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@@ -126,7 +126,7 @@
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* ------+--------------------+--------------------+-------
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* IRQ0 | ICR1A.IRQ0SA=0010 | SDHI2 card detect | Low
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* IRQ6 | ICR1A.IRQ6SA=0011 | Ether(LAN9220) | High
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- * IRQ7 | ICR1A.IRQ7SA=0010 | LCD Tuch Panel | Low
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+ * IRQ7 | ICR1A.IRQ7SA=0010 | LCD Touch Panel | Low
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* IRQ8 | ICR2A.IRQ8SA=0010 | MMC/SD card detect | Low
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* IRQ9 | ICR2A.IRQ9SA=0010 | KEY(TCA6408) | Low
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* IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345) | High
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@@ -165,10 +165,10 @@
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* USB1 can become Host by r8a66597, and become Function by renesas_usbhs.
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* But don't select both drivers in same time.
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* These uses same IRQ number for request_irq(), and aren't supporting
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- * IRQF_SHARD / IORESOURCE_IRQ_SHAREABLE.
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+ * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE.
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*
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* Actually these are old/new version of USB driver.
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- * This mean its register will be broken if it supports SHARD IRQ,
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+ * This mean its register will be broken if it supports shared IRQ,
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*/
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/*
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@@ -562,7 +562,121 @@ out:
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clk_put(hdmi_ick);
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}
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-/* USB1 (Host) */
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+/* USBHS0 is connected to CN22 which takes a USB Mini-B plug
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+ *
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+ * The sh7372 SoC has IRQ7 set aside for USBHS0 hotplug,
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+ * but on this particular board IRQ7 is already used by
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+ * the touch screen. This leaves us with software polling.
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+ */
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+#define USBHS0_POLL_INTERVAL (HZ * 5)
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+
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+struct usbhs_private {
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+ unsigned int usbphyaddr;
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+ unsigned int usbcrcaddr;
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+ struct renesas_usbhs_platform_info info;
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+ struct delayed_work work;
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+ struct platform_device *pdev;
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+};
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+
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+#define usbhs_get_priv(pdev) \
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+ container_of(renesas_usbhs_get_info(pdev), \
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+ struct usbhs_private, info)
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+
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+#define usbhs_is_connected(priv) \
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+ (!((1 << 7) & __raw_readw(priv->usbcrcaddr)))
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+
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+static int usbhs_get_vbus(struct platform_device *pdev)
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+{
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+ return usbhs_is_connected(usbhs_get_priv(pdev));
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+}
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+
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+static void usbhs_phy_reset(struct platform_device *pdev)
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+{
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+ struct usbhs_private *priv = usbhs_get_priv(pdev);
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+
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+ /* init phy */
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+ __raw_writew(0x8a0a, priv->usbcrcaddr);
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+}
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+
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+static int usbhs0_get_id(struct platform_device *pdev)
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+{
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+ return USBHS_GADGET;
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+}
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+
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+static void usbhs0_work_function(struct work_struct *work)
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+{
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+ struct usbhs_private *priv = container_of(work, struct usbhs_private,
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+ work.work);
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+
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+ renesas_usbhs_call_notify_hotplug(priv->pdev);
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+ schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
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+}
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+
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+static int usbhs0_hardware_init(struct platform_device *pdev)
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+{
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+ struct usbhs_private *priv = usbhs_get_priv(pdev);
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+
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+ priv->pdev = pdev;
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+ INIT_DELAYED_WORK(&priv->work, usbhs0_work_function);
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+ schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
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+ return 0;
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+}
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+
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+static void usbhs0_hardware_exit(struct platform_device *pdev)
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+{
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+ struct usbhs_private *priv = usbhs_get_priv(pdev);
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+
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+ cancel_delayed_work_sync(&priv->work);
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+}
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+
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+static struct usbhs_private usbhs0_private = {
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+ .usbcrcaddr = 0xe605810c, /* USBCR2 */
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+ .info = {
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+ .platform_callback = {
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+ .hardware_init = usbhs0_hardware_init,
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+ .hardware_exit = usbhs0_hardware_exit,
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+ .phy_reset = usbhs_phy_reset,
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+ .get_id = usbhs0_get_id,
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+ .get_vbus = usbhs_get_vbus,
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+ },
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+ .driver_param = {
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+ .buswait_bwait = 4,
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+ },
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+ },
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+};
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+
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+static struct resource usbhs0_resources[] = {
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+ [0] = {
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+ .name = "USBHS0",
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+ .start = 0xe6890000,
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+ .end = 0xe68900e6 - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .start = evt2irq(0x1ca0) /* USB0_USB0I0 */,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct platform_device usbhs0_device = {
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+ .name = "renesas_usbhs",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &usbhs0_private.info,
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+ },
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+ .num_resources = ARRAY_SIZE(usbhs0_resources),
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+ .resource = usbhs0_resources,
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+};
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+
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+/* USBHS1 is connected to CN31 which takes a USB Mini-AB plug
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+ *
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+ * Use J30 to select between Host and Function. This setting
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+ * can however not be detected by software. Hotplug of USBHS1
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+ * is provided via IRQ8.
