arch/arm/dts/am335x-draco.dtsi

   1 /*
   2  * Common support for Siemens Draco SOM (AM335x based)
   3  *
   4  * Copyright (C) 2013,2014 - Stefan Roese <sr@denx.de>
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2.  This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 / {
  12         chosen {
  13                 stdout-path = &uart0;
  14                 tick-timer = &timer2;
  15         };
  16
  17         memory {
  18                 device_type = "memory";
  19                 reg = <0x80000000 0x08000000>; /* 128 MB */
  20         };
  21
  22         ocp {
  23                 uart0: serial@44e09000 {
  24                         pinctrl-names = "default";
  25                         pinctrl-0 = <&uart0_pins>;
  26                         status = "okay";
  27                 };
  28
  29                 i2c0: i2c@44e0b000 {
  30                         pinctrl-names = "default";
  31                         pinctrl-0 = <&i2c0_pins>;
  32
  33                         status = "okay";
  34                         clock-frequency = <400000>;
  35
  36                         eeprom: eeprom@50 {
  37                                 compatible = "atmel,24c128";
  38                                 reg = <0x50>;
  39                                 pagesize = <64>;
  40                         };
  41                 };
  42
  43                 musb: usb@47400000 {
  44                         status = "okay";
  45
  46                         control@44e10620 {
  47                                 status = "okay";
  48                         };
  49
  50                         usb-phy@47401300 {
  51                                 status = "okay";
  52                         };
  53
  54                         usb-phy@47401b00 {
  55                                 status = "okay";
  56                         };
  57
  58                         usb@47401000 {
  59                                 status = "okay";
  60                         };
  61
  62                         usb@47401800 {
  63                                 status = "okay";
  64                                 dr_mode = "host";
  65                         };
  66
  67                         dma-controller@47402000  {
  68                                 status = "okay";
  69                         };
  70                 };
  71         };
  72 };
  73
  74 &am33xx_pinmux {
  75                 i2c0_pins: pinmux_i2c0_pins {
  76                         pinctrl-single,pins = <
  77                                 0x188 (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_sda.i2c0_sda */
  78                                 0x18c (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_scl.i2c0_scl */
  79                         >;
  80                 };
  81
  82                 uart0_pins: pinmux_uart0_pins {
  83                         pinctrl-single,pins = <
  84                                 0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
  85                                 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
  86                         >;
  87                 };
  88
  89                 nandflash_pins: nandflash_pins {
  90                         pinctrl-single,pins = <
  91                                 0x0 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad0.gpmc_ad0 */
  92                                 0x4 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad1.gpmc_ad1 */
  93                                 0x8 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad2.gpmc_ad2 */
  94                                 0xc (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad3.gpmc_ad3 */
  95                                 0x10 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad4.gpmc_ad4 */
  96                                 0x14 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad5.gpmc_ad5 */
  97                                 0x18 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad6.gpmc_ad6 */
  98                                 0x1c (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad7.gpmc_ad7 */
  99                                 0x70 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_wait0.gpmc_wait0 */
 100                                 0x74 (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_wpn.gpio0_30 */
 101                                 0x7c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_csn0.gpmc_csn0  */
 102                                 0x90 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_advn_ale.gpmc_advn_ale */
 103                                 0x94 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_oen_ren.gpmc_oen_ren */
 104                                 0x98 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_wen.gpmc_wen */
 105                                 0x9c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_be0n_cle.gpmc_be0n_cle */
 106                         >;
 107                 };
 108         };
 109
 110
 111 &timer3 {
 112         status = "disabled";
 113 };
 114
 115 &uart4 {
 116         status = "disabled";
 117 };
 118
 119 &elm {
 120         status = "okay";
 121 };
 122
 123 &gpmc {
 124         status = "okay";
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&nandflash_pins>;
 127
 128         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 129
 130         nand@0,0 {
 131                 reg = <0 0 0>; /* CS0, offset 0 */
 132                 nand-bus-width = <8>;
 133                 ti,nand-ecc-opt = "bch8";
 134                 gpmc,device-nand = "true";
 135                 gpmc,device-width = <1>;
 136                 gpmc,sync-clk-ps = <0>;
 137                 gpmc,cs-on-ns = <0>;
 138                 gpmc,cs-rd-off-ns = <44>;
 139                 gpmc,cs-wr-off-ns = <44>;
 140                 gpmc,adv-on-ns = <6>;
 141                 gpmc,adv-rd-off-ns = <34>;
 142                 gpmc,adv-wr-off-ns = <44>;
 143                 gpmc,we-on-ns = <0>;
 144                 gpmc,we-off-ns = <40>;
 145                 gpmc,oe-on-ns = <0>;
 146                 gpmc,oe-off-ns = <54>;
 147                 gpmc,access-ns = <64>;
 148                 gpmc,rd-cycle-ns = <82>;
 149                 gpmc,wr-cycle-ns = <82>;
 150                 gpmc,wait-on-read = "true";
 151                 gpmc,wait-on-write = "true";
 152                 gpmc,bus-turnaround-ns = <0>;
 153                 gpmc,cycle2cycle-delay-ns = <0>;
 154                 gpmc,clk-activation-ns = <0>;
 155                 gpmc,wait-monitoring-ns = <0>;
 156                 gpmc,wr-access-ns = <40>;
 157                 gpmc,wr-data-mux-bus-ns = <0>;
 158
 159                 #address-cells = <1>;
 160                 #size-cells = <1>;
 161                 elm_id = <&elm>;
 162         };
 163 };
 164
 165 /* disable the RTC node as its not accessible on the draco/dxr2 board */
 166 &rtc {
 167         status = "disabled";
 168         ti,hwmods = "disabled";
 169 };