arch/arm64/boot/dts/amd/elba.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
   2 /*
   3  * Copyright 2020-2022 Advanced Micro Devices, Inc.
   4  */
   5
   6 #include <dt-bindings/gpio/gpio.h>
   7 #include "dt-bindings/interrupt-controller/arm-gic.h"
   8
   9 / {
  10         model = "Elba ASIC Board";
  11         compatible = "amd,pensando-elba";
  12         interrupt-parent = <&gic>;
  13         #address-cells = <2>;
  14         #size-cells = <2>;
  15
  16         dma-coherent;
  17
  18         ahb_clk: oscillator0 {
  19                 compatible = "fixed-clock";
  20                 #clock-cells = <0>;
  21         };
  22
  23         emmc_clk: oscillator2 {
  24                 compatible = "fixed-clock";
  25                 #clock-cells = <0>;
  26         };
  27
  28         flash_clk: oscillator3 {
  29                 compatible = "fixed-clock";
  30                 #clock-cells = <0>;
  31         };
  32
  33         ref_clk: oscillator4 {
  34                 compatible = "fixed-clock";
  35                 #clock-cells = <0>;
  36         };
  37
  38         psci {
  39                 compatible = "arm,psci-0.2";
  40                 method = "smc";
  41         };
  42
  43         timer {
  44                 compatible = "arm,armv8-timer";
  45                 interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
  46                              <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
  47                              <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
  48                              <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
  49         };
  50
  51         pmu {
  52                 compatible = "arm,cortex-a72-pmu";
  53                 interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
  54         };
  55
  56         soc: soc {
  57                 compatible = "simple-bus";
  58                 #address-cells = <2>;
  59                 #size-cells = <2>;
  60                 ranges;
  61
  62                 i2c0: i2c@400 {
  63                         compatible = "snps,designware-i2c";
  64                         reg = <0x0 0x400 0x0 0x100>;
  65                         clocks = <&ahb_clk>;
  66                         #address-cells = <1>;
  67                         #size-cells = <0>;
  68                         i2c-sda-hold-time-ns = <480>;
  69                         interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
  70                         status = "disabled";
  71                 };
  72
  73                 wdt0: watchdog@1400 {
  74                         compatible = "snps,dw-wdt";
  75                         reg = <0x0 0x1400 0x0 0x100>;
  76                         clocks = <&ahb_clk>;
  77                         interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
  78                         status = "disabled";
  79                 };
  80
  81                 qspi: spi@2400 {
  82                         compatible = "amd,pensando-elba-qspi", "cdns,qspi-nor";
  83                         reg = <0x0 0x2400 0x0 0x400>,
  84                               <0x0 0x7fff0000 0x0 0x1000>;
  85                         #address-cells = <1>;
  86                         #size-cells = <0>;
  87                         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
  88                         clocks = <&flash_clk>;
  89                         cdns,fifo-depth = <1024>;
  90                         cdns,fifo-width = <4>;
  91                         cdns,trigger-address = <0x7fff0000>;
  92                         status = "disabled";
  93                 };
  94
  95                 spi0: spi@2800 {
  96                         compatible = "amd,pensando-elba-spi";
  97                         reg = <0x0 0x2800 0x0 0x100>;
  98                         #address-cells = <1>;
  99                         #size-cells = <0>;
 100                         amd,pensando-elba-syscon = <&syscon>;
 101                         clocks = <&ahb_clk>;
 102                         interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
 103                         num-cs = <2>;
 104                         status = "disabled";
 105                 };
 106
 107                 gpio0: gpio@4000 {
 108                         compatible = "snps,dw-apb-gpio";
 109                         reg = <0x0 0x4000 0x0 0x78>;
 110                         #address-cells = <1>;
 111                         #size-cells = <0>;
 112                         status = "disabled";
 113
 114                         porta: gpio-port@0 {
 115                                 compatible = "snps,dw-apb-gpio-port";
 116                                 reg = <0>;
 117                                 gpio-controller;
 118                                 #gpio-cells = <2>;
 119                                 ngpios = <8>;
 120                                 interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
 121                                 interrupt-controller;
 122                                 interrupt-parent = <&gic>;
 123                                 #interrupt-cells = <2>;
 124                         };
 125
 126                         portb: gpio-port@1 {
 127                                 compatible = "snps,dw-apb-gpio-port";
 128                                 reg = <1>;
 129                                 gpio-controller;
 130                                 #gpio-cells = <2>;
 131                                 ngpios = <8>;
 132                         };
 133                 };
 134
 135                 uart0: serial@4800 {
 136                         compatible = "ns16550a";
 137                         reg = <0x0 0x4800 0x0 0x100>;
 138                         clocks = <&ref_clk>;
 139                         interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 140                         reg-shift = <2>;
 141                         reg-io-width = <4>;
 142                 };
 143
 144                 gic: interrupt-controller@800000 {
 145                         compatible = "arm,gic-v3";
 146                         reg = <0x0 0x800000 0x0 0x200000>,      /* GICD */
 147                               <0x0 0xa00000 0x0 0x200000>,      /* GICR */
 148                               <0x0 0x60000000 0x0 0x2000>,      /* GICC */
 149                               <0x0 0x60010000 0x0 0x1000>,      /* GICH */
 150                               <0x0 0x60020000 0x0 0x2000>;      /* GICV */
 151                         #address-cells = <2>;
 152                         #size-cells = <2>;
 153                         #interrupt-cells = <3>;
 154                         ranges;
 155                         interrupt-controller;
 156                         interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 157
 158                         /*
 159                          * Elba specific pre-ITS is enabled using the
 160                          * existing property socionext,synquacer-pre-its
 161                          */
 162                         gic_its: msi-controller@820000 {
 163                                 compatible = "arm,gic-v3-its";
 164                                 reg = <0x0 0x820000 0x0 0x10000>;
 165                                 msi-controller;
 166                                 #msi-cells = <1>;
 167                                 socionext,synquacer-pre-its =
 168                                                         <0xc00000 0x1000000>;
 169                         };
 170                 };
 171
 172                 emmc: mmc@30440000 {
 173                         compatible = "amd,pensando-elba-sd4hc", "cdns,sd4hc";
 174                         reg = <0x0 0x30440000 0x0 0x10000>,
 175                               <0x0 0x30480044 0x0 0x4>; /* byte-lane ctrl */
 176                         clocks = <&emmc_clk>;
 177                         interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
 178                         cdns,phy-input-delay-sd-highspeed = <0x4>;
 179                         cdns,phy-input-delay-legacy = <0x4>;
 180                         cdns,phy-input-delay-sd-uhs-sdr50 = <0x6>;
 181                         cdns,phy-input-delay-sd-uhs-ddr50 = <0x16>;
 182                         mmc-ddr-1_8v;
 183                         status = "disabled";
 184                 };
 185
 186                 syscon: syscon@307c0000 {
 187                         compatible = "amd,pensando-elba-syscon", "syscon";
 188                         reg = <0x0 0x307c0000 0x0 0x3000>;
 189                 };
 190         };
 191 };