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+ */
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+#define IRQ8 evt2irq(0x0300)
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+
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+/* USBHS1 USB Host support via r8a66597_hcd */
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static void usb1_host_port_power(int port, int power)
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{
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if (!power) /* only power-on is supported for now */
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@@ -579,9 +693,9 @@ static struct r8a66597_platdata usb1_host_data = {
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static struct resource usb1_host_resources[] = {
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[0] = {
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- .name = "USBHS",
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- .start = 0xE68B0000,
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- .end = 0xE68B00E6 - 1,
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+ .name = "USBHS1",
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+ .start = 0xe68b0000,
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+ .end = 0xe68b00e6 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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@@ -602,37 +716,14 @@ static struct platform_device usb1_host_device = {
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.resource = usb1_host_resources,
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};
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-/* USB1 (Function) */
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+/* USBHS1 USB Function support via renesas_usbhs */
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+
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#define USB_PHY_MODE (1 << 4)
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#define USB_PHY_INT_EN ((1 << 3) | (1 << 2))
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#define USB_PHY_ON (1 << 1)
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#define USB_PHY_OFF (1 << 0)
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#define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF)
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-struct usbhs_private {
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- unsigned int irq;
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- unsigned int usbphyaddr;
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- unsigned int usbcrcaddr;
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- struct renesas_usbhs_platform_info info;
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-};
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-
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-#define usbhs_get_priv(pdev) \
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- container_of(renesas_usbhs_get_info(pdev), \
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- struct usbhs_private, info)
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-
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-#define usbhs_is_connected(priv) \
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- (!((1 << 7) & __raw_readw(priv->usbcrcaddr)))
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-
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-static int usbhs1_get_id(struct platform_device *pdev)
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-{
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- return USBHS_GADGET;
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-}
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-
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-static int usbhs1_get_vbus(struct platform_device *pdev)
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-{
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- return usbhs_is_connected(usbhs_get_priv(pdev));
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-}
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-
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static irqreturn_t usbhs1_interrupt(int irq, void *data)
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{
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struct platform_device *pdev = data;
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@@ -654,12 +745,10 @@ static int usbhs1_hardware_init(struct platform_device *pdev)
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struct usbhs_private *priv = usbhs_get_priv(pdev);
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int ret;
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- irq_set_irq_type(priv->irq, IRQ_TYPE_LEVEL_HIGH);
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-
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/* clear interrupt status */
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__raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);
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- ret = request_irq(priv->irq, usbhs1_interrupt, 0,
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+ ret = request_irq(IRQ8, usbhs1_interrupt, IRQF_TRIGGER_HIGH,
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dev_name(&pdev->dev), pdev);
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if (ret) {
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dev_err(&pdev->dev, "request_irq err\n");
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@@ -679,15 +768,12 @@ static void usbhs1_hardware_exit(struct platform_device *pdev)
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/* clear interrupt status */
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__raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);
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- free_irq(priv->irq, pdev);
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+ free_irq(IRQ8, pdev);
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}
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-static void usbhs1_phy_reset(struct platform_device *pdev)
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+static int usbhs1_get_id(struct platform_device *pdev)
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{
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- struct usbhs_private *priv = usbhs_get_priv(pdev);
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-
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- /* init phy */
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- __raw_writew(0x8a0a, priv->usbcrcaddr);
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+ return USBHS_GADGET;
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}
