===================================================================
@@ -36,12 +36,15 @@
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/rcar-du.h>
+#include <linux/platform_data/usb-rcar-gen2-phy.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/gpio-regulator.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
+#include <linux/usb/phy.h>
+#include <linux/usb/renesas_usbhs.h>
#include <linux/spi/flash.h>
#include <linux/spi/rspi.h>
#include <linux/spi/spi.h>
@@ -367,6 +370,168 @@
DEFINE_RES_IRQ(gic_spi(168)),
};
+/* USBHS */
+static const struct resource usbhs_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6590000, 0x100),
+ DEFINE_RES_IRQ(gic_spi(107)),
+};
+
+struct usbhs_private {
+ struct renesas_usbhs_platform_info info;
+ struct usb_phy *phy;
+};
+
+#define usbhs_get_priv(pdev) \
+ container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
+
+static int usbhs_power_ctrl(struct platform_device *pdev,
+ void __iomem *base, int enable)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+ if (!priv->phy)
+ return -ENODEV;
+
+ if (enable) {
+ int retval = usb_phy_init(priv->phy);
+
+ if (!retval)
+ retval = usb_phy_set_suspend(priv->phy, 0);
+ return retval;
+ }
+
+ usb_phy_set_suspend(priv->phy, 1);
+ usb_phy_shutdown(priv->phy);
+ return 0;
+}
+
+static int usbhs_hardware_init(struct platform_device *pdev)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+ struct usb_phy *phy;
+ int ret;
+
+ /* Check MAX3355E ID pin */
+ gpio_request_one(RCAR_GP_PIN(5, 31), GPIOF_IN, NULL);
+ if (!gpio_get_value(RCAR_GP_PIN(5, 31))) {
+ pr_warn("Error: USB0 cable selects host mode\n");
+ ret = -ENOTSUPP;
+ goto error;
+ }
+
+ phy = usb_get_phy_dev(&pdev->dev, 0);
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ priv->phy = phy;
+ return 0;
+
+error:
+ gpio_free(RCAR_GP_PIN(5, 31));
+ return ret;
+}
+
+static int usbhs_hardware_exit(struct platform_device *pdev)
+{
+ struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+ if (!priv->phy)
+ return 0;
+
+ usb_put_phy(priv->phy);
+ priv->phy = NULL;
+
+ gpio_free(RCAR_GP_PIN(5, 31));
+ return 0;
+}
+
+static int usbhs_get_id(struct platform_device *pdev)
+{
+ return USBHS_GADGET;
+}
+
+static u32 koelsch_usbhs_pipe_type[] = {
+ USB_ENDPOINT_XFER_CONTROL,
+ USB_ENDPOINT_XFER_ISOC,
+ USB_ENDPOINT_XFER_ISOC,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_INT,
+ USB_ENDPOINT_XFER_INT,
+ USB_ENDPOINT_XFER_INT,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+ USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usbhs_private usbhs_priv __initdata = {
+ .info = {
+ .platform_callback = {
+ .power_ctrl = usbhs_power_ctrl,
+ .hardware_init = usbhs_hardware_init,
+ .hardware_exit = usbhs_hardware_exit,
+ .get_id = usbhs_get_id,
+ },
+ .driver_param = {
+ .buswait_bwait = 4,
+ .pipe_type = koelsch_usbhs_pipe_type,
+ .pipe_size = ARRAY_SIZE(koelsch_usbhs_pipe_type),
+ },
+ }
+};
+
+static void __init koelsch_add_usb0_gadget(void)
+{
+ usb_bind_phy("renesas_usbhs", 0, "usb_phy_rcar_gen2");
+ platform_device_register_resndata(&platform_bus,
+ "renesas_usbhs", -1,
+ usbhs_resources,
+ ARRAY_SIZE(usbhs_resources),
+ &usbhs_priv.info,
+ sizeof(usbhs_priv.info));
+}
+
+/* Internal PCI1 */
+static const struct resource pci1_resources[] __initconst = {
+ DEFINE_RES_MEM(0xee0d0000, 0x10000), /* CFG */
+ DEFINE_RES_MEM(0xee0c0000, 0x10000), /* MEM */
+ DEFINE_RES_IRQ(gic_spi(113)),
+};
+
+static void __init koelsch_add_usb1_host(void)
+{
+ platform_device_register_simple("pci-rcar-gen2",
+ 1, pci1_resources,
+ ARRAY_SIZE(pci1_resources));
+}
+
+/* USBHS PHY */
+static const struct rcar_gen2_phy_platform_data usbhs_phy_pdata __initconst = {
+ .chan0_pci = 0, /* Channel 0 is USBHS */
+ .chan2_pci = 1, /* Channel 2 is PCI USB host */
+};
+
+static const struct resource usbhs_phy_resources[] __initconst = {
+ DEFINE_RES_MEM(0xe6590100, 0x100),
+};
+
+/* Add all available USB devices */
+static void __init koelsch_add_usb_devices(void)
+{
+ platform_device_register_resndata(&platform_bus, "usb_phy_rcar_gen2",
+ -1, usbhs_phy_resources,
+ ARRAY_SIZE(usbhs_phy_resources),
+ &usbhs_phy_pdata,
+ sizeof(usbhs_phy_pdata));
+ koelsch_add_usb0_gadget();
+ koelsch_add_usb1_host();
+}
+
static const struct pinctrl_map koelsch_pinctrl_map[] = {
/* DU */
PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
@@ -429,6 +594,12 @@
"sdhi2_ctrl", "sdhi2"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
"sdhi2_cd", "sdhi2"),
+ /* USB0 */
+ PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7791",
+ "usb0", "usb0"),
+ /* USB1 */
+ PIN_MAP_MUX_GROUP_DEFAULT("pci-rcar-gen2.1", "pfc-r8a7791",
+ "usb1", "usb1"),
};
static void __init koelsch_add_standard_devices(void)
@@ -485,6 +656,7 @@
sdhi2_resources, ARRAY_SIZE(sdhi2_resources),
&sdhi2_info, sizeof(struct sh_mobile_sdhi_info));
+ koelsch_add_usb_devices();
}
/*