The LS1021A-IoT gateway reference design is a purpose-built,
small footprint hardware platform equipped with a wide array
of both high-speed connectivity and low speed serial interfaces.
CC: Li Yang <leoyang.li@xxxxxxx>
Signed-off-by: Changming Huang <jerry.huang@xxxxxxx>
Signed-off-by: Alison Wang <alison.wang@xxxxxxx>
---
changes in v3:
- adjust to generic node name for i2c nodes
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/ls1021a-iot.dts | 227 ++++++++++++++++++++++++++++++
2 files changed, 228 insertions(+)
create mode 100644 arch/arm/boot/dts/ls1021a-iot.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7c16f8a2b738..e2faf913e313 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -744,6 +744,7 @@ dtb-$(CONFIG_SOC_IMX7ULP) += \
dtb-$(CONFIG_SOC_LAN966) += \
lan966x-pcb8291.dtb
dtb-$(CONFIG_SOC_LS1021A) += \
+ ls1021a-iot.dtb \
ls1021a-moxa-uc-8410a.dtb \
ls1021a-qds.dtb \
ls1021a-tsn.dtb \
diff --git a/arch/arm/boot/dts/ls1021a-iot.dts b/arch/arm/boot/dts/ls1021a-iot.dts
new file mode 100644
index 000000000000..9e5a41880050
--- /dev/null
+++ b/arch/arm/boot/dts/ls1021a-iot.dts
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021-2022 NXP
+ *
+ */
+
+/dts-v1/;
+#include "ls1021a.dtsi"
+
+/ {
+ model = "LS1021A-IOT Board";
+ compatible = "fsl,ls1021a-iot", "fsl,ls1021a";
+
+ sys_mclk: clock-mclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24576000>;
+ };
+
+ reg_3p3v: regulator-3V3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ reg_2p5v: regulator-2V5 {
+ compatible = "regulator-fixed";
+ regulator-name = "2P5V";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,widgets =
+ "Microphone", "Microphone Jack",
+ "Headphone", "Headphone Jack",
+ "Speaker", "Speaker Ext",
+ "Line", "Line In Jack";
+ simple-audio-card,routing =
+ "MIC_IN", "Microphone Jack",
+ "Microphone Jack", "Mic Bias",
+ "LINE_IN", "Line In Jack",
+ "Headphone Jack", "HP_OUT",
+ "Speaker Ext", "LINE_OUT";
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai2>;
+ frame-master;
+ bitclock-master;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&sgtl5000>;
+ frame-master;
+ bitclock-master;
+ };
+ };
+};
+
+&can0{
+ status = "disabled";
+};
+
+&can1{
+ status = "disabled";
+};
+
+&can2{
+ status = "disabled";
+};
+
+&can3{
+ status = "okay";
+};
+
+&dcu {
+ display = <&display>;
+ status = "okay";
+
+ display: display@0 {
+ bits-per-pixel = <24>;
+
+ display-timings {
+ native-mode = <&timing0>;
+
+ timing0: mode0 {
+ clock-frequency = <25000000>;
+ hactive = <640>;
+ vactive = <480>;
+ hback-porch = <80>;
+ hfront-porch = <80>;
+ vback-porch = <16>;
+ vfront-porch = <16>;
+ hsync-len = <12>;
+ vsync-len = <2>;
+ hsync-active = <1>;
+ vsync-active = <1>;
+ };
+ };
+ };
+};
+
+&enet0 {
+ tbi-handle = <&tbi1>;
+ phy-handle = <&phy1>;
+ phy-connection-type = "sgmii";
+ status = "okay";
+};
+
+&enet1 {
+ tbi-handle = <&tbi1>;
+ phy-handle = <&phy3>;
+ phy-connection-type = "sgmii";
+ status = "okay";
+};
+
+&enet2 {
+ fixed-link = <0 1 1000 0 0>;
+ phy-connection-type = "rgmii-id";
+ status = "okay";
+};
+
+&esdhc{
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ pca9555: gpio@23 {
+ compatible = "nxp,pca9555";
+ reg = <0x23>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ sgtl5000: codec@2a {
+ #sound-dai-cells=<0x0>;
+ compatible = "fsl,sgtl5000";
+ reg = <0x2a>;
+ VDDA-supply = <®_3p3v>;
+ VDDIO-supply = <®_2p5v>;
+ clocks = <&sys_mclk 1>;
+ };
+
+ max1239: adc@35 {
+ compatible = "maxim,max1239";
+ reg = <0x35>;
+ #io-channel-cells = <1>;
+ };
+
+ ina2201: core_monitor@44 {
+ compatible = "ti,ina220";
+ reg = <0x44>;
+ shunt-resistor = <1000>;
+ };
+
+ ina2202: current_monitor@45 {
+ compatible = "ti,ina220";
+ reg = <0x45>;
+ shunt-resistor = <1000>;
+ };
+
+ lm75b: thermal_monitor@48 {
+ compatible = "national,lm75b";
+ reg = <0x48>;
+ };
+};
+
+&lpuart0 {
+ status = "okay";
+};
+
+&mdio0 {
+ phy0: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+
+ phy1: ethernet-phy@1 {
+ reg = <0x1>;
+ };
+
+ phy2: ethernet-phy@2 {
+ reg = <0x2>;
+ };
+
+ phy3: ethernet-phy@3 {
+ reg = <0x3>;
+ };
+
+ tbi1: tbi-phy@1f {
+ reg = <0x1f>;
+ device_type = "tbi-phy";
+ };
+};
+
+&qspi {
+ num-cs = <2>;
+ status = "okay";
+
+ s25fl128s: flash@0 {
+ compatible = "jedec,spi-nor";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <20000000>;
+ reg = <0>;
+ };
+};
+
+&sai2 {
+ status = "okay";
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
--
2.25.1
