[PATCH] arm64: dts: Add a device tree file for Emtop SOM IMX8MM
Himanshu Bhavani
himanshu.bhavani at siliconsignals.io
Sat Apr 29 06:44:59 PDT 2023
>From 9b2f563e1286c960ad81bc78ec811029ffb2f57a Mon Sep 17 00:00:00 2001
From: Himanshu Bhavani <himanshu.bhavani at siliconsignals.io>
Date: Sat, 29 Apr 2023 19:03:53 +0530
Subject: [PATCH] Add a device tree file for Emtop SOM IMX8MM
Added dts for describing the Emtop SOM-IMX8MM
Signed-off-by: Himanshu Bhavani <himanshu.bhavani at siliconsignals.io>
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 198fff3731ae..8f281c753e5a 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-yavia.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-dahlia.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-dev.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-yavia.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-emtop.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2pro.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-emtop.dts b/arch/arm64/boot/dts/freescale/imx8mm-emtop.dts
new file mode 100644
index 000000000000..5238a3b5f4cf
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-emtop.dts
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/usb/pd.h>
+#include "imx8mm.dtsi"
+
+/ {
+ model = "FSL i.MX8MM Emtop SOM";
+ compatible = "fsl,imx8mm-emtop", "fsl,imx8mm-evk", "fsl,imx8mm";
+
+ chosen {
+ stdout-path = &uart2;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_led>;
+
+ sys {
+ label = "sys";
+ gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+};
+
+&A53_0 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_1 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_2 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_3 {
+ cpu-supply = <&buck2>;
+};
+
+&uart2 { /* console */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ status = "okay";
+};
+
+/* eMMC */
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ pmic at 25 {
+ reg = <0x25>;
+ compatible = "nxp,pca9450";
+ /* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */
+ pinctrl-0 = <&pinctrl_pmic>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <3 IRQ_TYPE_EDGE_RISING>;
+
+ regulators {
+
+ buck1: BUCK1 {
+ regulator-compatible = "BUCK1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck2: BUCK2 {
+ regulator-compatible = "BUCK2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <900000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck3: BUCK3 {
+ regulator-compatible = "BUCK3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck4: BUCK4 {
+ regulator-compatible = "BUCK4";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5: BUCK5 {
+ regulator-compatible = "BUCK5";
+ regulator-min-microvolt = <1650000>;
+ regulator-max-microvolt = <1950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck6: BUCK6 {
+ regulator-compatible = "BUCK6";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1: LDO1 {
+ regulator-compatible = "LDO1";
+ regulator-min-microvolt = <1650000>;
+ regulator-max-microvolt = <1950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2: LDO2 {
+ regulator-compatible = "LDO2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <945000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3: LDO3 {
+ regulator-compatible = "LDO3";
+ regulator-min-microvolt = <1710000>;
+ regulator-max-microvolt = <1890000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4: LDO4 {
+ regulator-compatible = "LDO4";
+ regulator-min-microvolt = <810000>;
+ regulator-max-microvolt = <945000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5: LDO5 {
+ regulator-compatible = "LDO5";
+ regulator-min-microvolt = <1650000>;
+ regulator-max-microvolt = <3600000>;
+ };
+ };
+ };
+};
+
+&iomuxc {
+ pinctrl-names = "default";
+
+ pinctrl_gpio_led: gpioledgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16 0x19
+ MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
+ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_pmic: pmicirq {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
+ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
+ >;
+ };
+
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
+ MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
+ MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
+ MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
+ MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
+ MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
+ MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
+ MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
+ MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
+ MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
+ MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
+ >;
+ };
+
+ pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
+ fsl,pins = <
+ MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
+ MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
+ MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
+ MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
+ MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
+ MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
+ MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
+ MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
+ MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
+ MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
+ MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
+ >;
+ };
+
+ pinctrl_usdhc3_200mhz: usdhc3grp200mhz {
+ fsl,pins = <
+ MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
+ MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
+ MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
+ MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
+ MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
+ MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
+ MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
+ MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
+ MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
+ MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
+ MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
+ >;
+ };
+};
--
2.25.1
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