arch/arm/boot/dts/am335x-osd335x-common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   4  *
   5  * Author: Robert Nelson <robertcnelson@gmail.com>
   6  */
   7
   8 / {
   9         cpus {
  10                 cpu@0 {
  11                         cpu0-supply = <&dcdc2_reg>;
  12                 };
  13         };
  14
  15         memory@80000000 {
  16                 device_type = "memory";
  17                 reg = <0x80000000 0x20000000>; /* 512 MB */
  18         };
  19 };
  20
  21 &cpu0_opp_table {
  22         /*
  23         * Octavo Systems:
  24         * The EFUSE_SMA register is not programmed for any of the AM335x wafers
  25         * we get and we are not programming them during our production test.
  26         * Therefore, from a DEVICE_ID revision point of view, the silicon looks
  27         * like it is Revision 2.1.  However, from an EFUSE_SMA point of view for
  28         * the HW OPP table, the silicon looks like it is Revision 1.0 (ie the
  29         * EFUSE_SMA register reads as all zeros).
  30         */
  31         oppnitro-1000000000 {
  32                 opp-supported-hw = <0x06 0x0100>;
  33         };
  34 };
  35
  36 &am33xx_pinmux {
  37         i2c0_pins: pinmux-i2c0-pins {
  38                 pinctrl-single,pins = <
  39                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)       /* (C17) I2C0_SDA.I2C0_SDA */
  40                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)       /* (C16) I2C0_SCL.I2C0_SCL */
  41                 >;
  42         };
  43 };
  44
  45 &i2c0 {
  46         pinctrl-names = "default";
  47         pinctrl-0 = <&i2c0_pins>;
  48
  49         status = "okay";
  50         clock-frequency = <400000>;
  51
  52         tps: tps@24 {
  53                 reg = <0x24>;
  54         };
  55 };
  56
  57 /include/ "tps65217.dtsi"
  58
  59 &tps {
  60         interrupts = <7>; /* NMI */
  61         interrupt-parent = <&intc>;
  62
  63         ti,pmic-shutdown-controller;
  64
  65         pwrbutton {
  66                 interrupts = <2>;
  67                 status = "okay";
  68         };
  69
  70         regulators {
  71                 dcdc1_reg: regulator@0 {
  72                         regulator-name = "vdds_dpr";
  73                         regulator-always-on;
  74                 };
  75
  76                 dcdc2_reg: regulator@1 {
  77                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
  78                         regulator-name = "vdd_mpu";
  79                         regulator-min-microvolt = <925000>;
  80                         regulator-max-microvolt = <1351500>;
  81                         regulator-boot-on;
  82                         regulator-always-on;
  83                 };
  84
  85                 dcdc3_reg: regulator@2 {
  86                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
  87                         regulator-name = "vdd_core";
  88                         regulator-min-microvolt = <925000>;
  89                         regulator-max-microvolt = <1150000>;
  90                         regulator-boot-on;
  91                         regulator-always-on;
  92                 };
  93
  94                 ldo1_reg: regulator@3 {
  95                         regulator-name = "vio,vrtc,vdds";
  96                         regulator-always-on;
  97                 };
  98
  99                 ldo2_reg: regulator@4 {
 100                         regulator-name = "vdd_3v3aux";
 101                         regulator-always-on;
 102                 };
 103
 104                 ldo3_reg: regulator@5 {
 105                         regulator-name = "vdd_1v8";
 106                         regulator-min-microvolt = <1800000>;
 107                         regulator-max-microvolt = <1800000>;
 108                         regulator-always-on;
 109                 };
 110
 111                 ldo4_reg: regulator@6 {
 112                         regulator-name = "vdd_3v3a";
 113                         regulator-always-on;
 114                 };
 115         };
 116 };
 117
 118 &aes {
 119         status = "okay";
 120 };
 121
 122 &sham {
 123         status = "okay";
 124 };