imx: imx8mm: Add support for Kontron Electronics SL/BL i.MX8M-Mini boards (N801x)
The Kontron SoM-Line i.MX8MM (N801x) by Kontron Electronics GmbH is a SoM
module with an i.MX8M-Mini SoC, 1/2/4 GB LPDDR4 RAM, SPI NOR, eMMC and PMIC.
The matching evaluation boards (Board-Line) have 2 Ethernets, USB 2.0, HDMI/LVDS,
SD card, CAN, RS485 and much more.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Tested-by: Heiko Thiery <heiko.thiery@gmail.com>
diff --git a/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
new file mode 100644
index 0000000..c3418d2
--- /dev/null
+++ b/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2019 Kontron Electronics GmbH
+ */
+
+#include "imx8mm.dtsi"
+
+/ {
+ model = "Kontron i.MX8MM N801X SoM";
+ compatible = "kontron,imx8mm-n801x-som", "fsl,imx8mm";
+
+ memory@40000000 {
+ device_type = "memory";
+ /*
+ * There are multiple SoM flavors with different DDR sizes.
+ * The smallest is 1GB. For larger sizes the bootloader will
+ * update the reg property.
+ */
+ reg = <0x0 0x40000000 0 0x80000000>;
+ };
+
+ chosen {
+ stdout-path = &uart3;
+ };
+};
+
+&A53_0 {
+ cpu-supply = <®_vdd_arm>;
+};
+
+&A53_1 {
+ cpu-supply = <®_vdd_arm>;
+};
+
+&A53_2 {
+ cpu-supply = <®_vdd_arm>;
+};
+
+&A53_3 {
+ cpu-supply = <®_vdd_arm>;
+};
+
+&ddrc {
+ operating-points-v2 = <&ddrc_opp_table>;
+
+ ddrc_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-25M {
+ opp-hz = /bits/ 64 <25000000>;
+ };
+
+ opp-100M {
+ opp-hz = /bits/ 64 <100000000>;
+ };
+
+ opp-750M {
+ opp-hz = /bits/ 64 <750000000>;
+ };
+ };
+};
+
+&ecspi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ecspi1>;
+ cs-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ spi-flash@0 {
+ compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
+ spi-max-frequency = <80000000>;
+ reg = <0>;
+ };
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ pca9450: pmic@25 {
+ compatible = "nxp,pca9450a";
+ reg = <0x25>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pmic>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+
+ regulators {
+ reg_vdd_soc: BUCK1 {
+ regulator-name = "buck1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <850000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ nxp,dvs-run-voltage = <850000>;
+ nxp,dvs-standby-voltage = <800000>;
+ };
+
+ reg_vdd_arm: BUCK2 {
+ regulator-name = "buck2";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ nxp,dvs-run-voltage = <950000>;
+ nxp,dvs-standby-voltage = <850000>;
+ };
+
+ reg_vdd_dram: BUCK3 {
+ regulator-name = "buck3";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vdd_3v3: BUCK4 {
+ regulator-name = "buck4";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vdd_1v8: BUCK5 {
+ regulator-name = "buck5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_nvcc_dram: BUCK6 {
+ regulator-name = "buck6";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_nvcc_snvs: LDO1 {
+ regulator-name = "ldo1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vdd_snvs: LDO2 {
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vdda: LDO3 {
+ regulator-name = "ldo3";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vdd_phy: LDO4 {
+ regulator-name = "ldo4";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_nvcc_sd: LDO5 {
+ regulator-name = "ldo5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+ };
+};
+
+&uart3 { /* console */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
+ status = "okay";
+};
+
+&usdhc1 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ vmmc-supply = <®_vdd_3v3>;
+ vqmmc-supply = <®_vdd_1v8>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_ecspi1: ecspi1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_ECSPI1_MISO_ECSPI1_MISO 0x82
+ MX8MM_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI 0x82
+ MX8MM_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK 0x82
+ MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x19
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
+ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_pmic: pmicgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x141
+ MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x141
+ >;
+ };
+
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX 0x140
+ MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX 0x140
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d0
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d0
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d0
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d0
+ MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B 0x019
+ MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x190
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x194
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d4
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d4
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d4
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d4
+ MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B 0x019
+ MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x194
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x196
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
+ MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4 0x1d6
+ MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5 0x1d6
+ MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6 0x1d6
+ MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7 0x1d6
+ MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B 0x019
+ MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x196
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
+ >;
+ };
+};