arch/arm/boot/dts/omap3-gta04a5one.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2014-18 H. Nikolaus Schaller <hns@goldelico.com>
   4  */
   5
   6 #include "omap3-gta04a5.dts"
   7
   8 / {
   9         model = "Goldelico GTA04A5/Letux 2804 with OneNAND";
  10 };
  11
  12 &omap3_pmx_core {
  13         gpmc_pins: pinmux_gpmc_pins {
  14                 pinctrl-single,pins = <
  15
  16                         /* address lines */
  17                         OMAP3_CORE1_IOPAD(0x207a, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a1.gpmc_a1 */
  18                         OMAP3_CORE1_IOPAD(0x207c, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a2.gpmc_a2 */
  19                         OMAP3_CORE1_IOPAD(0x207e, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a3.gpmc_a3 */
  20
  21                         /* data lines, gpmc_d0..d7 not muxable according to TRM */
  22                         OMAP3_CORE1_IOPAD(0x209e, PIN_INPUT | MUX_MODE0)        /* gpmc_d8.gpmc_d8 */
  23                         OMAP3_CORE1_IOPAD(0x20a0, PIN_INPUT | MUX_MODE0)        /* gpmc_d9.gpmc_d9 */
  24                         OMAP3_CORE1_IOPAD(0x20a2, PIN_INPUT | MUX_MODE0)        /* gpmc_d10.gpmc_d10 */
  25                         OMAP3_CORE1_IOPAD(0x20a4, PIN_INPUT | MUX_MODE0)        /* gpmc_d11.gpmc_d11 */
  26                         OMAP3_CORE1_IOPAD(0x20a6, PIN_INPUT | MUX_MODE0)        /* gpmc_d12.gpmc_d12 */
  27                         OMAP3_CORE1_IOPAD(0x20a8, PIN_INPUT | MUX_MODE0)        /* gpmc_d13.gpmc_d13 */
  28                         OMAP3_CORE1_IOPAD(0x20aa, PIN_INPUT | MUX_MODE0)        /* gpmc_d14.gpmc_d14 */
  29                         OMAP3_CORE1_IOPAD(0x20ac, PIN_INPUT | MUX_MODE0)        /* gpmc_d15.gpmc_d15 */
  30
  31                         /*
  32                          * gpmc_ncs0, gpmc_nadv_ale, gpmc_noe, gpmc_nwe, gpmc_wait0 not muxable
  33                          * according to TRM. OneNAND seems to require PIN_INPUT on clock.
  34                          */
  35                         OMAP3_CORE1_IOPAD(0x20b0, PIN_OUTPUT | MUX_MODE0)       /* gpmc_ncs1.gpmc_ncs1 */
  36                         OMAP3_CORE1_IOPAD(0x20be, PIN_INPUT | MUX_MODE0)        /* gpmc_clk.gpmc_clk */
  37                 >;
  38         };
  39 };
  40
  41 &gpmc {
  42         /* switch inherited setup to OneNAND */
  43
  44         ranges = <0 0 0x04000000 0x1000000>;    /* CS0: 16MB for OneNAND */
  45         pinctrl-names = "default";
  46         pinctrl-0 = <&gpmc_pins>;
  47
  48         /delete-node/ nand@0,0;
  49
  50         onenand@0,0 {
  51
  52                 #address-cells = <1>;
  53                 #size-cells = <1>;
  54                 compatible = "ti,omap2-onenand";
  55                 reg = <0 0 0x20000>;    /* CS0, offset 0, IO size 128K */
  56
  57                 gpmc,sync-read;
  58                 gpmc,sync-write;
  59                 gpmc,burst-length = <16>;
  60                 gpmc,burst-read;
  61                 gpmc,burst-wrap;
  62                 gpmc,burst-write;
  63                 gpmc,device-width = <2>;
  64                 gpmc,mux-add-data = <2>;
  65                 gpmc,cs-on-ns = <0>;
  66                 gpmc,cs-rd-off-ns = <87>;
  67                 gpmc,cs-wr-off-ns = <87>;
  68                 gpmc,adv-on-ns = <0>;
  69                 gpmc,adv-rd-off-ns = <10>;
  70                 gpmc,adv-wr-off-ns = <10>;
  71                 gpmc,oe-on-ns = <15>;
  72                 gpmc,oe-off-ns = <87>;
  73                 gpmc,we-on-ns = <0>;
  74                 gpmc,we-off-ns = <87>;
  75                 gpmc,rd-cycle-ns = <112>;
  76                 gpmc,wr-cycle-ns = <112>;
  77                 gpmc,access-ns = <81>;
  78                 gpmc,page-burst-access-ns = <15>;
  79                 gpmc,bus-turnaround-ns = <0>;
  80                 gpmc,cycle2cycle-delay-ns = <0>;
  81                 gpmc,wait-monitoring-ns = <0>;
  82                 gpmc,clk-activation-ns = <5>;
  83                 gpmc,wr-data-mux-bus-ns = <30>;
  84                 gpmc,wr-access-ns = <81>;
  85                 gpmc,sync-clk-ps = <15000>;
  86
  87                 x-loader@0 {
  88                         label = "X-Loader";
  89                         reg = <0 0x80000>;
  90                 };
  91
  92                 bootloaders@80000 {
  93                         label = "U-Boot";
  94                         reg = <0x80000 0x1c0000>;
  95                 };
  96
  97                 bootloaders_env@240000 {
  98                         label = "U-Boot Env";
  99                         reg = <0x240000 0x40000>;
 100                 };
 101
 102                 kernel@280000 {
 103                         label = "Kernel";
 104                         reg = <0x280000 0x600000>;
 105                 };
 106
 107                 filesystem@880000 {
 108                         label = "File System";
 109                         reg = <0x880000 0>;     /* 0 = MTDPART_SIZ_FULL */
 110                 };
 111
 112         };
 113 };