIO);
                        gpio_free(N810_EMMC_VSD_GPIO);
-                       return err;
+                       return;
                }
-               gpio_direction_output(NN810_EMMC_VIO_GPIO, 0);
+               gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
        }
 
        mmc_data[0] = &mmc1_data;
@@ -562,6 +659,7 @@ static void __init n8x0_init_machine(void)
        n8x0_menelaus_init();
        n8x0_onenand_init();
        n8x0_mmc_init();
+       n8x0_usb_init();
 }
 
 MACHINE_START(NOKIA_N800, "Nokia N800")