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-rw-r--r--arch/arm/boot/dts/imx28-lwe.dtsi170
1 files changed, 170 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-lwe.dtsi b/arch/arm/boot/dts/imx28-lwe.dtsi
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+++ b/arch/arm/boot/dts/imx28-lwe.dtsi
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2021
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+/dts-v1/;
+#include "imx28.dtsi"
+
+/ {
+ aliases {
+ spi2 = &ssp3;
+ };
+
+ chosen {
+ bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1";
+ };
+
+ memory@40000000 {
+ reg = <0x40000000 0x08000000>;
+ };
+
+ reg_3v3: regulator-reg-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_usb_5v: regulator-reg-usb-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ reg_fec_3v3: regulator-reg-fec-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "fec-phy";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+};
+
+&duart {
+ pinctrl-names = "default";
+ pinctrl-0 = <&duart_pins_a>;
+ status = "okay";
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+};
+
+&saif0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&saif0_pins_a>;
+ #sound-dai-cells = <0>;
+ assigned-clocks = <&clks 53>;
+ assigned-clock-rates = <12000000>;
+ status = "okay";
+};
+
+&saif1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&saif1_pins_a>;
+ fsl,saif-master = <&saif0>;
+ #sound-dai-cells = <0>;
+ status = "okay";
+};
+
+&spi3_pins_a {
+ fsl,pinmux-ids = <
+ MX28_PAD_AUART2_RX__SSP3_D4
+ MX28_PAD_AUART2_TX__SSP3_D5
+ MX28_PAD_SSP3_SCK__SSP3_SCK
+ MX28_PAD_SSP3_MOSI__SSP3_CMD
+ MX28_PAD_SSP3_MISO__SSP3_D0
+ MX28_PAD_SSP3_SS0__SSP3_D3
+ MX28_PAD_AUART2_TX__GPIO_3_9
+ >;
+};
+
+&ssp0 {
+ compatible = "fsl,imx28-mmc";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_8bit_pins_a>;
+ bus-width = <8>;
+ vmmc-supply = <&reg_3v3>;
+ non-removable;
+ status = "okay";
+};
+
+&ssp2 {
+ compatible = "fsl,imx28-spi";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_pins_a>;
+ status = "okay";
+};
+
+&ssp3 {
+ compatible = "fsl,imx28-spi";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi3_pins_a>;
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <40000000>;
+ reg = <0>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0 0x80000>;
+ read-only;
+ };
+
+ partition@80000 {
+ label = "env0";
+ reg = <0x80000 0x10000>;
+ };
+
+ partition@90000 {
+ label = "env1";
+ reg = <0x90000 0x10000>;
+ };
+
+ partition@100000 {
+ label = "kernel";
+ reg = <0x100000 0x400000>;
+ };
+
+ partition@500000 {
+ label = "swupdate";
+ reg = <0x500000 0x800000>;
+ };
+ };
+ };
+};
+
+&usb0 {
+ vbus-supply = <&reg_usb_5v>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_pins_b>, <&usb0_id_pins_a>;
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbphy0 {
+ status = "okay";
+};
+
+&usb1 {
+ vbus-supply = <&reg_usb_5v>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb1_pins_b>;
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbphy1 {
+ status = "okay";
+};