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-25M { 39 opp-hz = /bits/ 64 <25000000>; 40 }; 41 42 opp-100M { 43 opp-hz = /bits/ 64 <100000000>; 44 }; 45 46 opp-600M { 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}; 161