Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[firefly-linux-kernel-4.4.55.git] / arch / mips / cavium-octeon / octeon-platform.c
index 1830874ff1e24e4ddab1150e438edbb6342cc000..6df0f4d8f197a867f3dd80befb9fb00a4b8ca4a8 100644 (file)
@@ -171,6 +171,7 @@ device_initcall(octeon_ohci_device_init);
 static struct of_device_id __initdata octeon_ids[] = {
        { .compatible = "simple-bus", },
        { .compatible = "cavium,octeon-6335-uctl", },
+       { .compatible = "cavium,octeon-5750-usbn", },
        { .compatible = "cavium,octeon-3860-bootbus", },
        { .compatible = "cavium,mdio-mux", },
        { .compatible = "gpio-leds", },
@@ -336,14 +337,14 @@ static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac)
        int p;
        int count = 0;
 
-       if (cvmx_helper_interface_enumerate(idx) == 0)
-               count = cvmx_helper_ports_on_interface(idx);
-
        snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx);
        iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer);
        if (iface < 0)
                return;
 
+       if (cvmx_helper_interface_enumerate(idx) == 0)
+               count = cvmx_helper_ports_on_interface(idx);
+
        for (p = 0; p < 16; p++)
                octeon_fdt_pip_port(iface, idx, p, count - 1, pmac);
 }
@@ -682,6 +683,37 @@ end_led:
                }
        }
 
+       /* DWC2 USB */
+       alias_prop = fdt_getprop(initial_boot_params, aliases,
+                                "usbn", NULL);
+       if (alias_prop) {
+               int usbn = fdt_path_offset(initial_boot_params, alias_prop);
+
+               if (usbn >= 0 && (current_cpu_type() == CPU_CAVIUM_OCTEON2 ||
+                                 !octeon_has_feature(OCTEON_FEATURE_USB))) {
+                       pr_debug("Deleting usbn\n");
+                       fdt_nop_node(initial_boot_params, usbn);
+                       fdt_nop_property(initial_boot_params, aliases, "usbn");
+               } else  {
+                       __be32 new_f[1];
+                       enum cvmx_helper_board_usb_clock_types c;
+                       c = __cvmx_helper_board_usb_get_clock_type();
+                       switch (c) {
+                       case USB_CLOCK_TYPE_REF_48:
+                               new_f[0] = cpu_to_be32(48000000);
+                               fdt_setprop_inplace(initial_boot_params, usbn,
+                                                   "refclk-frequency",  new_f, sizeof(new_f));
+                               /* Fall through ...*/
+                       case USB_CLOCK_TYPE_REF_12:
+                               /* Missing "refclk-type" defaults to external. */
+                               fdt_nop_property(initial_boot_params, usbn, "refclk-type");
+                               break;
+                       default:
+                               break;
+                       }
+               }
+       }
+
        return 0;
 }