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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Marvell OpenRD (Base|Client|Ultimate) Board Description
   4  *
   5  * Andrew Lunn <andrew@lunn.ch>
   6  *
   7  * This file contains the definitions that are common between the three
   8  * variants of the Marvell Kirkwood Development Board.
   9  */
  10
  11 #include "kirkwood.dtsi"
  12 #include "kirkwood-6281.dtsi"
  13
  14 / {
  15         memory {
  16                 device_type = "memory";
  17                 reg = <0x00000000 0x20000000>;
  18         };
  19
  20         chosen {
  21                 bootargs = "console=ttyS0,115200n8";
  22                 stdout-path = &uart0;
  23         };
  24
  25         ocp@f1000000 {
  26                 pinctrl: pin-controller@10000 {
  27                         pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>;
  28                         pinctrl-names = "default";
  29
  30                         pmx_select28: pmx-select-rs232-rs485 {
  31                                 marvell,pins = "mpp28";
  32                                 marvell,function = "gpio";
  33                         };
  34                         pmx_sdio_cd: pmx-sdio-cd {
  35                                 marvell,pins = "mpp29";
  36                                 marvell,function = "gpio";
  37                         };
  38                         pmx_select34: pmx-select-uart-sd {
  39                                 marvell,pins = "mpp34";
  40                                 marvell,function = "gpio";
  41                         };
  42                 };
  43                 serial@12000 {
  44                         status = "okay";
  45
  46                 };
  47                 sata@80000 {
  48                         status = "okay";
  49                         nr-ports = <2>;
  50                 };
  51                 mvsdio@90000 {
  52                         status = "okay";
  53                         cd-gpios = <&gpio0 29 9>;
  54                 };
  55                 gpio@10100 {
  56                         p28 {
  57                                 gpio-hog;
  58                                 gpios = <28 GPIO_ACTIVE_HIGH>;
  59                                 /*
  60                                  * SelRS232or485 selects between RS-232 or RS-485
  61                                  * mode for the second UART.
  62                                  *
  63                                  * Low: RS-232
  64                                  * High: RS-485
  65                                  *
  66                                  * To use the second UART, you need to change also
  67                                  * the SelUARTorSD.
  68                                  */
  69                                 output-low;
  70                                 line-name = "SelRS232or485";
  71                         };
  72                 };
  73                 gpio@10140 {
  74                         p2 {
  75                                 gpio-hog;
  76                                 gpios = <2 GPIO_ACTIVE_HIGH>;
  77                                 /*
  78                                  * SelUARTorSD selects between the second UART
  79                                  * (serial@12100) and SD (mvsdio@90000).
  80                                  *
  81                                  * Low: UART
  82                                  * High: SD
  83                                  *
  84                                  * When changing this line make sure the newly
  85                                  * selected device node is enabled and the
  86                                  * previously selected device node is disabled.
  87                                  */
  88                                 output-high; /* Select SD by default */
  89                                 line-name = "SelUARTorSD";
  90                         };
  91                 };
  92         };
  93 };
  94
  95 &nand {
  96         status = "okay";
  97         pinctrl-0 = <&pmx_nand>;
  98         pinctrl-names = "default";
  99
 100         partition@0 {
 101                 label = "u-boot";
 102                 reg = <0x0000000 0x100000>;
 103         };
 104
 105         partition@100000 {
 106                 label = "uImage";
 107                 reg = <0x0100000 0x400000>;
 108         };
 109
 110         partition@600000 {
 111                 label = "root";
 112                 reg = <0x0600000 0x1FA00000>;
 113         };
 114 };
 115
 116 &pciec {
 117         status = "okay";
 118 };
 119
 120 &pcie0 {
 121         status = "okay";
 122 };