MIPS: dts: loongson: Add CQ-T300B board

Add a device tree for CQ-T300B board.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/boot/dts/loongson/Makefile b/arch/mips/boot/dts/loongson/Makefile
index de4570380c3edb10977a56d2b0572d3576243c39..e8f76e7ac30351f7ac5b66307b2f492ec4d0b399 100644 (file)
--- a/arch/mips/boot/dts/loongson/Makefile
+++ b/arch/mips/boot/dts/loongson/Makefile
@@ -6,6 +6,7 @@ dtb-$(CONFIG_MACH_LOONGSON64)   += loongson64c_8core_rs780e.dtb
 dtb-$(CONFIG_MACH_LOONGSON64)  += loongson64g_4core_ls7a.dtb
 dtb-$(CONFIG_MACH_LOONGSON64)  += loongson64v_4core_virtio.dtb
 
+dtb-$(CONFIG_MACH_LOONGSON32)  += cq-t300b.dtb
 dtb-$(CONFIG_MACH_LOONGSON32)  += ls1b-demo.dtb
 dtb-$(CONFIG_MACH_LOONGSON32)  += lsgz_1b_dev.dtb
 dtb-$(CONFIG_MACH_LOONGSON32)  += smartloong-1c.dtb

diff --git a/arch/mips/boot/dts/loongson/cq-t300b.dts b/arch/mips/boot/dts/loongson/cq-t300b.dts
new file mode 100644 (file)
index 0000000..5244fab
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/cq-t300b.dts
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+#include "loongson1c.dtsi"
+
+/ {
+       compatible = "loongson,cq-t300b", "loongson,ls1c";
+       model = "CQ-T300B Board";
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x0 0x8000000>;
+       };
+
+       aliases {
+               gpio0 = &gpio0;
+               gpio1 = &gpio1;
+               gpio2 = &gpio2;
+               gpio3 = &gpio3;
+               serial0 = &uart2;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led0 {
+                       label = "led0";
+                       gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "heartbeat";
+               };
+
+               led1 {
+                       label = "led1";
+                       gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "nand-disk";
+               };
+       };
+};
+
+&xtal {
+       clock-frequency = <24000000>;
+};
+
+&emac {
+       phy-handle = <&phy0>;
+       phy-mode = "rmii";
+       status = "okay";
+
+       mdio {
+               compatible = "snps,dwmac-mdio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               phy0: ethernet-phy@13 {
+                       reg = <0x13>;
+               };
+       };
+};
+
+&nand {
+       status = "okay";
+
+       nand@0 {
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "kernel";
+                               reg = <0x0 0x1000000>;
+                       };
+
+                       partition@1000000 {
+                               label = "rootfs";
+                               reg = <0x1000000 0x3f000000>;
+                       };
+               };
+       };
+};
+
+&ehci {
+       status = "okay";
+};
+
+&ohci {
+       status = "okay";
+};
+
+&rtc {
+       status = "okay";
+};
+
+&uart2 {
+       status = "okay";
+};
+
+&watchdog {
+       status = "okay";
+};