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Message-Id: <20230503-b4-v6-3-topic-boards-imx8mm-evk-v1-2-1e15a371d374@pengutronix.de>
Date: Wed, 03 May 2023 17:20:05 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Johannes Schneider <johannes.schneider@...ca-geosystems.com>
Subject: [PATCH 2/2] arm64: dts: add NXP i.MX8MM-EVKB support
From: Johannes Schneider <johannes.schneider@...ca-geosystems.com>
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@...ca-geosystems.com>
[m.felsch@...gutronix.de: Adapt the commit message]
[m.felsch@...gutronix.de: Include Shawns feedback]
[m.felsch@...gutronix.de: Fix the regulator settings]
Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
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
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