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arm64: dts: add NXP i.MX8MM-EVKB support

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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@leica-geosystems.com>
[m.felsch@pengutronix.de: Adapt the commit message]
[m.felsch@pengutronix.de: Include Shawns feedback]
[m.felsch@pengutronix.de: Fix the regulator settings]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Johannes Schneider
2023-05-03 17:20:05 +02:00
committed by Shawn Guo
parent 4088f98e25
commit b87f4ff57d
2 changed files with 129 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/boot/dts/freescale/Makefile
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@@ -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

128
arch/arm64/boot/dts/freescale/imx8mm-evkb.dts Normal file
View File

@@ -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>;
};
};
};
};