Quelle  t7001.dtsi   Sprache: unbekannt

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Apple T7001 "A8X" SoC
 *
 * Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
 * Based on Asahi Linux's M1 (t8103.dtsi) and Corellium's A10 efforts.
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/apple-aic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/apple.h>

/ {
 interrupt-parent = <&aic>;
 #address-cells = <2>;
 #size-cells = <2>;

 aliases {
  serial0 = &serial0;
 };

 clkref: clock-ref {
  compatible = "fixed-clock";
  #clock-cells = <0>;
  clock-frequency = <24000000>;
  clock-output-names = "clkref";
 };

 cpus {
  #address-cells = <2>;
  #size-cells = <0>;

  cpu0: cpu@0 {
   compatible = "apple,typhoon";
   reg = <0x0 0x0>;
   cpu-release-addr = <0 0>; /* To be filled in by loader */
   performance-domains = <&cpufreq>;
   operating-points-v2 = <&typhoon_opp>;
   enable-method = "spin-table";
   device_type = "cpu";
   next-level-cache = <&l2_cache>;
   i-cache-size = <0x10000>;
   d-cache-size = <0x10000>;
  };

  cpu1: cpu@1 {
   compatible = "apple,typhoon";
   reg = <0x0 0x1>;
   cpu-release-addr = <0 0>; /* To be filled in by loader */
   performance-domains = <&cpufreq>;
   operating-points-v2 = <&typhoon_opp>;
   enable-method = "spin-table";
   device_type = "cpu";
   next-level-cache = <&l2_cache>;
   i-cache-size = <0x10000>;
   d-cache-size = <0x10000>;
  };

  cpu2: cpu@2 {
   compatible = "apple,typhoon";
   reg = <0x0 0x2>;
   cpu-release-addr = <0 0>; /* To be filled by loader */
   performance-domains = <&cpufreq>;
   operating-points-v2 = <&typhoon_opp>;
   enable-method = "spin-table";
   device_type = "cpu";
   next-level-cache = <&l2_cache>;
   i-cache-size = <0x10000>;
   d-cache-size = <0x10000>;
  };

  l2_cache: l2-cache {
   compatible = "cache";
   cache-level = <2>;
   cache-unified;
   cache-size = <0x200000>;
  };
 };

 typhoon_opp: opp-table {
  compatible = "operating-points-v2";

  opp01 {
   opp-hz = /bits/ 64 <300000000>;
   opp-level = <1>;
   clock-latency-ns = <300>;
  };
  opp02 {
   opp-hz = /bits/ 64 <396000000>;
   opp-level = <2>;
   clock-latency-ns = <49000>;
  };
  opp03 {
   opp-hz = /bits/ 64 <600000000>;
   opp-level = <3>;
   clock-latency-ns = <31000>;
  };
  opp04 {
   opp-hz = /bits/ 64 <840000000>;
   opp-level = <4>;
   clock-latency-ns = <32000>;
  };
  opp05 {
   opp-hz = /bits/ 64 <1128000000>;
   opp-level = <5>;
   clock-latency-ns = <32000>;
  };
  opp06 {
   opp-hz = /bits/ 64 <1392000000>;
   opp-level = <6>;
   clock-latency-ns = <37000>;
  };
  opp07 {
   opp-hz = /bits/ 64 <1512000000>;
   opp-level = <7>;
   clock-latency-ns = <41000>;
  };
 };

 soc {
  compatible = "simple-bus";
  #address-cells = <2>;
  #size-cells = <2>;
  nonposted-mmio;
  ranges;

  cpufreq: performance-controller@202220000 {
   compatible = "apple,t7000-cluster-cpufreq", "apple,s5l8960x-cluster-cpufreq";
   reg = <0x2 0x02220000 0 0x1000>;
   #performance-domain-cells = <0>;
  };

  serial0: serial@20a0c0000 {
   compatible = "apple,s5l-uart";
   reg = <0x2 0x0a0c0000 0x0 0x4000>;
   reg-io-width = <4>;
   interrupt-parent = <&aic>;
   interrupts = <AIC_IRQ 158 IRQ_TYPE_LEVEL_HIGH>;
   /* Use the bootloader-enabled clocks for now. */
   clocks = <&clkref>, <&clkref>;
   clock-names = "uart", "clk_uart_baud0";
   power-domains = <&ps_uart0>;
   status = "disabled";
  };

  pmgr: power-management@20e000000 {
   compatible = "apple,t7000-pmgr", "apple,pmgr", "syscon", "simple-mfd";
   #address-cells = <1>;
   #size-cells = <1>;

   reg = <0x2 0xe000000 0 0x24000>;
  };

  wdt: watchdog@20e027000 {
   compatible = "apple,t7000-wdt", "apple,wdt";
   reg = <0x2 0x0e027000 0x0 0x1000>;
   clocks = <&clkref>;
   interrupt-parent = <&aic>;
   interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
  };

  aic: interrupt-controller@20e100000 {
   compatible = "apple,t7000-aic", "apple,aic";
   reg = <0x2 0x0e100000 0x0 0x100000>;
   #interrupt-cells = <3>;
   interrupt-controller;
   power-domains = <&ps_aic>;
  };

  pinctrl: pinctrl@20e300000 {
   compatible = "apple,t7000-pinctrl", "apple,pinctrl";
   reg = <0x2 0x0e300000 0x0 0x100000>;
   power-domains = <&ps_gpio>;

   gpio-controller;
   #gpio-cells = <2>;
   gpio-ranges = <&pinctrl 0 0 184>;
   apple,npins = <184>;

   interrupt-controller;
   #interrupt-cells = <2>;
   interrupt-parent = <&aic>;
   interrupts = <AIC_IRQ 62 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 63 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 64 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 65 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 66 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 67 IRQ_TYPE_LEVEL_HIGH>,
         <AIC_IRQ 68 IRQ_TYPE_LEVEL_HIGH>;
  };
 };

 timer {
  compatible = "arm,armv8-timer";
  interrupt-parent = <&aic>;
  interrupt-names = "phys", "virt";
  /* Note that A8X doesn't actually have a hypervisor (EL2 is not implemented). */
  interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
        <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
 };
};

#include "t7001-pmgr.dtsi"