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156 lines
3.0 KiB
156 lines
3.0 KiB
// SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
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/* |
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* Copyright 2019 NXP |
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*/ |
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/dts-v1/; |
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#include "imx8mn.dtsi" |
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#include "imx8mn-evk.dtsi" |
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/ { |
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model = "NXP i.MX8MNano DDR4 EVK board"; |
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compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn"; |
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}; |
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&A53_0 { |
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cpu-supply = <&buck2_reg>; |
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}; |
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&A53_1 { |
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cpu-supply = <&buck2_reg>; |
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}; |
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&A53_2 { |
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cpu-supply = <&buck2_reg>; |
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}; |
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&A53_3 { |
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cpu-supply = <&buck2_reg>; |
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}; |
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&ddrc { |
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operating-points-v2 = <&ddrc_opp_table>; |
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ddrc_opp_table: opp-table { |
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compatible = "operating-points-v2"; |
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opp-25M { |
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opp-hz = /bits/ 64 <25000000>; |
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}; |
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opp-100M { |
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opp-hz = /bits/ 64 <100000000>; |
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}; |
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opp-600M { |
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opp-hz = /bits/ 64 <600000000>; |
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}; |
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}; |
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}; |
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&i2c1 { |
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pmic@4b { |
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compatible = "rohm,bd71847"; |
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reg = <0x4b>; |
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pinctrl-names = "default"; |
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pinctrl-0 = <&pinctrl_pmic>; |
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interrupt-parent = <&gpio1>; |
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interrupts = <3 IRQ_TYPE_LEVEL_LOW>; |
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rohm,reset-snvs-powered; |
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regulators { |
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buck1_reg: BUCK1 { |
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regulator-name = "buck1"; |
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regulator-min-microvolt = <700000>; |
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regulator-max-microvolt = <1300000>; |
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regulator-boot-on; |
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regulator-always-on; |
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regulator-ramp-delay = <1250>; |
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}; |
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buck2_reg: BUCK2 { |
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regulator-name = "buck2"; |
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regulator-min-microvolt = <700000>; |
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regulator-max-microvolt = <1300000>; |
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regulator-boot-on; |
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regulator-always-on; |
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regulator-ramp-delay = <1250>; |
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}; |
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buck3_reg: BUCK3 { |
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// BUCK5 in datasheet |
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regulator-name = "buck3"; |
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regulator-min-microvolt = <700000>; |
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regulator-max-microvolt = <1350000>; |
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}; |
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buck4_reg: BUCK4 { |
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// BUCK6 in datasheet |
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regulator-name = "buck4"; |
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regulator-min-microvolt = <3000000>; |
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regulator-max-microvolt = <3300000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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buck5_reg: BUCK5 { |
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// BUCK7 in datasheet |
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regulator-name = "buck5"; |
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regulator-min-microvolt = <1605000>; |
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regulator-max-microvolt = <1995000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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buck6_reg: BUCK6 { |
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// BUCK8 in datasheet |
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regulator-name = "buck6"; |
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regulator-min-microvolt = <800000>; |
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regulator-max-microvolt = <1400000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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ldo1_reg: LDO1 { |
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regulator-name = "ldo1"; |
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regulator-min-microvolt = <1600000>; |
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regulator-max-microvolt = <3300000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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ldo2_reg: LDO2 { |
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regulator-name = "ldo2"; |
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regulator-min-microvolt = <800000>; |
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regulator-max-microvolt = <900000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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ldo3_reg: LDO3 { |
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regulator-name = "ldo3"; |
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regulator-min-microvolt = <1800000>; |
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regulator-max-microvolt = <3300000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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ldo4_reg: LDO4 { |
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regulator-name = "ldo4"; |
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regulator-min-microvolt = <900000>; |
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regulator-max-microvolt = <1800000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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ldo6_reg: LDO6 { |
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regulator-name = "ldo6"; |
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regulator-min-microvolt = <900000>; |
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regulator-max-microvolt = <1800000>; |
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regulator-boot-on; |
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regulator-always-on; |
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}; |
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}; |
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}; |
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};
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