arch/arm/boot/dts/omap443x.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Device Tree Source for OMAP443x SoC
   4  *
   5  * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
   6  */
   7
   8 #include "omap4.dtsi"
   9
  10 / {
  11         cpus {
  12                 cpu0: cpu@0 {
  13                         /* OMAP443x variants OPP50-OPPNT */
  14                         operating-points = <
  15                                 /* kHz    uV */
  16                                 300000  1025000
  17                                 600000  1200000
  18                                 800000  1313000
  19                                 1008000 1375000
  20                         >;
  21                         clock-latency = <300000>; /* From legacy driver */
  22
  23                         /* cooling options */
  24                         #cooling-cells = <2>; /* min followed by max */
  25                 };
  26         };
  27
  28         thermal-zones {
  29                 #include "omap4-cpu-thermal.dtsi"
  30         };
  31
  32         ocp {
  33                 /* 4430 has only gpio_86 tshut and no talert interrupt */
  34                 bandgap: bandgap@4a002260 {
  35                         reg = <0x4a002260 0x4
  36                                0x4a00232C 0x4>;
  37                         compatible = "ti,omap4430-bandgap";
  38                         gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
  39
  40                         #thermal-sensor-cells = <0>;
  41                 };
  42         };
  43
  44         ocp {
  45                 abb_mpu: regulator-abb-mpu {
  46                         status = "okay";
  47
  48                         reg = <0x4a307bd0 0x8>, <0x4a306014 0x4>;
  49                         reg-names = "base-address", "int-address";
  50
  51                         ti,abb_info = <
  52                         /*uV            ABB     efuse   rbb_m   fbb_m   vset_m*/
  53                         1025000         0       0       0       0       0
  54                         1200000         0       0       0       0       0
  55                         1313000         0       0       0       0       0
  56                         1375000         1       0       0       0       0
  57                         1389000         1       0       0       0       0
  58                         >;
  59                 };
  60
  61                 /* Default unused, just provide register info for record */
  62                 abb_iva: regulator-abb-iva {
  63                         reg = <0x4a307bd8 0x8>, <0x4a306010 0x4>;
  64                         reg-names = "base-address", "int-address";
  65                 };
  66
  67         };
  68
  69 };
  70
  71 &cpu_thermal {
  72         thermal-sensors = <&bandgap>;
  73         coefficients = <0 20000>;
  74 };
  75
  76 /include/ "omap443x-clocks.dtsi"
  77
  78 /*
  79  * Use dpll_per for sgx at 307.2MHz like droid4 stock v3.0.8 Android kernel
  80  */
  81 &sgx_module {
  82         assigned-clocks = <&l3_gfx_clkctrl OMAP4_GPU_CLKCTRL 24>,
  83                           <&dpll_per_m7x2_ck>;
  84         assigned-clock-rates = <0>, <307200000>;
  85         assigned-clock-parents = <&dpll_per_m7x2_ck>;
  86 };