src/arm64/freescale/imx8mn-ddr4-evk.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright 2019 NXP
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "imx8mn.dtsi"
   9 #include "imx8mn-evk.dtsi"
  10
  11 / {
  12         model = "NXP i.MX8MNano DDR4 EVK board";
  13         compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
  14 };
  15
  16 &A53_0 {
  17         cpu-supply = <&buck2_reg>;
  18 };
  19
  20 &A53_1 {
  21         cpu-supply = <&buck2_reg>;
  22 };
  23
  24 &A53_2 {
  25         cpu-supply = <&buck2_reg>;
  26 };
  27
  28 &A53_3 {
  29         cpu-supply = <&buck2_reg>;
  30 };
  31
  32 &ddrc {
  33         operating-points-v2 = <&ddrc_opp_table>;
  34
  35         ddrc_opp_table: opp-table {
  36                 compatible = "operating-points-v2";
  37
  38                 opp-25000000 {
  39                         opp-hz = /bits/ 64 <25000000>;
  40                 };
  41
  42                 opp-100000000 {
  43                         opp-hz = /bits/ 64 <100000000>;
  44                 };
  45
  46                 opp-600000000 {
  47                         opp-hz = /bits/ 64 <600000000>;
  48                 };
  49         };
  50 };
  51
  52 &i2c1 {
  53         pmic@4b {
  54                 compatible = "rohm,bd71847";
  55                 reg = <0x4b>;
  56                 pinctrl-names = "default";
  57                 pinctrl-0 = <&pinctrl_pmic>;
  58                 interrupt-parent = <&gpio1>;
  59                 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
  60                 rohm,reset-snvs-powered;
  61
  62                 #clock-cells = <0>;
  63                 clocks = <&osc_32k 0>;
  64                 clock-output-names = "clk-32k-out";
  65
  66                 regulators {
  67                         buck1_reg: BUCK1 {
  68                                 regulator-name = "buck1";
  69                                 regulator-min-microvolt = <700000>;
  70                                 regulator-max-microvolt = <1300000>;
  71                                 regulator-boot-on;
  72                                 regulator-always-on;
  73                                 regulator-ramp-delay = <1250>;
  74                         };
  75
  76                         buck2_reg: BUCK2 {
  77                                 regulator-name = "buck2";
  78                                 regulator-min-microvolt = <700000>;
  79                                 regulator-max-microvolt = <1300000>;
  80                                 regulator-boot-on;
  81                                 regulator-always-on;
  82                                 regulator-ramp-delay = <1250>;
  83                         };
  84
  85                         buck3_reg: BUCK3 {
  86                                 // BUCK5 in datasheet
  87                                 regulator-name = "buck3";
  88                                 regulator-min-microvolt = <700000>;
  89                                 regulator-max-microvolt = <1350000>;
  90                         };
  91
  92                         buck4_reg: BUCK4 {
  93                                 // BUCK6 in datasheet
  94                                 regulator-name = "buck4";
  95                                 regulator-min-microvolt = <3000000>;
  96                                 regulator-max-microvolt = <3300000>;
  97                                 regulator-boot-on;
  98                                 regulator-always-on;
  99                         };
 100
 101                         buck5_reg: BUCK5 {
 102                                 // BUCK7 in datasheet
 103                                 regulator-name = "buck5";
 104                                 regulator-min-microvolt = <1605000>;
 105                                 regulator-max-microvolt = <1995000>;
 106                                 regulator-boot-on;
 107                                 regulator-always-on;
 108                         };
 109
 110                         buck6_reg: BUCK6 {
 111                                 // BUCK8 in datasheet
 112                                 regulator-name = "buck6";
 113                                 regulator-min-microvolt = <800000>;
 114                                 regulator-max-microvolt = <1400000>;
 115                                 regulator-boot-on;
 116                                 regulator-always-on;
 117                         };
 118
 119                         ldo1_reg: LDO1 {
 120                                 regulator-name = "ldo1";
 121                                 regulator-min-microvolt = <1600000>;
 122                                 regulator-max-microvolt = <3300000>;
 123                                 regulator-boot-on;
 124                                 regulator-always-on;
 125                         };
 126
 127                         ldo2_reg: LDO2 {
 128                                 regulator-name = "ldo2";
 129                                 regulator-min-microvolt = <800000>;
 130                                 regulator-max-microvolt = <900000>;
 131                                 regulator-boot-on;
 132                                 regulator-always-on;
 133                         };
 134
 135                         ldo3_reg: LDO3 {
 136                                 regulator-name = "ldo3";
 137                                 regulator-min-microvolt = <1800000>;
 138                                 regulator-max-microvolt = <3300000>;
 139                                 regulator-boot-on;
 140                                 regulator-always-on;
 141                         };
 142
 143                         ldo4_reg: LDO4 {
 144                                 regulator-name = "ldo4";
 145                                 regulator-min-microvolt = <900000>;
 146                                 regulator-max-microvolt = <1800000>;
 147                                 regulator-boot-on;
 148                                 regulator-always-on;
 149                         };
 150
 151                         ldo6_reg: LDO6 {
 152                                 regulator-name = "ldo6";
 153                                 regulator-min-microvolt = <900000>;
 154                                 regulator-max-microvolt = <1800000>;
 155                                 regulator-boot-on;
 156                                 regulator-always-on;
 157                         };
 158                 };
 159         };
 160 };