arch/arm/boot/dts/intel-ixp42x-linksys-wrv54g.dts

   1 // SPDX-License-Identifier: ISC
   2 /*
   3  * Device Tree file for the Linksys WRV54G router
   4  * Also known as Gemtek GTWX5715
   5  * Based on a board file by George T. Joseph and other patches.
   6  * This machine is based on IXP425.
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "intel-ixp42x.dtsi"
  12 #include <dt-bindings/input/input.h>
  13
  14 / {
  15         model = "Linksys WRV54G / Gemtek GTWX5715";
  16         compatible = "linksys,wrv54g", "gemtek,gtwx5715", "intel,ixp42x";
  17         #address-cells = <1>;
  18         #size-cells = <1>;
  19
  20         memory@0 {
  21                 /* 32 MB memory */
  22                 device_type = "memory";
  23                 reg = <0x00000000 0x2000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=ttyS0,115200n8";
  28                 stdout-path = "uart1:115200n8";
  29         };
  30
  31         aliases {
  32                 /* UART2 is the primary console */
  33                 serial0 = &uart1;
  34                 serial1 = &uart0;
  35         };
  36
  37         /* There is an unpopulated LED slot (3) connected to GPIO 8 */
  38         leds {
  39                 compatible = "gpio-leds";
  40                 led-power {
  41                         label = "wrv54g:yellow:power";
  42                         gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
  43                         default-state = "on";
  44                         linux,default-trigger = "heartbeat";
  45                 };
  46                 led-wireless {
  47                         label = "wrv54g:yellow:wireless";
  48                         gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
  49                         default-state = "on";
  50                 };
  51                 led-internet {
  52                         label = "wrv54g:yellow:internet";
  53                         gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
  54                         default-state = "on";
  55                 };
  56                 led-dmz {
  57                         label = "wrv54g:green:dmz";
  58                         gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
  59                         default-state = "on";
  60                 };
  61         };
  62
  63         /* This set-up comes from an OpenWrt patch */
  64         spi {
  65                 compatible = "spi-gpio";
  66                 #address-cells = <1>;
  67                 #size-cells = <0>;
  68
  69                 sck-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  70                 miso-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  71                 mosi-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
  72                 cs-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
  73                 num-chipselects = <1>;
  74
  75                 switch@0 {
  76                         compatible = "micrel,ks8995";
  77                         reg = <0>;
  78                         spi-max-frequency = <50000000>;
  79                 };
  80         };
  81
  82         soc {
  83                 bus@c4000000 {
  84                         flash@0,0 {
  85                                 compatible = "intel,ixp4xx-flash", "cfi-flash";
  86                                 bank-width = <2>;
  87                                 /* Enable writes on the expansion bus */
  88                                 intel,ixp4xx-eb-write-enable = <1>;
  89                                 /* 8 MB of Flash mapped in at CS0 */
  90                                 reg = <0 0x00000000 0x00800000>;
  91
  92                                 partitions {
  93                                         compatible = "fixed-partitions";
  94                                         /*
  95                                          * Partition info from a boot log
  96                                          * CHECKME: not using redboot? FIS index 0x3f @7e00000?
  97                                          */
  98                                         #address-cells = <1>;
  99                                         #size-cells = <1>;
 100                                         partition@0 {
 101                                                 label = "boot";
 102                                                 reg = <0x0 0x140000>;
 103                                                 read-only;
 104                                         };
 105                                         partition@140000 {
 106                                                 label = "linux";
 107                                                 reg = <0x140000 0x100000>;
 108                                                 read-only;
 109                                         };
 110                                         partition@240000 {
 111                                                 label = "root";
 112                                                 reg = <0x240000 0x480000>;
 113                                                 read-write;
 114                                         };
 115                                 };
 116                         };
 117                 };
 118
 119                 pci@c0000000 {
 120                         status = "ok";
 121
 122                         /*
 123                          * We have up to 2 slots (IDSEL) with 2 swizzled IRQs.
 124                          * Derived from the GTWX5715 PCI boardfile.
 125                          */
 126                         interrupt-map =
 127                         /* IDSEL 0 */
 128                         <0x0000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 0 is irq 10 */
 129                         <0x0000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 0 is irq 11 */
 130                         /* IDSEL 1 */
 131                         <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
 132                         <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>; /* INT B on slot 1 is irq 10 */
 133                 };
 134
 135                 /*
 136                  * EthB - connected to the KS8995 switch ports 1-4
 137                  * FIXME: the boardfile defines .phy_mask = 0x1e for this port to enable output to
 138                  * all four switch ports, also using an out of tree multiphy patch.
 139                  * Do we need a new binding and property for this?
 140                  */
 141                 ethernet@c8009000 {
 142                         status = "ok";
 143                         queue-rx = <&qmgr 3>;
 144                         queue-txready = <&qmgr 20>;
 145                         phy-mode = "rgmii";
 146                         phy-handle = <&phy4>;
 147
 148                         mdio {
 149                                 #address-cells = <1>;
 150                                 #size-cells = <0>;
 151
 152                                 /* Should be ports 1-4 on the KS8995 switch */
 153                                 phy4: ethernet-phy@4 {
 154                                         reg = <4>;
 155                                 };
 156
 157                                 /* Should be port 5 on the KS8995 switch */
 158                                 phy5: ethernet-phy@5 {
 159                                         reg = <5>;
 160                                 };
 161                         };
 162                 };
 163
 164                 /* EthC - connected to KS8995 switch port 5 */
 165                 ethernet@c800a000 {
 166                         status = "ok";
 167                         queue-rx = <&qmgr 4>;
 168                         queue-txready = <&qmgr 21>;
 169                         phy-mode = "rgmii";
 170                         phy-handle = <&phy5>;
 171                 };
 172         };
 173 };