arch/arm/boot/dts/am3517.dtsi

   1 /*
   2  * Device Tree Source for am3517 SoC
   3  *
   4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   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 #include "omap3.dtsi"
  12
  13 / {
  14         aliases {
  15                 serial3 = &uart4;
  16                 can = &hecc;
  17         };
  18
  19         cpus {
  20                 cpu: cpu@0 {
  21                         /* Based on OMAP3630 variants OPP50 and OPP100 */
  22                         operating-points-v2 = <&cpu0_opp_table>;
  23
  24                         clock-latency = <300000>; /* From legacy driver */
  25                 };
  26         };
  27
  28         cpu0_opp_table: opp-table {
  29                 compatible = "operating-points-v2-ti-cpu";
  30                 syscon = <&scm_conf>;
  31                 /*
  32                  * AM3517 TRM only lists 600MHz @ 1.2V, but omap36xx
  33                  * appear to operate at 300MHz as well. Since AM3517 only
  34                  * lists one operating voltage, it will remain fixed at 1.2V
  35                  */
  36                 opp50-300000000 {
  37                         opp-hz = /bits/ 64 <300000000>;
  38                         opp-microvolt = <1200000>;
  39                         opp-supported-hw = <0xffffffff 0xffffffff>;
  40                         opp-suspend;
  41                 };
  42
  43                 opp100-600000000 {
  44                         opp-hz = /bits/ 64 <600000000>;
  45                         opp-microvolt = <1200000>;
  46                         opp-supported-hw = <0xffffffff 0xffffffff>;
  47                 };
  48         };
  49
  50         ocp@68000000 {
  51                 am35x_otg_hs: am35x_otg_hs@5c040000 {
  52                         compatible = "ti,omap3-musb";
  53                         ti,hwmods = "am35x_otg_hs";
  54                         status = "disabled";
  55                         reg = <0x5c040000 0x1000>;
  56                         interrupts = <71>;
  57                         interrupt-names = "mc";
  58                 };
  59
  60                 davinci_emac: ethernet@5c000000 {
  61                         compatible = "ti,am3517-emac";
  62                         ti,hwmods = "davinci_emac";
  63                         status = "disabled";
  64                         reg = <0x5c000000 0x30000>;
  65                         interrupts = <67 68 69 70>;
  66                         syscon = <&scm_conf>;
  67                         ti,davinci-ctrl-reg-offset = <0x10000>;
  68                         ti,davinci-ctrl-mod-reg-offset = <0>;
  69                         ti,davinci-ctrl-ram-offset = <0x20000>;
  70                         ti,davinci-ctrl-ram-size = <0x2000>;
  71                         ti,davinci-rmii-en = /bits/ 8 <1>;
  72                         local-mac-address = [ 00 00 00 00 00 00 ];
  73                         clocks = <&emac_ick>;
  74                         clock-names = "ick";
  75                 };
  76
  77                 davinci_mdio: mdio@5c030000 {
  78                         compatible = "ti,davinci_mdio";
  79                         ti,hwmods = "davinci_mdio";
  80                         status = "disabled";
  81                         reg = <0x5c030000 0x1000>;
  82                         bus_freq = <1000000>;
  83                         #address-cells = <1>;
  84                         #size-cells = <0>;
  85                         clocks = <&emac_fck>;
  86                         clock-names = "fck";
  87                 };
  88
  89                 uart4: serial@4809e000 {
  90                         compatible = "ti,omap3-uart";
  91                         ti,hwmods = "uart4";
  92                         status = "disabled";
  93                         reg = <0x4809e000 0x400>;
  94                         interrupts = <84>;
  95                         dmas = <&sdma 55 &sdma 54>;
  96                         dma-names = "tx", "rx";
  97                         clock-frequency = <48000000>;
  98                 };
  99
 100                 omap3_pmx_core2: pinmux@480025d8 {
 101                         compatible = "ti,omap3-padconf", "pinctrl-single";
 102                         reg = <0x480025d8 0x24>;
 103                         #address-cells = <1>;
 104                         #size-cells = <0>;
 105                         #pinctrl-cells = <1>;
 106                         #interrupt-cells = <1>;
 107                         interrupt-controller;
 108                         pinctrl-single,register-width = <16>;
 109                         pinctrl-single,function-mask = <0xff1f>;
 110                 };
 111
 112                 hecc: can@5c050000 {
 113                         compatible = "ti,am3517-hecc";
 114                         status = "disabled";
 115                         reg = <0x5c050000 0x80>,
 116                               <0x5c053000 0x180>,
 117                               <0x5c052000 0x200>;
 118                         reg-names = "hecc", "hecc-ram", "mbx";
 119                         interrupts = <24>;
 120                         clocks = <&hecc_ck>;
 121                 };
 122
 123                 /*
 124                  * On am3517 the OCP registers do not seem to be accessible
 125                  * similar to the omap34xx. Maybe SGX is permanently set to
 126                  * "OCP bypass mode", or maybe there is OCP_SYSCONFIG that is
 127                  * write-only at 0x50000e10. We detect SGX based on the SGX
 128                  * revision register instead of the unreadable OCP revision
 129                  * register.
 130                  */
 131                 sgx_module: target-module@50000000 {
 132                         compatible = "ti,sysc-omap2", "ti,sysc";
 133                         reg = <0x50000014 0x4>;
 134                         reg-names = "rev";
 135                         clocks = <&sgx_fck>, <&sgx_ick>;
 136                         clock-names = "fck", "ick";
 137                         #address-cells = <1>;
 138                         #size-cells = <1>;
 139                         ranges = <0 0x50000000 0x4000>;
 140
 141                         /*
 142                          * Closed source PowerVR driver, no child device
 143                          * binding or driver in mainline
 144                          */
 145                 };
 146         };
 147 };
 148
 149 /* Not currently working, probably needs at least different clocks */
 150 &rng_target {
 151         status = "disabled";
 152         /delete-property/ clocks;
 153 };
 154
 155 /* Table Table 5-79 of the TRM shows 480ab000 is reserved */
 156 &usb_otg_hs {
 157         status = "disabled";
 158 };
 159
 160 &iva {
 161         status = "disabled";
 162 };
 163
 164 &mailbox {
 165         status = "disabled";
 166 };
 167
 168 &mmu_isp {
 169         status = "disabled";
 170 };
 171
 172 /include/ "am35xx-clocks.dtsi"
 173 /include/ "omap36xx-am35xx-omap3430es2plus-clocks.dtsi"