arch/arm/boot/dts/ox820.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * ox820.dtsi - Device tree file for Oxford Semiconductor OX820 SoC
   4  *
   5  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
   6  */
   7
   8 #include <dt-bindings/interrupt-controller/arm-gic.h>
   9 #include <dt-bindings/clock/oxsemi,ox820.h>
  10 #include <dt-bindings/reset/oxsemi,ox820.h>
  11
  12 / {
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15         compatible = "oxsemi,ox820";
  16
  17         cpus {
  18                 #address-cells = <1>;
  19                 #size-cells = <0>;
  20                 enable-method = "oxsemi,ox820-smp";
  21
  22                 cpu@0 {
  23                         device_type = "cpu";
  24                         compatible = "arm,arm11mpcore";
  25                         clocks = <&armclk>;
  26                         reg = <0>;
  27                 };
  28
  29                 cpu@1 {
  30                         device_type = "cpu";
  31                         compatible = "arm,arm11mpcore";
  32                         clocks = <&armclk>;
  33                         reg = <1>;
  34                 };
  35         };
  36
  37         memory {
  38                 device_type = "memory";
  39                 /* Max 512MB @ 0x60000000 */
  40                 reg = <0x60000000 0x20000000>;
  41         };
  42
  43         clocks {
  44                 osc: oscillator {
  45                         compatible = "fixed-clock";
  46                         #clock-cells = <0>;
  47                         clock-frequency = <25000000>;
  48                 };
  49
  50                 gmacclk: gmacclk {
  51                         compatible = "fixed-clock";
  52                         #clock-cells = <0>;
  53                         clock-frequency = <125000000>;
  54                 };
  55
  56                 sysclk: sysclk {
  57                         compatible = "fixed-factor-clock";
  58                         #clock-cells = <0>;
  59                         clock-div = <4>;
  60                         clock-mult = <1>;
  61                         clocks = <&osc>;
  62                 };
  63
  64                 plla: plla {
  65                         compatible = "fixed-clock";
  66                         #clock-cells = <0>;
  67                         clock-frequency = <850000000>;
  68                 };
  69
  70                 armclk: armclk {
  71                         compatible = "fixed-factor-clock";
  72                         #clock-cells = <0>;
  73                         clock-div = <2>;
  74                         clock-mult = <1>;
  75                         clocks = <&plla>;
  76                 };
  77         };
  78
  79         soc {
  80                 #address-cells = <1>;
  81                 #size-cells = <1>;
  82                 compatible = "simple-bus";
  83                 ranges;
  84                 interrupt-parent = <&gic>;
  85
  86                 nandc: nand-controller@41000000 {
  87                         compatible = "oxsemi,ox820-nand";
  88                         reg = <0x41000000 0x100000>;
  89                         clocks = <&stdclk CLK_820_NAND>;
  90                         resets = <&reset RESET_NAND>;
  91                         #address-cells = <1>;
  92                         #size-cells = <0>;
  93                         status = "disabled";
  94                 };
  95
  96                 etha: ethernet@40400000 {
  97                         compatible = "oxsemi,ox820-dwmac", "snps,dwmac";
  98                         reg = <0x40400000 0x2000>;
  99                         interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
 100                                      <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
 101                         interrupt-names = "macirq", "eth_wake_irq";
 102                         mac-address = [000000000000]; /* Filled in by U-Boot */
 103                         phy-mode = "rgmii";
 104
 105                         clocks = <&stdclk CLK_820_ETHA>, <&gmacclk>;
 106                         clock-names = "gmac", "stmmaceth";
 107                         resets = <&reset RESET_MAC>;
 108
 109                         /* Regmap for sys registers */
 110                         oxsemi,sys-ctrl = <&sys>;
 111
 112                         status = "disabled";
 113                 };
 114
 115                 apb-bridge@44000000 {
 116                         #address-cells = <1>;
 117                         #size-cells = <1>;
 118                         compatible = "simple-bus";
 119                         ranges = <0 0x44000000 0x1000000>;
 120
 121                         pinctrl: pinctrl {
 122                                 compatible = "oxsemi,ox820-pinctrl";
 123
 124                                 /* Regmap for sys registers */
 125                                 oxsemi,sys-ctrl = <&sys>;
 126
 127                                 pinctrl_uart0: uart0 {
 128                                         uart0 {
 129                                                 pins = "gpio30", "gpio31";
 130                                                 function = "fct5";
 131                                         };
 132                                 };
 133
 134                                 pinctrl_uart0_modem: uart0_modem {
 135                                         uart0_modem_a {
 136                                                 pins = "gpio24", "gpio24", "gpio26", "gpio27";
 137                                                 function = "fct4";
 138                                         };
 139                                         uart0_modem_b {
 140                                                 pins = "gpio28", "gpio29";
 141                                                 function = "fct5";
 142                                         };
 143                                 };
 144
 145                                 pinctrl_uart1: uart1 {
 146                                         uart1 {
 147                                                 pins = "gpio7", "gpio8";
 148                                                 function = "fct4";
 149                                         };
 150                                 };
 151
 152                                 pinctrl_uart1_modem: uart1_modem {
 153                                         uart1_modem {
 154                                                 pins = "gpio5", "gpio6", "gpio40", "gpio41", "gpio42", "gpio43";
 155                                                 function = "fct4";
 156                                         };
 157                                 };
 158
 159                                 pinctrl_etha_mdio: etha_mdio {
 160                                         etha_mdio {
 161                                                 pins = "gpio3", "gpio4";
 162                                                 function = "fct1";
 163                                         };
 164                                 };
 165
 166                                 pinctrl_nand: nand {
