0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright 2019 NXP
0004 */
0005
0006 /dts-v1/;
0007
0008 #include "imx8mn.dtsi"
0009 #include "imx8mn-evk.dtsi"
0010
0011 / {
0012 model = "NXP i.MX8MNano DDR4 EVK board";
0013 compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
0014 };
0015
0016 &A53_0 {
0017 cpu-supply = <&buck2_reg>;
0018 };
0019
0020 &A53_1 {
0021 cpu-supply = <&buck2_reg>;
0022 };
0023
0024 &A53_2 {
0025 cpu-supply = <&buck2_reg>;
0026 };
0027
0028 &A53_3 {
0029 cpu-supply = <&buck2_reg>;
0030 };
0031
0032 &ddrc {
0033 operating-points-v2 = <&ddrc_opp_table>;
0034
0035 ddrc_opp_table: opp-table {
0036 compatible = "operating-points-v2";
0037
0038 opp-25M {
0039 opp-hz = /bits/ 64 <25000000>;
0040 };
0041
0042 opp-100M {
0043 opp-hz = /bits/ 64 <100000000>;
0044 };
0045
0046 opp-600M {
0047 opp-hz = /bits/ 64 <600000000>;
0048 };
0049 };
0050 };
0051
0052 &i2c1 {
0053 pmic@4b {
0054 compatible = "rohm,bd71847";
0055 reg = <0x4b>;
0056 pinctrl-names = "default";
0057 pinctrl-0 = <&pinctrl_pmic>;
0058 interrupt-parent = <&gpio1>;
0059 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
0060 rohm,reset-snvs-powered;
0061
0062 #clock-cells = <0>;
0063 clocks = <&osc_32k 0>;
0064 clock-output-names = "clk-32k-out";
0065
0066 regulators {
0067 buck1_reg: BUCK1 {
0068 regulator-name = "buck1";
0069 regulator-min-microvolt = <700000>;
0070 regulator-max-microvolt = <1300000>;
0071 regulator-boot-on;
0072 regulator-always-on;
0073 regulator-ramp-delay = <1250>;
0074 };
0075
0076 buck2_reg: BUCK2 {
0077 regulator-name = "buck2";
0078 regulator-min-microvolt = <700000>;
0079 regulator-max-microvolt = <1300000>;
0080 regulator-boot-on;
0081 regulator-always-on;
0082 regulator-ramp-delay = <1250>;
0083 };
0084
0085 buck3_reg: BUCK3 {
0086 // BUCK5 in datasheet
0087 regulator-name = "buck3";
0088 regulator-min-microvolt = <700000>;
0089 regulator-max-microvolt = <1350000>;
0090 };
0091
0092 buck4_reg: BUCK4 {
0093 // BUCK6 in datasheet
0094 regulator-name = "buck4";
0095 regulator-min-microvolt = <3000000>;
0096 regulator-max-microvolt = <3300000>;
0097 regulator-boot-on;
0098 regulator-always-on;
0099 };
0100
0101 buck5_reg: BUCK5 {
0102 // BUCK7 in datasheet
0103 regulator-name = "buck5";
0104 regulator-min-microvolt = <1605000>;
0105 regulator-max-microvolt = <1995000>;
0106 regulator-boot-on;
0107 regulator-always-on;
0108 };
0109
0110 buck6_reg: BUCK6 {
0111 // BUCK8 in datasheet
0112 regulator-name = "buck6";
0113 regulator-min-microvolt = <800000>;
0114 regulator-max-microvolt = <1400000>;
0115 regulator-boot-on;
0116 regulator-always-on;
0117 };
0118
0119 ldo1_reg: LDO1 {
0120 regulator-name = "ldo1";
0121 regulator-min-microvolt = <1600000>;
0122 regulator-max-microvolt = <3300000>;
0123 regulator-boot-on;
0124 regulator-always-on;
0125 };
0126
0127 ldo2_reg: LDO2 {
0128 regulator-name = "ldo2";
0129 regulator-min-microvolt = <800000>;
0130 regulator-max-microvolt = <900000>;
0131 regulator-boot-on;
0132 regulator-always-on;
0133 };
0134
0135 ldo3_reg: LDO3 {
0136 regulator-name = "ldo3";
0137 regulator-min-microvolt = <1800000>;
0138 regulator-max-microvolt = <3300000>;
0139 regulator-boot-on;
0140 regulator-always-on;
0141 };
0142
0143 ldo4_reg: LDO4 {
0144 regulator-name = "ldo4";
0145 regulator-min-microvolt = <900000>;
0146 regulator-max-microvolt = <1800000>;
0147 regulator-boot-on;
0148 regulator-always-on;
0149 };
0150
0151 ldo6_reg: LDO6 {
0152 regulator-name = "ldo6";
0153 regulator-min-microvolt = <900000>;
0154 regulator-max-microvolt = <1800000>;
0155 regulator-boot-on;
0156 regulator-always-on;
0157 };
0158 };
0159 };
0160 };
