Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-2.6
[pandora-kernel.git] / arch / arm / mach-shmobile / board-mackerel.c
index 776f205..5b36b6c 100644 (file)
  * ------+--------------------+--------------------+-------
  * IRQ0  | ICR1A.IRQ0SA=0010  | SDHI2 card detect  | Low
  * IRQ6  | ICR1A.IRQ6SA=0011  | Ether(LAN9220)     | High
- * IRQ7  | ICR1A.IRQ7SA=0010  | LCD Tuch Panel     | Low
+ * IRQ7  | ICR1A.IRQ7SA=0010  | LCD Touch Panel    | Low
  * IRQ8  | ICR2A.IRQ8SA=0010  | MMC/SD card detect | Low
  * IRQ9  | ICR2A.IRQ9SA=0010  | KEY(TCA6408)       | Low
  * IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345)    | High
  * USB1 can become Host by r8a66597, and become Function by renesas_usbhs.
  * But don't select both drivers in same time.
  * These uses same IRQ number for request_irq(), and aren't supporting
- * IRQF_SHARD / IORESOURCE_IRQ_SHAREABLE.
+ * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE.
  *
  * Actually these are old/new version of USB driver.
- * This mean its register will be broken if it supports SHARD IRQ,
+ * This mean its register will be broken if it supports shared IRQ,
  */
 
 /*
@@ -562,7 +562,121 @@ out:
                clk_put(hdmi_ick);
 }
 
-/* USB1 (Host) */
+/* USBHS0 is connected to CN22 which takes a USB Mini-B plug
+ *
+ * The sh7372 SoC has IRQ7 set aside for USBHS0 hotplug,
+ * but on this particular board IRQ7 is already used by
+ * the touch screen. This leaves us with software polling.
+ */
+#define USBHS0_POLL_INTERVAL (HZ * 5)
+
+struct usbhs_private {
+       unsigned int usbphyaddr;
+       unsigned int usbcrcaddr;
+       struct renesas_usbhs_platform_info info;
+       struct delayed_work work;
+       struct platform_device *pdev;
+};
+
+#define usbhs_get_priv(pdev)                           \
+       container_of(renesas_usbhs_get_info(pdev),      \
+                    struct usbhs_private, info)
+
+#define usbhs_is_connected(priv)                       \
+       (!((1 << 7) & __raw_readw(priv->usbcrcaddr)))
+
+static int usbhs_get_vbus(struct platform_device *pdev)
+{
+       return usbhs_is_connected(usbhs_get_priv(pdev));
+}
+
+static void usbhs_phy_reset(struct platform_device *pdev)
+{
+       struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+       /* init phy */
+       __raw_writew(0x8a0a, priv->usbcrcaddr);
+}
+
+static int usbhs0_get_id(struct platform_device *pdev)
+{
+       return USBHS_GADGET;
+}
+
+static void usbhs0_work_function(struct work_struct *work)
+{
+       struct usbhs_private *priv = container_of(work, struct usbhs_private,
+                                                 work.work);
+
+       renesas_usbhs_call_notify_hotplug(priv->pdev);
+       schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
+}
+
+static int usbhs0_hardware_init(struct platform_device *pdev)
+{
+       struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+       priv->pdev = pdev;
+       INIT_DELAYED_WORK(&priv->work, usbhs0_work_function);
+       schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
+       return 0;
+}
+
+static void usbhs0_hardware_exit(struct platform_device *pdev)
+{
+       struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+       cancel_delayed_work_sync(&priv->work);
+}
+
+static struct usbhs_private usbhs0_private = {
+       .usbcrcaddr     = 0xe605810c,           /* USBCR2 */
+       .info = {
+               .platform_callback = {
+                       .hardware_init  = usbhs0_hardware_init,
+                       .hardware_exit  = usbhs0_hardware_exit,
+                       .phy_reset      = usbhs_phy_reset,
+                       .get_id         = usbhs0_get_id,
+                       .get_vbus       = usbhs_get_vbus,
+               },
+               .driver_param = {
+                       .buswait_bwait  = 4,
+               },
+       },
+};
+
+static struct resource usbhs0_resources[] = {
+       [0] = {
+               .name   = "USBHS0",
+               .start  = 0xe6890000,
+               .end    = 0xe68900e6 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = evt2irq(0x1ca0) /* USB0_USB0I0 */,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device usbhs0_device = {
+       .name   = "renesas_usbhs",
+       .id     = 0,
+       .dev = {
+               .platform_data          = &usbhs0_private.info,
+       },
+       .num_resources  = ARRAY_SIZE(usbhs0_resources),
+       .resource       = usbhs0_resources,
+};
+
+/* USBHS1 is connected to CN31 which takes a USB Mini-AB plug
+ *
+ * Use J30 to select between Host and Function. This setting
+ * can however not be detected by software. Hotplug of USBHS1
+ * is provided via IRQ8.
+ */
+#define IRQ8 evt2irq(0x0300)
+
+/* USBHS1 USB Host support via r8a66597_hcd */
 static void usb1_host_port_power(int port, int power)
 {
        if (!power) /* only power-on is supported for now */
@@ -579,9 +693,9 @@ static struct r8a66597_platdata usb1_host_data = {
 