 167                                         nand {
 168                                                 pins = "gpio12", "gpio13", "gpio14", "gpio15",
 169                                                      "gpio16", "gpio17", "gpio18", "gpio19",
 170                                                      "gpio20", "gpio21", "gpio22", "gpio23",
 171                                                      "gpio24";
 172                                                 function = "fct1";
 173                                         };
 174                                 };
 175                         };
 176
 177                         gpio0: gpio@0 {
 178                                 compatible = "oxsemi,ox820-gpio";
 179                                 reg = <0x000000 0x100000>;
 180                                 interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
 181                                 #gpio-cells = <2>;
 182                                 gpio-controller;
 183                                 interrupt-controller;
 184                                 #interrupt-cells = <2>;
 185                                 ngpios = <32>;
 186                                 oxsemi,gpio-bank = <0>;
 187                                 gpio-ranges = <&pinctrl 0 0 32>;
 188                         };
 189
 190                         gpio1: gpio@100000 {
 191                                 compatible = "oxsemi,ox820-gpio";
 192                                 reg = <0x100000 0x100000>;
 193                                 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
 194                                 #gpio-cells = <2>;
 195                                 gpio-controller;
 196                                 interrupt-controller;
 197                                 #interrupt-cells = <2>;
 198                                 ngpios = <18>;
 199                                 oxsemi,gpio-bank = <1>;
 200                                 gpio-ranges = <&pinctrl 0 32 18>;
 201                         };
 202
 203                         uart0: serial@200000 {
 204                                compatible = "ns16550a";
 205                                reg = <0x200000 0x100000>;
 206                                interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
 207                                reg-shift = <0>;
 208                                fifo-size = <16>;
 209                                reg-io-width = <1>;
 210                                current-speed = <115200>;
 211                                no-loopback-test;
 212                                status = "disabled";
 213                                clocks = <&sysclk>;
 214                                resets = <&reset RESET_UART1>;
 215                         };
 216
 217                         uart1: serial@300000 {
 218                                compatible = "ns16550a";
 219                                reg = <0x200000 0x100000>;
 220                                interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 221                                reg-shift = <0>;
 222                                fifo-size = <16>;
 223                                reg-io-width = <1>;
 224                                current-speed = <115200>;
 225                                no-loopback-test;
 226                                status = "disabled";
 227                                clocks = <&sysclk>;
 228                                resets = <&reset RESET_UART2>;
 229                         };
 230
 231                         rps@400000 {
 232                                 #address-cells = <1>;
 233                                 #size-cells = <1>;
 234                                 compatible = "simple-bus";
 235                                 ranges = <0 0x400000 0x100000>;
 236
 237                                 intc: interrupt-controller@0 {
 238                                         compatible = "oxsemi,ox820-rps-irq", "oxsemi,ox810se-rps-irq";
 239                                         interrupt-controller;
 240                                         reg = <0 0x200>;
 241                                         interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
 242                                         #interrupt-cells = <1>;
 243                                         valid-mask = <0xFFFFFFFF>;
 244                                         clear-mask = <0>;
 245                                 };
 246
 247                                 timer0: timer@200 {
 248                                         compatible = "oxsemi,ox820-rps-timer";
 249                                         reg = <0x200 0x40>;
 250                                         clocks = <&sysclk>;
 251                                         interrupt-parent = <&intc>;
 252                                         interrupts = <4>;
 253                                 };
 254                         };
 255
 256                         sys: sys-ctrl@e00000 {
 257                                 compatible = "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd";
 258                                 reg = <0xe00000 0x200000>;
 259
 260                                 reset: reset-controller {
 261                                         compatible = "oxsemi,ox820-reset", "oxsemi,ox810se-reset";
 262                                         #reset-cells = <1>;
 263                                 };
 264
 265                                 stdclk: stdclk {
 266                                         compatible = "oxsemi,ox820-stdclk", "oxsemi,ox810se-stdclk";
 267                                         #clock-cells = <1>;
 268                                 };
 269                         };
 270                 };
 271
 272                 apb-bridge@47000000 {
 273                         #address-cells = <1>;
 274                         #size-cells = <1>;
 275                         compatible = "simple-bus";
 276                         ranges = <0 0x47000000 0x1000000>;
 277
 278                         scu: scu@0 {
 279                                 compatible = "arm,arm11mp-scu";
 280                                 reg = <0x0 0x100>;
 281                         };
 282
 283                         local-timer@600 {
 284                                 compatible = "arm,arm11mp-twd-timer";
 285                                 reg = <0x600 0x20>;
 286                                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(3)|IRQ_TYPE_LEVEL_HIGH)>;
 287                                 clocks = <&armclk>;
 288                         };
 289
 290                         gic: gic@1000 {
 291                                 compatible = "arm,arm11mp-gic";
 292                                 interrupt-controller;
 293                                 #interrupt-cells = <3>;
 294                                 reg = <0x1000 0x1000>,
 295                                       <0x100 0x500>;
 296                         };
 297                 };
 298         };
 299 };