arch/arm/dts/keystone-k2g-netcp.dtsi

   1 /*
   2  * Device Tree Source for K2G Netcp driver
   3  *
   4  * Copyright 2015 Texas Instruments, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 qmss: qmss@4020000 {
  12         compatible = "ti,keystone-navigator-qmss-l";
  13         dma-coherent;
  14         #address-cells = <1>;
  15         #size-cells = <1>;
  16         /* power-domains = <&k2g_pds K2G_DEV_NSS0>; */
  17         /* clocks = <&k2g_clks K2G_DEV_NSS0 K2G_DEV_NSS_VCLK>; */
  18         clock-names = "nss_vclk";
  19         ranges;
  20         queue-range     = <0 0x80>;
  21         linkram0        = <0x4020000 0x7ff>;
  22
  23         qmgrs {
  24                 #address-cells = <1>;
  25                 #size-cells = <1>;
  26                 ranges;
  27                 qmgr0 {
  28                         managed-queues = <0 0x80>;
  29                         reg = <0x4100000 0x800>,
  30                               <0x4040000 0x100>,
  31                               <0x4080000 0x800>,
  32                               <0x40c0000 0x800>;
  33                         reg-names = "peek", "config",
  34                                     "region", "push";
  35                 };
  36
  37         };
  38         queue-pools {
  39                 qpend {
  40                         qpend-0 {
  41                                 qrange = <77 8>;
  42                                 interrupts =<0 308 0xf04 0 309 0xf04 0 310 0xf04
  43                                              0 311 0xf04 0 312 0xf04 0 313 0xf04
  44                                              0 314 0xf04 0 315 0xf04>;
  45                                 qalloc-by-id;
  46                         };
  47                 };
  48                 general-purpose {
  49                         gp-0 {
  50                                 qrange = <112 8>;
  51                         };
  52                         netcp-tx {
  53                                 qrange = <5 8>;
  54                                 qalloc-by-id;
  55                         };
  56                 };
  57         };
  58
  59         descriptor-regions {
  60                 #address-cells = <1>;
  61                 #size-cells = <1>;
  62                 ranges;
  63                 region-12 {
  64                         id = <12>;
  65                         region-spec = <1023 128>; /* num_desc desc_size */
  66                         link-index = <0x400>;
  67                 };
  68         };
  69 }; /* qmss */
  70
  71 knav_dmas: knav_dmas@0 {
  72         compatible = "ti,keystone-navigator-dma";
  73         #address-cells = <1>;
  74         #size-cells = <1>;
  75         /* power-domains = <&k2g_pds K2G_DEV_NSS0>; */
  76         /* clocks = <&k2g_clks K2G_DEV_NSS0 K2G_DEV_NSS_VCLK>; */
  77         clock-names = "nss_vclk";
  78         ranges;
  79         ti,navigator-cloud-address = <0x40c0000 0x40c0000 0x40c0000 0x40c0000>;
  80
  81         dma_gbe: dma_gbe@0 {
  82                 reg = <0x4010000 0x100>,
  83                           <0x4011000 0x2a0>, /* 21 Tx channels */
  84                           <0x4012000 0x400>, /* 32 Rx channels */
  85                           <0x4010100 0x80>,
  86                           <0x4013000 0x400>; /* 32 Rx flows */
  87                 reg-names = "global", "txchan", "rxchan",
  88                                 "txsched", "rxflow";
  89         };
  90
  91 };
  92
  93 gbe_subsys: subsys@4200000 {
  94         compatible = "syscon";
  95         reg = <0x4200000 0x100>;
  96 };
  97
  98 netcp: netcp@4000000 {
  99         reg = <0x2620110 0x8>;
 100         reg-names = "efuse";
 101         compatible = "ti,netcp-1.0";
 102         status = "disabled";
 103         #address-cells = <1>;
 104         #size-cells = <1>;
 105         /* power-domains = <&k2g_pds K2G_DEV_NSS0>; */
 106         /* clocks = <&k2g_clks K2G_DEV_NSS0 K2G_DEV_NSS_ESW_CLK>; */
 107         clock-names = "ethss_clk";
 108
 109         /* NetCP address range */
 110         ranges = <0 0x4000000 0x1000000>;
 111
 112         dma-coherent;
 113
 114         ti,navigator-dmas = <&dma_gbe 0>, <&dma_gbe 5>;
 115         ti,navigator-dma-names = "netrx0", "nettx";
 116
 117         netcp-devices {
 118                 #address-cells = <1>;
 119                 #size-cells = <1>;
 120                 ranges;
 121                 gbe@200000 {
 122                         label = "netcp-gbe";
 123                         compatible = "ti,netcp-gbe-2";
 124                         syscon-subsys = <&gbe_subsys>;
 125                         reg = <0x200100 0xe00>, <0x220000 0x20000>;
 126                         /* enable-ale; */
 127                         tx-queue = <5>;
 128                         tx-channel = "nettx";
 129
 130                         interfaces {
 131                                 gbe0: interface-0 {
 132                                         slave-port = <0>;
 133                                         link-interface  = <5>;
 134                                 };
 135                         };
 136                 };
 137         };
 138
 139         netcp-interfaces {
 140                 interface-0 {
 141                         rx-channel = "netrx0";
 142                         rx-pool = <512 12>;
 143                         tx-pool = <511 12>;
 144                         rx-queue-depth = <128 128 0 0>;
 145                         rx-buffer-size = <1518 4096 0 0>;
 146                         rx-queue = <77>;
 147                         tx-completion-queue = <78>;
 148                         efuse-mac = <1>;
 149                         netcp-gbe = <&gbe0>;
 150                 };
 151         };
 152 };