arch/arm/boot/dts/kirkwood-openrd.dtsi

   1 /*
   2  * Marvell OpenRD (Base|Client|Ultimate) Board Description
   3  *
   4  * Andrew Lunn <andrew@lunn.ch>
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  *
  10  * This file contains the definitions that are common between the three
  11  * variants of the Marvell Kirkwood Development Board.
  12  */
  13
  14 #include "kirkwood.dtsi"
  15 #include "kirkwood-6281.dtsi"
  16
  17 / {
  18         memory {
  19                 device_type = "memory";
  20                 reg = <0x00000000 0x20000000>;
  21         };
  22
  23         chosen {
  24                 bootargs = "console=ttyS0,115200n8";
  25                 stdout-path = &uart0;
  26         };
  27
  28         mbus {
  29                 pcie-controller {
  30                         status = "okay";
  31
  32                         pcie@1,0 {
  33                                 status = "okay";
  34                         };
  35                 };
  36         };
  37
  38         ocp@f1000000 {
  39                 pinctrl: pin-controller@10000 {
  40                         pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>;
  41                         pinctrl-names = "default";
  42
  43                         pmx_select28: pmx-select-rs232-rs485 {
  44                                 marvell,pins = "mpp28";
  45                                 marvell,function = "gpio";
  46                         };
  47                         pmx_sdio_cd: pmx-sdio-cd {
  48                                 marvell,pins = "mpp29";
  49                                 marvell,function = "gpio";
  50                         };
  51                         pmx_select34: pmx-select-uart-sd {
  52                                 marvell,pins = "mpp34";
  53                                 marvell,function = "gpio";
  54                         };
  55                 };
  56                 serial@12000 {
  57                         status = "okay";
  58
  59                 };
  60                 sata@80000 {
  61                         status = "okay";
  62                         nr-ports = <2>;
  63                 };
  64                 mvsdio@90000 {
  65                         status = "okay";
  66                         cd-gpios = <&gpio0 29 9>;
  67                 };
  68                 gpio@10100 {
  69                         p28 {
  70                                 gpio-hog;
  71                                 gpios = <28 GPIO_ACTIVE_HIGH>;
  72                                 /*
  73                                  * SelRS232or485 selects between RS-232 or RS-485
  74                                  * mode for the second UART.
  75                                  *
  76                                  * Low: RS-232
  77                                  * High: RS-485
  78                                  *
  79                                  * To use the second UART, you need to change also
  80                                  * the SelUARTorSD.
  81                                  */
  82                                 output-low;
  83                                 line-name = "SelRS232or485";
  84                         };
  85                 };
  86                 gpio@10140 {
  87                         p2 {
  88                                 gpio-hog;
  89                                 gpios = <2 GPIO_ACTIVE_HIGH>;
  90                                 /*
  91                                  * SelUARTorSD selects between the second UART
  92                                  * (serial@12100) and SD (mvsdio@90000).
  93                                  *
  94                                  * Low: UART
  95                                  * High: SD
  96                                  *
  97                                  * When changing this line make sure the newly
  98                                  * selected device node is enabled and the
  99                                  * previously selected device node is disabled.
 100                                  */
 101                                 output-high; /* Select SD by default */
 102                                 line-name = "SelUARTorSD";
 103                         };
 104                 };
 105         };
 106 };
 107
 108 &nand {
 109         status = "okay";
 110         pinctrl-0 = <&pmx_nand>;
 111         pinctrl-names = "default";
 112
 113         partition@0 {
 114                 label = "u-boot";
 115                 reg = <0x0000000 0x100000>;
 116         };
 117
 118         partition@100000 {
 119                 label = "uImage";
 120                 reg = <0x0100000 0x400000>;
 121         };
 122
 123         partition@600000 {
 124                 label = "root";
 125                 reg = <0x0600000 0x1FA00000>;
 126         };
 127 };