From: Johannes Schneider <johannes.schneider@xxxxxxxxxxxxxxxxxxxx> Add the i.MX8MM-EVKB [1] devicetree support. The EVKB is basically the same device except for the different used PMIC. [1] https://www.nxp.com/design/development-boards/ \ i-mx-evaluation-and-development-boards/ \ evaluation-kit-for-the-i-mx-8m-mini-applications-processor:8MMINILPD4-EVK Signed-off-by: Johannes Schneider <johannes.schneider@xxxxxxxxxxxxxxxxxxxx> [m.felsch@xxxxxxxxxxxxxx: Adapt the commit message] [m.felsch@xxxxxxxxxxxxxx: Include Shawns feedback] [m.felsch@xxxxxxxxxxxxxx: Fix the regulator settings] Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/imx8mm-evkb.dts | 128 ++++++++++++++++++++++++++ 2 files changed, 129 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 198fff3731ae..a054313761a4 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-innocomm-wb15-evk.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..164df627a213 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2019-2020 NXP + */ + +/dts-v1/; + +#include "imx8mm-evk.dtsi" + +/ { + model = "FSL i.MX8MM EVKB"; + compatible = "fsl,imx8mm-evkb", "fsl,imx8mm"; +}; + +&i2c1 { + /delete-node/ pmic@4b; + + pmic@25 { + compatible = "nxp,pca9450a"; + reg = <0x25>; + pinctrl-0 = <&pinctrl_pmic>; + pinctrl-names = "default"; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + /* VDD_SOC with PCIe */ + buck1_reg: BUCK1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + /* VDD_ARM */ + buck2_reg: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-standby-voltage = <850000>; + }; + + /* VDD_GPU, VDD_VPU, VDD_DRAM */ + buck3_reg: BUCK3 { + regulator-name = "BUCK3"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; + + /* NVCC_3V3 */ + buck4_reg: BUCK4 { + regulator-name = "BUCK4"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_1V8, NVCC_1V8, NVCC_ENET */ + buck5_reg: BUCK5 { + regulator-name = "BUCK5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + /* NVCC_DRAM for LPDDR4 */ + buck6_reg: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-boot-on; + regulator-always-on; + }; + + /* NVCC_SNVS_1P8 */ + ldo1_reg: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_SNVS_0P8 */ + ldo2_reg: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <800000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_*_1V8 */ + ldo3_reg: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_PHY_0V9 */ + ldo4_reg: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + regulator-always-on; + }; + + /* NVCC_SD2 */ + ldo5_reg: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; +}; -- 2.39.2
