Hi Johannes, please adapt the subject to: arm64: dts: add support for i.MX8MM-EVKB to avoid confusion with the revisions written in the schematics. Regards, Marco On 23-01-10, Johannes Schneider wrote: > 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/Makefile | 1 + > arch/arm64/boot/dts/freescale/imx8mm-evkb.dts | 116 ++++++++++++++++++ > 2 files changed, 117 insertions(+) > create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-evkb.dts > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile > index 3ea9edc87909..3bccc4d10928 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -55,6 +55,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-emcon-avari.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb > +dtb-$(CONFIG_ARCH_MXC) += imx8mm-evkb.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-icore-mx8mm-ctouch2.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-icore-mx8mm-edimm2.2.dtb > dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-bl.dtb > 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 > > >