arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts

   1 /*
   2  * Device Tree Source for the Salvator-X board
   3  *
   4  * Copyright (C) 2015 Renesas Electronics Corp.
   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  * SSI-AK4613
  13  *
  14  * This command is required when Playback/Capture
  15  *
  16  *      amixer set "DVC Out" 100%
  17  *      amixer set "DVC In" 100%
  18  *
  19  * You can use Mute
  20  *
  21  *      amixer set "DVC Out Mute" on
  22  *      amixer set "DVC In Mute" on
  23  *
  24  * You can use Volume Ramp
  25  *
  26  *      amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
  27  *      amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
  28  *      amixer set "DVC Out Ramp" on
  29  *      aplay xxx.wav &
  30  *      amixer set "DVC Out"  80%  // Volume Down
  31  *      amixer set "DVC Out" 100%  // Volume Up
  32  */
  33
  34 /dts-v1/;
  35 #include "r8a7795.dtsi"
  36
  37 / {
  38         model = "Renesas Salvator-X board based on r8a7795";
  39         compatible = "renesas,salvator-x", "renesas,r8a7795";
  40
  41         aliases {
  42                 serial0 = &scif2;
  43                 serial1 = &scif1;
  44                 ethernet0 = &avb;
  45         };
  46
  47         chosen {
  48                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  49                 stdout-path = "serial0:115200n8";
  50         };
  51
  52         memory@48000000 {
  53                 device_type = "memory";
  54                 /* first 128MB is reserved for secure area. */
  55                 reg = <0x0 0x48000000 0x0 0x38000000>;
  56         };
  57
  58         x12_clk: x12_clk {
  59                 compatible = "fixed-clock";
  60                 #clock-cells = <0>;
  61                 clock-frequency = <24576000>;
  62         };
  63
  64         audio_clkout: audio_clkout {
  65                 /*
  66                  * This is same as <&rcar_sound 0>
  67                  * but needed to avoid cs2000/rcar_sound probe dead-lock
  68                  */
  69                 compatible = "fixed-clock";
  70                 #clock-cells = <0>;
  71                 clock-frequency = <11289600>;
  72         };
  73
  74         rsnd_ak4613: sound {
  75                 compatible = "simple-audio-card";
  76
  77                 simple-audio-card,format = "left_j";
  78                 simple-audio-card,bitclock-master = <&sndcpu>;
  79                 simple-audio-card,frame-master = <&sndcpu>;
  80
  81                 sndcpu: simple-audio-card,cpu {
  82                         sound-dai = <&rcar_sound>;
  83                 };
  84
  85                 sndcodec: simple-audio-card,codec {
  86                         sound-dai = <&ak4613>;
  87                 };
  88         };
  89 };
  90
  91 &extal_clk {
  92         clock-frequency = <16666666>;
  93 };
  94
  95 &pfc {
  96         scif1_pins: scif1 {
  97                 renesas,groups = "scif1_data_a", "scif1_ctrl";
  98                 renesas,function = "scif1";
  99         };
 100         scif2_pins: scif2 {
 101                 renesas,groups = "scif2_data_a";
 102                 renesas,function = "scif2";
 103         };
 104
 105         i2c2_pins: i2c2 {
 106                 renesas,groups = "i2c2_a";
 107                 renesas,function = "i2c2";
 108         };
 109
 110         avb_pins: avb {
 111                 renesas,groups = "avb_mdc";
 112                 renesas,function = "avb";
 113         };
 114
 115         sound_pins: sound {
 116                 renesas,groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
 117                 renesas,function = "ssi";
 118         };
 119
 120         sound_clk_pins: sound_clk {
 121                 renesas,groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
 122                                  "audio_clkout_a", "audio_clkout3_a";
 123                 renesas,function = "audio_clk";
 124         };
 125 };
 126
 127 &scif1 {
 128         pinctrl-0 = <&scif1_pins>;
 129         pinctrl-names = "default";
 130
 131         status = "okay";