 static struct resource usb1_host_resources[] = {
        [0] = {
-               .name   = "USBHS",
-               .start  = 0xE68B0000,
-               .end    = 0xE68B00E6 - 1,
+               .name   = "USBHS1",
+               .start  = 0xe68b0000,
+               .end    = 0xe68b00e6 - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
@@ -602,37 +716,14 @@ static struct platform_device usb1_host_device = {
        .resource       = usb1_host_resources,
 };
 
-/* USB1 (Function) */
+/* USBHS1 USB Function support via renesas_usbhs */
+
 #define USB_PHY_MODE           (1 << 4)
 #define USB_PHY_INT_EN         ((1 << 3) | (1 << 2))
 #define USB_PHY_ON             (1 << 1)
 #define USB_PHY_OFF            (1 << 0)
 #define USB_PHY_INT_CLR                (USB_PHY_ON | USB_PHY_OFF)
 
-struct usbhs_private {
-       unsigned int irq;
-       unsigned int usbphyaddr;
-       unsigned int usbcrcaddr;
-       struct renesas_usbhs_platform_info info;
-};
-
-#define usbhs_get_priv(pdev)                           \
-       container_of(renesas_usbhs_get_info(pdev),      \
-                    struct usbhs_private, info)
-
-#define usbhs_is_connected(priv)                       \
-       (!((1 << 7) & __raw_readw(priv->usbcrcaddr)))
-
-static int usbhs1_get_id(struct platform_device *pdev)
-{
-       return USBHS_GADGET;
-}
-
-static int usbhs1_get_vbus(struct platform_device *pdev)
-{
-       return usbhs_is_connected(usbhs_get_priv(pdev));
-}
-
 static irqreturn_t usbhs1_interrupt(int irq, void *data)
 {
        struct platform_device *pdev = data;
@@ -654,12 +745,10 @@ static int usbhs1_hardware_init(struct platform_device *pdev)
        struct usbhs_private *priv = usbhs_get_priv(pdev);
        int ret;
 
-       irq_set_irq_type(priv->irq, IRQ_TYPE_LEVEL_HIGH);
-
        /* clear interrupt status */
        __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);
 
-       ret = request_irq(priv->irq, usbhs1_interrupt, 0,
+       ret = request_irq(IRQ8, usbhs1_interrupt, IRQF_TRIGGER_HIGH,
                          dev_name(&pdev->dev), pdev);
        if (ret) {
                dev_err(&pdev->dev, "request_irq err\n");
@@ -679,15 +768,12 @@ static void usbhs1_hardware_exit(struct platform_device *pdev)
        /* clear interrupt status */
        __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);
 
