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-s-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi
new file mode 100644
index 0000000..5e368a6
--- /dev/null
+++ b/arch/arm/dts/imx8mm-kontron-n801x-s-u-boot.dtsi
@@ -0,0 +1,274 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Kontron Electronics GmbH
+ */
+
+#include "imx8mm-u-boot.dtsi"
+
+/ {
+ aliases {
+ usb0 = &usbotg1;
+ usb1 = &usbotg2;
+ };
+
+ binman: binman {
+ multiple-images;
+ };
+
+ wdt-reboot {
+ compatible = "wdt-reboot";
+ wdt = <&wdog1>;
+ u-boot,dm-spl;
+ };
+
+ firmware {
+ optee {
+ compatible = "linaro,optee-tz";
+ method = "smc";
+ };
+ };
+};
+
+&fec1 {
+ phy-mode = "rgmii-rxid";
+};
+
+&i2c1 {
+ u-boot,dm-spl;
+ u-boot,dm-pre-reloc;
+};
+
+&i2c2 {
+ status = "okay";
+ u-boot,dm-spl;
+ u-boot,dm-pre-reloc;
+};
+
+&pinctrl_ecspi1 {
+ u-boot,dm-spl;
+};
+
+&pinctrl_i2c1 {
+ u-boot,dm-spl;
+};
+
+&pinctrl_pmic {
+ u-boot,dm-spl;
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x141
+ /* Disable Pullup for SD_VSEL */
+ MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x41
+ >;
+};
+
+&pinctrl_uart3 {
+ u-boot,dm-spl;
+ u-boot,dm-pre-reloc;
+};
+
+&pinctrl_usdhc1 {
+ u-boot,dm-spl;
+};
+
+&pinctrl_usdhc1_100mhz {
+ u-boot,dm-spl;
+};
+
+&pinctrl_usdhc1_200mhz {
+ u-boot,dm-spl;
+};
+
+&pinctrl_usdhc2 {
+ u-boot,dm-spl;
+};
+
+&pca9450 {
+ u-boot,dm-spl;
+};
+
+&{/soc@0/bus@30800000/i2c@30a20000/pmic@25/regulators} {
+ u-boot,dm-spl;
+};
+
+&ecspi1 {
+ u-boot,dm-spl;
+};
+
+&gpio1 {
+ u-boot,dm-spl;
+};
+
+&gpio2 {
+ u-boot,dm-spl;
+};
+
+&gpio3 {
+ u-boot,dm-spl;
+};
+
+&gpio4 {
+ u-boot,dm-spl;
+};
+
+&gpio5 {
+ u-boot,dm-spl;
+};
+
+&uart3 {
+ u-boot,dm-spl;
+ u-boot,dm-pre-reloc;
+};
+
+&usdhc1 {
+ u-boot,dm-spl;
+};
+
+&usdhc2 {
+ u-boot,dm-spl;
+};
+
+&wdog1 {
+ u-boot,dm-spl;
+};
+
+&binman {
+ u-boot-spl-ddr {
+ filename = "u-boot-spl-ddr.bin";
+ pad-byte = <0xff>;
+ align-size = <4>;
+ align = <4>;
+
+ u-boot-spl {
+ align-end = <4>;
+ };
+
+ blob_1: blob-ext@1 {
+ filename = "lpddr4_pmu_train_1d_imem.bin";
+ size = <0x8000>;
+ };
+
+ blob_2: blob-ext@2 {
+ filename = "lpddr4_pmu_train_1d_dmem.bin";
+ size = <0x4000>;
+ };
+
+ blob_3: blob-ext@3 {
+ filename = "lpddr4_pmu_train_2d_imem.bin";
+ size = <0x8000>;
+ };
+
+ blob_4: blob-ext@4 {
+ filename = "lpddr4_pmu_train_2d_dmem.bin";
+ size = <0x4000>;
+ };
+ };
+
+ spl {
+ filename = "spl.bin";
+
+ mkimage {
+ args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x7e1000";
+
+ blob {
+ filename = "u-boot-spl-ddr.bin";
+ };
+ };
+ };
+
+ itb {
+ filename = "u-boot.itb";
+
+ fit {
+ description = "Configuration to load ATF before U-Boot";
+ #address-cells = <1>;
+ fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;
+
+ images {
+ uboot {
+ description = "U-Boot (64-bit)";
+ type = "standalone";
+ arch = "arm64";
+ compression = "none";
+ load = <CONFIG_SYS_TEXT_BASE>;
+
+ uboot_blob: blob-ext {
+ filename = "u-boot-nodtb.bin";
+ };
+ };
+
+ atf {
+ description = "ARM Trusted Firmware";
+ type = "firmware";
+ arch = "arm64";
+ compression = "none";
+ load = <0x920000>;
+ entry = <0x920000>;
+
+ atf_blob: blob-ext {
+ filename = "bl31.bin";
+ };
+ };
+
+ fdt {
+ description = "NAME";
+ type = "flat_dt";
+ compression = "none";
+
+ uboot_fdt_blob: blob-ext {
+ filename = "u-boot.dtb";
+ };
+ };
+ };
+
+ configurations {
+ default = "conf";
+
+ conf {
+ description = "NAME";
+ firmware = "uboot";
+ loadables = "atf";
+ fdt = "fdt";
+ };
+ };
+ };
+ };
+
+ imx-boot {
+ filename = "flash.bin";
+ pad-byte = <0x00>;
+
+ spl: blob-ext@1 {
+ offset = <0x0>;
+ filename = "spl.bin";
+ };
+
+ uboot: blob-ext@2 {
+ offset = <0x57c00>;
+ filename = "u-boot.itb";
+ };
+ };
+
+ u-boot-update {
+ filename = "firmware-update.itb";
+
+ fit {
+ description = "Configuration for firmware update file";
+
+ images {
+ flash-bin {
+ description = "U-Boot flash image";
+ type = "firmware";
+ os = "u-boot";
+ arch = "arm";
+ compress = "none";
+ load = <0>; /* unused */
+
+ blob {
+ filename = "flash.bin";
+ };
+
+ };
+ };
+ };
+ };
+};