Add devicetree for the EVKB, which comes with LPDDR4 and a different PMIC. Signed-off-by: Johannes Schneider <johannes.schneider@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mm-evkb.dts | 116 ++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-evkb.dts diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts b/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts new file mode 100644 index 000000000000..b2d724ad43b2 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2019-2020 NXP + */ + +/dts-v1/; + +#include "imx8mm-evk.dtsi" + +/ { + model = "FSL i.MX8MM EVKB"; // with LPDDR4 and PCA9450 PMIC + compatible = "fsl,imx8mm-evkb", "fsl,imx8mm"; +}; + +&i2c1 { + pmic: pmic@25 { + compatible = "nxp,pca9450a"; + reg = <0x25>; + pinctrl-0 = <&pinctrl_pmic>; + pinctrl-names = "default"; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + buck1_reg: BUCK1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <820000>; + nxp,dvs-standby-voltage = <800000>; + }; + + buck2_reg: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + buck3_reg: BUCK3 { + regulator-name = "BUCK3"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + }; + + buck4_reg: BUCK4 { + regulator-name = "BUCK4"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5_reg: BUCK5 { + regulator-name = "BUCK5"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck6_reg: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + 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 = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5_reg: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; +}; -- 2.25.1