-       free_irq(priv->irq, pdev);
+       free_irq(IRQ8, pdev);
 }
 
-static void usbhs1_phy_reset(struct platform_device *pdev)
+static int usbhs1_get_id(struct platform_device *pdev)
 {
-       struct usbhs_private *priv = usbhs_get_priv(pdev);
-
-       /* init phy */
-       __raw_writew(0x8a0a, priv->usbcrcaddr);
+       return USBHS_GADGET;
 }
 
 static u32 usbhs1_pipe_cfg[] = {
@@ -710,16 +796,15 @@ static u32 usbhs1_pipe_cfg[] = {
 };
 
 static struct usbhs_private usbhs1_private = {
-       .irq            = evt2irq(0x0300),      /* IRQ8 */
-       .usbphyaddr     = 0xE60581E2,           /* USBPHY1INTAP */
-       .usbcrcaddr     = 0xE6058130,           /* USBCR4 */
+       .usbphyaddr     = 0xe60581e2,           /* USBPHY1INTAP */
+       .usbcrcaddr     = 0xe6058130,           /* USBCR4 */
        .info = {
                .platform_callback = {
                        .hardware_init  = usbhs1_hardware_init,
                        .hardware_exit  = usbhs1_hardware_exit,
-                       .phy_reset      = usbhs1_phy_reset,
                        .get_id         = usbhs1_get_id,
-                       .get_vbus       = usbhs1_get_vbus,
+                       .phy_reset      = usbhs_phy_reset,
+                       .get_vbus       = usbhs_get_vbus,
                },
                .driver_param = {
                        .buswait_bwait  = 4,
@@ -731,9 +816,9 @@ static struct usbhs_private usbhs1_private = {
 
 static struct resource usbhs1_resources[] = {
        [0] = {
-               .name   = "USBHS",
-               .start  = 0xE68B0000,
-               .end    = 0xE68B00E6 - 1,
+               .name   = "USBHS1",
+               .start  = 0xe68b0000,
+               .end    = 0xe68b00e6 - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
@@ -752,7 +837,6 @@ static struct platform_device usbhs1_device = {
        .resource       = usbhs1_resources,
 };
 
-
 /* LED */
 static struct gpio_led mackerel_leds[] = {
        {
@@ -1205,6 +1289,7 @@ static struct platform_device *mackerel_devices[] __initdata = {
        &lcdc_device,
        &usb1_host_device,
        &usbhs1_device,
+       &usbhs0_device,
        &leds_device,
        &fsi_device,
        &fsi_ak4643_device,
@@ -1301,6 +1386,7 @@ static void __init mackerel_map_io(void)
 
 #define GPIO_PORT9CR   0xE6051009
 #define GPIO_PORT10CR  0xE605100A
+#define GPIO_PORT167CR 0xE60520A7
 #define GPIO_PORT168CR 0xE60520A8
 #define SRCR4          0xe61580bc
 #define USCCR1         0xE6058144
@@ -1354,17 +1440,17 @@ static void __init mackerel_init(void)
        gpio_request(GPIO_PORT151, NULL); /* LCDDON */
        gpio_direction_output(GPIO_PORT151, 1);
 
-       /* USB enable */
-       gpio_request(GPIO_FN_VBUS0_1,    NULL);
-       gpio_request(GPIO_FN_IDIN_1_18,  NULL);
-       gpio_request(GPIO_FN_PWEN_1_115, NULL);
-       gpio_request(GPIO_FN_OVCN_1_114, NULL);
-       gpio_request(GPIO_FN_EXTLP_1,    NULL);
-       gpio_request(GPIO_FN_OVCN2_1,    NULL);
-       gpio_pull_down(GPIO_PORT168CR);
+       /* USBHS0 */
+       gpio_request(GPIO_FN_VBUS0_0, NULL);
+       gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */
+
+       /* USBHS1 */
+       gpio_request(GPIO_FN_VBUS0_1, NULL);
+       gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
+       gpio_request(GPIO_FN_IDIN_1_113, NULL);
 
-       /* setup USB phy */
-       __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
+       /* USB phy tweak to make the r8a66597_hcd host driver work */
+       __raw_writew(0x8a0a, 0xe6058130);       /* USBCR4 */
 
        /* enable FSI2 port A (ak4643) */
        gpio_request(GPIO_FN_FSIAIBT,   NULL);
@@ -1496,8 +1582,13 @@ static void __init mackerel_init(void)
 
        platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
 
+       sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
+       sh7372_add_device_to_domain(&sh7372_a4lc, &hdmi_lcdc_device);
+       sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
+
        hdmi_init_pm_clock();
        sh7372_pm_init();
+       pm_clk_add(&fsi_device.dev, "spu2");
 }
 
 static void __init mackerel_timer_init(void)