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         ocp@f1000000 {
  29                 pinctrl: pin-controller@10000 {
  30                         pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>;
  31                         pinctrl-names = "default";
  32
  33                         pmx_select28: pmx-select-rs232-rs485 {
  34                                 marvell,pins = "mpp28";
  35                                 marvell,function = "gpio";
  36                         };
  37                         pmx_sdio_cd: pmx-sdio-cd {
  38                                 marvell,pins = "mpp29";
  39                                 marvell,function = "gpio";
  40                         };
  41                         pmx_select34: pmx-select-uart-sd {
  42                                 marvell,pins = "mpp34";
  43                                 marvell,function = "gpio";
  44                         };
  45                 };
  46                 serial@12000 {
  47                         status = "okay";
  48
  49                 };
  50                 sata@80000 {
  51                         status = "okay";
  52                         nr-ports = <2>;
  53                 };
  54                 mvsdio@90000 {
  55                         status = "okay";
  56                         cd-gpios = <&gpio0 29 9>;
  57                 };
  58                 gpio@10100 {
  59                         p28 {
  60                                 gpio-hog;
  61                                 gpios = <28 GPIO_ACTIVE_HIGH>;
  62                                 /*
  63                                  * SelRS232or485 selects between RS-232 or RS-485
  64                                  * mode for the second UART.
  65                                  *
  66                                  * Low: RS-232
  67                                  * High: RS-485
  68                                  *
  69                                  * To use the second UART, you need to change also
  70                                  * the SelUARTorSD.
  71                                  */
  72                                 output-low;
  73                                 line-name = "SelRS232or485";
  74                         };
  75                 };
  76                 gpio@10140 {
  77                         p2 {
  78                                 gpio-hog;
  79                                 gpios = <2 GPIO_ACTIVE_HIGH>;
  80                                 /*
  81                                  * SelUARTorSD selects between the second UART
  82                                  * (serial@12100) and SD (mvsdio@90000).
  83                                  *
  84                                  * Low: UART
  85                                  * High: SD
  86                                  *
  87                                  * When changing this line make sure the newly
  88                                  * selected device node is enabled and the
  89                                  * previously selected device node is disabled.
  90                                  */
  91                                 output-high; /* Select SD by default */
  92                                 line-name = "SelUARTorSD";
  93                         };
  94                 };
  95         };
  96 };
  97
  98 &nand {
  99         status = "okay";
 100         pinctrl-0 = <&pmx_nand>;
 101         pinctrl-names = "default";
 102
 103         partition@0 {
 104                 label = "u-boot";
 105                 reg = <0x0000000 0x100000>;
 106         };
 107
 108         partition@100000 {
 109                 label = "uImage";
 110                 reg = <0x0100000 0x400000>;
 111         };
 112
 113         partition@600000 {
 114                 label = "root";
 115                 reg = <0x0600000 0x1FA00000>;
 116         };
 117 };
 118
 119 &pcie0 {
 120         status = "okay";
 121 };