Quelle  imx8mn-ddr4-evk.dts   Sprache: unbekannt

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 */

/dts-v1/;

#include "imx8mn.dtsi"
#include "imx8mn-evk.dtsi"

/ {
 model = "NXP i.MX8MNano DDR4 EVK board";
 compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
};

&A53_0 {
 cpu-supply = <&buck2_reg>;
};

&A53_1 {
 cpu-supply = <&buck2_reg>;
};

&A53_2 {
 cpu-supply = <&buck2_reg>;
};

&A53_3 {
 cpu-supply = <&buck2_reg>;
};

&ddrc {
 operating-points-v2 = <&ddrc_opp_table>;

 ddrc_opp_table: opp-table {
  compatible = "operating-points-v2";

  opp-25000000 {
   opp-hz = /bits/ 64 <25000000>;
  };

  opp-100000000 {
   opp-hz = /bits/ 64 <100000000>;
  };

  opp-600000000 {
   opp-hz = /bits/ 64 <600000000>;
  };
 };
};

&i2c1 {
 pmic@4b {
  compatible = "rohm,bd71847";
  reg = <0x4b>;
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_pmic>;
  interrupt-parent = <&gpio1>;
  interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
  rohm,reset-snvs-powered;

  #clock-cells = <0>;
  clocks = <&osc_32k>;
  clock-output-names = "clk-32k-out";

  regulators {
   buck1_reg: BUCK1 {
    regulator-name = "buck1";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1300000>;
    regulator-boot-on;
    regulator-always-on;
    regulator-ramp-delay = <1250>;
   };

   buck2_reg: BUCK2 {
    regulator-name = "buck2";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1300000>;
    regulator-boot-on;
    regulator-always-on;
    regulator-ramp-delay = <1250>;
   };

   buck3_reg: BUCK3 {
    // BUCK5 in datasheet
    regulator-name = "buck3";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1350000>;
   };

   buck4_reg: BUCK4 {
    // BUCK6 in datasheet
    regulator-name = "buck4";
    regulator-min-microvolt = <3000000>;
    regulator-max-microvolt = <3300000>;
    regulator-boot-on;
    regulator-always-on;
   };

   buck5_reg: BUCK5 {
    // BUCK7 in datasheet
    regulator-name = "buck5";
    regulator-min-microvolt = <1605000>;
    regulator-max-microvolt = <1995000>;
    regulator-boot-on;
    regulator-always-on;
   };

   buck6_reg: BUCK6 {
    // BUCK8 in datasheet
    regulator-name = "buck6";
    regulator-min-microvolt = <800000>;
    regulator-max-microvolt = <1400000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo1_reg: LDO1 {
    regulator-name = "ldo1";
    regulator-min-microvolt = <1600000>;
    regulator-max-microvolt = <3300000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo2_reg: LDO2 {
    regulator-name = "ldo2";
    regulator-min-microvolt = <800000>;
    regulator-max-microvolt = <900000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo3_reg: LDO3 {
    regulator-name = "ldo3";
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <3300000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo4_reg: LDO4 {
    regulator-name = "ldo4";
    regulator-min-microvolt = <900000>;
    regulator-max-microvolt = <1800000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo6_reg: LDO6 {
    regulator-name = "ldo6";
    regulator-min-microvolt = <900000>;
    regulator-max-microvolt = <1800000>;
    regulator-boot-on;
    regulator-always-on;
   };
  };
 };
};

&i2c2 {
 hdmi@3d {
  avdd-supply = <&buck5_reg>;
  dvdd-supply = <&buck5_reg>;
  pvdd-supply = <&buck5_reg>;
  a2vdd-supply = <&buck5_reg>;
  v1p2-supply = <&buck5_reg>;
 };
};

&i2c3 {
 camera@3c {
  DOVDD-supply = <&buck5_reg>;
 };
};