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| author | Peng Fan <peng.fan@nxp.com> | 2021-03-19 15:57:08 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2021-04-08 09:18:29 +0200 |
| commit | 4e805c197be408954c50e5d1c7a492d1cf2c7c20 (patch) | |
| tree | 051f062ffdab61d664a15c768323e827cb0b85c7 /arch/arm/dts/imx8mn-evk.dts | |
| parent | e3422b0d597621b9be51fe2503a93da1710fe385 (diff) | |
| download | u-boot-4e805c197be408954c50e5d1c7a492d1cf2c7c20.zip u-boot-4e805c197be408954c50e5d1c7a492d1cf2c7c20.tar.gz u-boot-4e805c197be408954c50e5d1c7a492d1cf2c7c20.tar.bz2 | |
imx8mn: Add LPDDR4 EVK board support
Add support for iMX8MN LPDDR4 EVK board which uses 2GB LPDDR4 and
PCA9450B PMIC.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm/dts/imx8mn-evk.dts')
| -rw-r--r-- | arch/arm/dts/imx8mn-evk.dts | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mn-evk.dts b/arch/arm/dts/imx8mn-evk.dts new file mode 100644 index 0000000..cd11fb2 --- /dev/null +++ b/arch/arm/dts/imx8mn-evk.dts @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2019 NXP + */ + +/dts-v1/; + +#include "imx8mn.dtsi" +#include "imx8mn-evk.dtsi" +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "NXP i.MX8MNano EVK board"; + compatible = "fsl,imx8mn-evk", "fsl,imx8mn"; +}; + +&A53_0 { + cpu-supply = <&buck2>; +}; + +&A53_1 { + cpu-supply = <&buck2>; +}; + +&A53_2 { + cpu-supply = <&buck2>; +}; + +&A53_3 { + cpu-supply = <&buck2>; +}; + +&i2c1 { + pmic: pca9450@25 { + compatible = "nxp,pca9450b"; + reg = <0x25>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + buck1: BUCK1{ + regulator-name = "BUCK1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + buck2: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <950000>; + nxp,dvs-standby-voltage = <850000>; + }; + + buck4: BUCK4{ + regulator-name = "BUCK4"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5: BUCK5{ + regulator-name = "BUCK5"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck6: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; |