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
  24                 i2c0: i2c@44e0b000 {
  25                         pinctrl-names = "default";
  26                         pinctrl-0 = <&i2c0_pins>;
  27
  28                         status = "okay";
  29                         clock-frequency = <400000>;
  30
  31                         eeprom: eeprom@50 {
  32                                 compatible = "atmel,24c128";
  33                                 reg = <0x50>;
  34                                 pagesize = <64>;
  35                         };
  36                 };
  37
  38                 musb: usb@47400000 {
  39                         status = "okay";
  40
  41                         control@44e10620 {
  42                                 status = "okay";
  43                         };
  44
  45                         usb-phy@47401300 {
  46                                 status = "okay";
  47                         };
  48
  49                         usb-phy@47401b00 {
  50                                 status = "okay";
  51                         };
  52
  53                         usb@47401000 {
  54                                 status = "okay";
  55                         };
  56
  57                         usb@47401800 {
  58                                 status = "okay";
  59                                 dr_mode = "host";
  60                         };
  61
  62                         dma-controller@47402000  {
  63                                 status = "okay";
  64                         };
  65                 };
  66         };
  67 };
  68
  69 &am33xx_pinmux {
  70                 i2c0_pins: pinmux_i2c0_pins {
  71                         pinctrl-single,pins = <
  72                                 0x188 (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_sda.i2c0_sda */
  73                                 0x18c (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_scl.i2c0_scl */
  74                         >;
  75                 };
  76
  77                 uart0_pins: pinmux_uart0_pins {
  78                         pinctrl-single,pins = <
  79                                 0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
  80                                 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
  81                         >;
  82                 };
  83
  84                 nandflash_pins: nandflash_pins {
  85                         pinctrl-single,pins = <
  86                                 0x0 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad0.gpmc_ad0 */
  87                                 0x4 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad1.gpmc_ad1 */
  88                                 0x8 (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad2.gpmc_ad2 */
  89                                 0xc (PIN_INPUT_PULLUP | MUX_MODE0)      /* gpmc_ad3.gpmc_ad3 */
  90                                 0x10 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad4.gpmc_ad4 */
  91                                 0x14 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad5.gpmc_ad5 */
  92                                 0x18 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad6.gpmc_ad6 */
  93                                 0x1c (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_ad7.gpmc_ad7 */
  94                                 0x70 (PIN_INPUT_PULLUP | MUX_MODE0)     /* gpmc_wait0.gpmc_wait0 */
  95                                 0x74 (PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_wpn.gpio0_30 */
  96                                 0x7c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_csn0.gpmc_csn0  */
  97                                 0x90 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_advn_ale.gpmc_advn_ale */
  98                                 0x94 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_oen_ren.gpmc_oen_ren */
  99                                 0x98 (PIN_OUTPUT | MUX_MODE0)           /* gpmc_wen.gpmc_wen */
 100                                 0x9c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_be0n_cle.gpmc_be0n_cle */
 101                         >;
 102                 };
 103         };
 104
 105
 106 &timer3 {
 107         status = "disabled";
 108 };
 109
 110 &uart0 {
 111         pinctrl-names = "default";
 112         pinctrl-0 = <&uart0_pins>;
 113         status = "okay";
 114 };
 115
 116 &uart4 {
 117         status = "disabled";
 118 };
 119
 120 &elm {
 121         status = "okay";
 122 };
 123
 124 &gpmc {
 125         status = "okay";
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&nandflash_pins>;
 128
 129         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 130
 131         nand@0,0 {
 132                 reg = <0 0 0>; /* CS0, offset 0 */
 133                 nand-bus-width = <8>;
 134                 ti,nand-ecc-opt = "bch8";
 135                 gpmc,device-nand = "true";
 136                 gpmc,device-width = <1>;
 137                 gpmc,sync-clk-ps = <0>;
 138                 gpmc,cs-on-ns = <0>;
 139                 gpmc,cs-rd-off-ns = <44>;
 140                 gpmc,cs-wr-off-ns = <44>;
 141                 gpmc,adv-on-ns = <6>;
 142                 gpmc,adv-rd-off-ns = <34>;
 143                 gpmc,adv-wr-off-ns = <44>;
 144                 gpmc,we-on-ns = <0>;
 145                 gpmc,we-off-ns = <40>;
 146                 gpmc,oe-on-ns = <0>;
 147                 gpmc,oe-off-ns = <54>;
 148                 gpmc,access-ns = <64>;
 149                 gpmc,rd-cycle-ns = <82>;
 150                 gpmc,wr-cycle-ns = <82>;
 151                 gpmc,wait-on-read = "true";
 152                 gpmc,wait-on-write = "true";
 153                 gpmc,bus-turnaround-ns = <0>;
 154                 gpmc,cycle2cycle-delay-ns = <0>;
 155                 gpmc,clk-activation-ns = <0>;
 156                 gpmc,wait-monitoring-ns = <0>;
 157                 gpmc,wr-access-ns = <40>;
 158                 gpmc,wr-data-mux-bus-ns = <0>;
 159
 160                 #address-cells = <1>;
 161                 #size-cells = <1>;
 162                 elm_id = <&elm>;
 163         };
 164 };
 165
 166 /* disable the RTC node as its not accessible on the draco/dxr2 board */
 167 &rtc {
 168         status = "disabled";
 169         ti,hwmods = "disabled";
 170 };