diff options
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts new file mode 100644 index 000000000..cc2ff59ac --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts @@ -0,0 +1,160 @@ +// 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; + }; + }; + }; +}; |