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