ARM: dts: Add initial LS1021A IoT board dts support

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@nxp.com>
Signed-off-by: Changming Huang <jerry.huang@nxp.com>
Signed-off-by: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f0e5fc7..32e9bbf 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -753,6 +753,7 @@ 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 (file)
index 0000000..66bcdaf
--- /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: audio-codec@2a {
+               #sound-dai-cells=<0x0>;
+               compatible = "fsl,sgtl5000";
+               reg = <0x2a>;
+               VDDA-supply = <&reg_3p3v>;
+               VDDIO-supply = <&reg_2p5v>;
+               clocks = <&sys_mclk>;
+       };
+
+       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";
+};