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static u32 usbhs1_pipe_cfg[] = {
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@@ -710,16 +796,15 @@ static u32 usbhs1_pipe_cfg[] = {
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};
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static struct usbhs_private usbhs1_private = {
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- .irq = evt2irq(0x0300), /* IRQ8 */
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- .usbphyaddr = 0xE60581E2, /* USBPHY1INTAP */
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- .usbcrcaddr = 0xE6058130, /* USBCR4 */
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+ .usbphyaddr = 0xe60581e2, /* USBPHY1INTAP */
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+ .usbcrcaddr = 0xe6058130, /* USBCR4 */
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.info = {
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.platform_callback = {
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.hardware_init = usbhs1_hardware_init,
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.hardware_exit = usbhs1_hardware_exit,
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- .phy_reset = usbhs1_phy_reset,
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.get_id = usbhs1_get_id,
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- .get_vbus = usbhs1_get_vbus,
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+ .phy_reset = usbhs_phy_reset,
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+ .get_vbus = usbhs_get_vbus,
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},
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.driver_param = {
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.buswait_bwait = 4,
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@@ -731,9 +816,9 @@ static struct usbhs_private usbhs1_private = {
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static struct resource usbhs1_resources[] = {
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[0] = {
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- .name = "USBHS",
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- .start = 0xE68B0000,
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- .end = 0xE68B00E6 - 1,
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+ .name = "USBHS1",
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+ .start = 0xe68b0000,
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+ .end = 0xe68b00e6 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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@@ -752,7 +837,6 @@ static struct platform_device usbhs1_device = {
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.resource = usbhs1_resources,
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};
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-
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/* LED */
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static struct gpio_led mackerel_leds[] = {
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{
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@@ -1203,6 +1287,7 @@ static struct platform_device *mackerel_devices[] __initdata = {
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&nor_flash_device,
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&smc911x_device,
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&lcdc_device,
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+ &usbhs0_device,
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&usb1_host_device,
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&usbhs1_device,
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&leds_device,
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@@ -1301,6 +1386,7 @@ static void __init mackerel_map_io(void)
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#define GPIO_PORT9CR 0xE6051009
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#define GPIO_PORT10CR 0xE605100A
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+#define GPIO_PORT167CR 0xE60520A7
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#define GPIO_PORT168CR 0xE60520A8
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#define SRCR4 0xe61580bc
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#define USCCR1 0xE6058144
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@@ -1354,17 +1440,17 @@ static void __init mackerel_init(void)
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gpio_request(GPIO_PORT151, NULL); /* LCDDON */
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gpio_direction_output(GPIO_PORT151, 1);
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- /* USB enable */
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- gpio_request(GPIO_FN_VBUS0_1, NULL);
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- gpio_request(GPIO_FN_IDIN_1_18, NULL);
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- gpio_request(GPIO_FN_PWEN_1_115, NULL);
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- gpio_request(GPIO_FN_OVCN_1_114, NULL);
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- gpio_request(GPIO_FN_EXTLP_1, NULL);
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- gpio_request(GPIO_FN_OVCN2_1, NULL);
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- gpio_pull_down(GPIO_PORT168CR);
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-
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- /* setup USB phy */
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- __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
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+ /* USBHS0 */
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+ gpio_request(GPIO_FN_VBUS0_0, NULL);
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+ gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */
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+
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+ /* USBHS1 */
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+ gpio_request(GPIO_FN_VBUS0_1, NULL);
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+ gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
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+ gpio_request(GPIO_FN_IDIN_1_113, NULL);
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+
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+ /* USB phy tweak to make the r8a66597_hcd host driver work */
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+ __raw_writew(0x8a0a, 0xe6058130); /* USBCR4 */
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/* enable FSI2 port A (ak4643) */
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gpio_request(GPIO_FN_FSIAIBT, NULL);
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