Enable cpts hardware time stamping for Dra7xx and AM4372.
This enables PTPv2 for DRA7xx and AM4372.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        struct hwtstamp_config cfg;
 
        if (priv->version != CPSW_VERSION_1 &&
-           priv->version != CPSW_VERSION_2)
+           priv->version != CPSW_VERSION_2 &&
+           priv->version != CPSW_VERSION_3)
                return -EOPNOTSUPP;
 
        if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
                cpsw_hwtstamp_v1(priv);
                break;
        case CPSW_VERSION_2:
+       case CPSW_VERSION_3:
                cpsw_hwtstamp_v2(priv);
                break;
        default:
        struct hwtstamp_config cfg;
 
        if (priv->version != CPSW_VERSION_1 &&
-           priv->version != CPSW_VERSION_2)
+           priv->version != CPSW_VERSION_2 &&
+           priv->version != CPSW_VERSION_3)
                return -EOPNOTSUPP;
 
        cfg.flags = 0;