arch/arm64/boot/dts/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 &ddrc {
  21         operating-points-v2 = <&ddrc_opp_table>;
  22
  23         ddrc_opp_table: opp-table {
  24                 compatible = "operating-points-v2";
  25
  26                 opp-25M {
  27                         opp-hz = /bits/ 64 <25000000>;
  28                 };
  29
  30                 opp-100M {
  31                         opp-hz = /bits/ 64 <100000000>;
  32                 };
  33
  34                 opp-600M {
  35                         opp-hz = /bits/ 64 <600000000>;
  36                 };
  37         };
  38 };
  39
  40 &i2c1 {
  41         pmic@4b {
  42                 compatible = "rohm,bd71847";
  43                 reg = <0x4b>;
  44                 pinctrl-0 = <&pinctrl_pmic>;
  45                 interrupt-parent = <&gpio1>;
  46                 interrupts = <3 GPIO_ACTIVE_LOW>;
  47                 rohm,reset-snvs-powered;
  48
  49                 regulators {
  50                         buck1_reg: BUCK1 {
  51                                 regulator-name = "BUCK1";
  52                                 regulator-min-microvolt = <700000>;
  53                                 regulator-max-microvolt = <1300000>;
  54                                 regulator-boot-on;
  55                                 regulator-always-on;
  56                                 regulator-ramp-delay = <1250>;
  57                         };
  58
  59                         buck2_reg: BUCK2 {
  60                                 regulator-name = "BUCK2";
  61                                 regulator-min-microvolt = <700000>;
  62                                 regulator-max-microvolt = <1300000>;
  63                                 regulator-boot-on;
  64                                 regulator-always-on;
  65                                 regulator-ramp-delay = <1250>;
  66                         };
  67
  68                         buck3_reg: BUCK3 {
  69                                 // BUCK5 in datasheet
  70                                 regulator-name = "BUCK3";
  71                                 regulator-min-microvolt = <700000>;
  72                                 regulator-max-microvolt = <1350000>;
  73                         };
  74
  75                         buck4_reg: BUCK4 {
  76                                 // BUCK6 in datasheet
  77                                 regulator-name = "BUCK4";
  78                                 regulator-min-microvolt = <3000000>;
  79                                 regulator-max-microvolt = <3300000>;
  80                                 regulator-boot-on;
  81                                 regulator-always-on;
  82                         };
  83
  84                         buck5_reg: BUCK5 {
  85                                 // BUCK7 in datasheet
  86                                 regulator-name = "BUCK5";
  87                                 regulator-min-microvolt = <1605000>;
  88                                 regulator-max-microvolt = <1995000>;
  89                                 regulator-boot-on;
  90                                 regulator-always-on;
  91                         };
  92
  93                         buck6_reg: BUCK6 {
  94                                 // BUCK8 in datasheet
  95                                 regulator-name = "BUCK6";
  96                                 regulator-min-microvolt = <800000>;
  97                                 regulator-max-microvolt = <1400000>;
  98                                 regulator-boot-on;
  99                                 regulator-always-on;
 100                         };
 101
 102                         ldo1_reg: LDO1 {
 103                                 regulator-name = "LDO1";
 104                                 regulator-min-microvolt = <3000000>;
 105                                 regulator-max-microvolt = <3300000>;
 106                                 regulator-boot-on;
 107                                 regulator-always-on;
 108                         };
 109
 110                         ldo2_reg: LDO2 {
 111                                 regulator-name = "LDO2";
 112                                 regulator-min-microvolt = <900000>;
 113                                 regulator-max-microvolt = <900000>;
 114                                 regulator-boot-on;
 115                                 regulator-always-on;
 116                         };
 117
 118                         ldo3_reg: LDO3 {
 119                                 regulator-name = "LDO3";
 120                                 regulator-min-microvolt = <1800000>;
 121                                 regulator-max-microvolt = <3300000>;
 122                                 regulator-boot-on;
 123                                 regulator-always-on;
 124                         };
 125
 126                         ldo4_reg: LDO4 {
 127                                 regulator-name = "LDO4";
 128                                 regulator-min-microvolt = <900000>;
 129                                 regulator-max-microvolt = <1800000>;
 130                                 regulator-boot-on;
 131                                 regulator-always-on;
 132                         };
 133
 134                         ldo6_reg: LDO6 {
 135                                 regulator-name = "LDO6";
 136                                 regulator-min-microvolt = <900000>;
 137                                 regulator-max-microvolt = <1800000>;
 138                                 regulator-boot-on;
 139                                 regulator-always-on;
 140                         };
 141                 };
 142         };
 143 };
 144
 145 &iomuxc {
 146         pinctrl_pmic: pmicirq {
 147                 fsl,pins = <
 148                         MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3       0x41
 149                 >;
 150         };
 151 };