 132 };
 133
 134 &scif2 {
 135         pinctrl-0 = <&scif2_pins>;
 136         pinctrl-names = "default";
 137
 138         status = "okay";
 139 };
 140
 141 &i2c2 {
 142         pinctrl-0 = <&i2c2_pins>;
 143         pinctrl-names = "default";
 144
 145         status = "okay";
 146
 147         clock-frequency = <100000>;
 148
 149         ak4613: codec@10 {
 150                 compatible = "asahi-kasei,ak4613";
 151                 #sound-dai-cells = <0>;
 152                 reg = <0x10>;
 153                 clocks = <&rcar_sound 3>;
 154
 155                 asahi-kasei,in1-single-end;
 156                 asahi-kasei,in2-single-end;
 157                 asahi-kasei,out1-single-end;
 158                 asahi-kasei,out2-single-end;
 159                 asahi-kasei,out3-single-end;
 160                 asahi-kasei,out4-single-end;
 161                 asahi-kasei,out5-single-end;
 162                 asahi-kasei,out6-single-end;
 163         };
 164
 165         cs2000: clk_multiplier@4f {
 166                 #clock-cells = <0>;
 167                 compatible = "cirrus,cs2000-cp";
 168                 reg = <0x4f>;
 169                 clocks = <&audio_clkout>, <&x12_clk>;
 170                 clock-names = "clk_in", "ref_clk";
 171
 172                 assigned-clocks = <&cs2000>;
 173                 assigned-clock-rates = <24576000>; /* 1/1 divide */
 174         };
 175 };
 176
 177 &rcar_sound {
 178         pinctrl-0 = <&sound_pins &sound_clk_pins>;
 179         pinctrl-names = "default";
 180
 181         /* Single DAI */
 182         #sound-dai-cells = <0>;
 183
 184         /* audio_clkout0/1/2/3 */
 185         #clock-cells = <1>;
 186         clock-frequency = <11289600>;
 187
 188         status = "okay";
 189
 190         /* update <audio_clk_b> to <cs2000> */
 191         clocks = <&cpg CPG_MOD 1005>,
 192                  <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
 193                  <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
 194                  <&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,
 195                  <&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,
 196                  <&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,
 197                  <&cpg CPG_MOD 1022>, <&cpg CPG_MOD 1023>,
 198                  <&cpg CPG_MOD 1024>, <&cpg CPG_MOD 1025>,
 199                  <&cpg CPG_MOD 1026>, <&cpg CPG_MOD 1027>,
 200                  <&cpg CPG_MOD 1028>, <&cpg CPG_MOD 1029>,
 201                  <&cpg CPG_MOD 1030>, <&cpg CPG_MOD 1031>,
 202                  <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
 203                  <&audio_clk_a>, <&cs2000>,
 204                  <&audio_clk_c>,
 205                  <&cpg CPG_CORE R8A7795_CLK_S0D4>;
 206
 207         rcar_sound,dai {
 208                 dai0 {
 209                         playback = <&ssi0 &src0 &dvc0>;
 210                         capture  = <&ssi1 &src1 &dvc1>;
 211                 };
 212         };
 213 };
 214
 215 &sata {
 216         status = "okay";
 217 };
 218
 219 &ssi1 {
 220         shared-pin;
 221 };
 222
 223 &audio_clk_a {
 224         clock-frequency = <22579200>;
 225 };
 226
 227 &avb {
 228         pinctrl-0 = <&avb_pins>;
 229         pinctrl-names = "default";
 230         renesas,no-ether-link;
 231         phy-handle = <&phy0>;
 232         status = "okay";
 233
 234         phy0: ethernet-phy@0 {
 235                 rxc-skew-ps = <900>;
 236                 rxdv-skew-ps = <0>;
 237                 rxd0-skew-ps = <0>;
 238                 rxd1-skew-ps = <0>;
 239                 rxd2-skew-ps = <0>;
 240                 rxd3-skew-ps = <0>;
 241                 txc-skew-ps = <900>;
 242                 txen-skew-ps = <0>;
 243                 txd0-skew-ps = <0>;
 244                 txd1-skew-ps = <0>;
 245                 txd2-skew-ps = <0>;
 246                 txd3-skew-ps = <0>;
 247                 reg = <0>;
 248                 interrupt-parent = <&gpio2>;
 249                 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
 250         };
 251 };