MIPS: OCTEON: Supply OCTEON+ USB nodes in internal device trees.

[mirror_ubuntu-artful-kernel.git] / arch / mips / cavium-octeon / executive / cvmx-helper-board.c

diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
index 0a1283ce47f549d2fa8be1df16d42a83c8bc3ffd..b764df64be4093bf1c211ed77897fa0484f3eb5d 100644 (file)
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
@@ -722,3 +722,30 @@ int __cvmx_helper_board_hardware_enable(int interface)
        }
        return 0;
 }
+
+/**
+ * Get the clock type used for the USB block based on board type.
+ * Used by the USB code for auto configuration of clock type.
+ *
+ * Return USB clock type enumeration
+ */
+enum cvmx_helper_board_usb_clock_types __cvmx_helper_board_usb_get_clock_type(void)
+{
+       switch (cvmx_sysinfo_get()->board_type) {
+       case CVMX_BOARD_TYPE_BBGW_REF:
+       case CVMX_BOARD_TYPE_LANAI2_A:
+       case CVMX_BOARD_TYPE_LANAI2_U:
+       case CVMX_BOARD_TYPE_LANAI2_G:
+       case CVMX_BOARD_TYPE_NIC10E_66:
+       case CVMX_BOARD_TYPE_UBNT_E100:
+               return USB_CLOCK_TYPE_CRYSTAL_12;
+       case CVMX_BOARD_TYPE_NIC10E:
+               return USB_CLOCK_TYPE_REF_12;
+       default:
+               break;
+       }
+       /* Most boards except NIC10e use a 12MHz crystal */
+       if (OCTEON_IS_MODEL(OCTEON_FAM_2))
+               return USB_CLOCK_TYPE_CRYSTAL_12;
+       return USB_CLOCK_TYPE_REF_48;
+}