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-rw-r--r--arch/mips/boot/dts/Makefile1
-rw-r--r--arch/mips/boot/dts/brcm/bcm7346.dtsi3
-rw-r--r--arch/mips/boot/dts/brcm/bcm7360.dtsi3
-rw-r--r--arch/mips/boot/dts/brcm/bcm7362.dtsi3
-rw-r--r--arch/mips/boot/dts/brcm/bcm7425.dtsi6
-rw-r--r--arch/mips/boot/dts/brcm/bcm7435.dtsi6
-rw-r--r--arch/mips/boot/dts/lantiq/danube.dtsi6
-rw-r--r--arch/mips/boot/dts/lantiq/danube_easy50712.dts4
-rw-r--r--arch/mips/boot/dts/loongson/Makefile10
-rw-r--r--arch/mips/boot/dts/loongson/cq-t300b.dts110
-rw-r--r--arch/mips/boot/dts/loongson/loongson1.dtsi136
-rw-r--r--arch/mips/boot/dts/loongson/loongson1b.dtsi198
-rw-r--r--arch/mips/boot/dts/loongson/loongson1c.dtsi141
-rw-r--r--arch/mips/boot/dts/loongson/ls1b-demo.dts125
-rw-r--r--arch/mips/boot/dts/loongson/lsgz_1b_dev.dts162
-rw-r--r--arch/mips/boot/dts/loongson/smartloong-1c.dts110
16 files changed, 1016 insertions, 8 deletions
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 7375c6ced82b..6d9dbe945541 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -8,6 +8,7 @@ subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += img
subdir-$(CONFIG_MACH_INGENIC) += ingenic
subdir-$(CONFIG_LANTIQ) += lantiq
subdir-$(CONFIG_MACH_LOONGSON64) += loongson
+subdir-$(CONFIG_MACH_LOONGSON32) += loongson
subdir-$(CONFIG_SOC_VCOREIII) += mscc
subdir-$(CONFIG_MIPS_MALTA) += mti
subdir-$(CONFIG_LEGACY_BOARD_SEAD3) += mti
diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi
index 2afa0dada575..9d6f97e02ff9 100644
--- a/arch/mips/boot/dts/brcm/bcm7346.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi
@@ -531,7 +531,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi
index a57cacea91cf..a7f60f059e50 100644
--- a/arch/mips/boot/dts/brcm/bcm7360.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi
@@ -450,7 +450,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi
index 728b9e9f84b8..2d483cbf254f 100644
--- a/arch/mips/boot/dts/brcm/bcm7362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi
@@ -446,7 +446,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index 62588c53d356..c3bb020ff2b5 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -542,7 +542,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
@@ -569,7 +570,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index cfdf9804e126..60cfa4074cce 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -558,7 +558,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
@@ -585,7 +586,8 @@
};
memc-ddr@2000 {
- compatible = "brcm,brcmstb-memc-ddr";
+ compatible = "brcm,brcmstb-memc-ddr-rev-a.0.0",
+ "brcm,brcmstb-memc-ddr";
reg = <0x2000 0x300>;
};
diff --git a/arch/mips/boot/dts/lantiq/danube.dtsi b/arch/mips/boot/dts/lantiq/danube.dtsi
index 7a7ba66aa534..650400bd5725 100644
--- a/arch/mips/boot/dts/lantiq/danube.dtsi
+++ b/arch/mips/boot/dts/lantiq/danube.dtsi
@@ -5,8 +5,12 @@
compatible = "lantiq,xway", "lantiq,danube";
cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
cpu@0 {
compatible = "mips,mips24Kc";
+ reg = <0>;
};
};
@@ -100,6 +104,8 @@
0x1000000 0 0x00000000 0xae00000 0 0x200000>; /* io space */
reg = <0x7000000 0x8000 /* config space */
0xe105400 0x400>; /* pci bridge */
+
+ device_type = "pci";
};
};
};
diff --git a/arch/mips/boot/dts/lantiq/danube_easy50712.dts b/arch/mips/boot/dts/lantiq/danube_easy50712.dts
index c4d7aa5753b0..c9f7886f57b8 100644
--- a/arch/mips/boot/dts/lantiq/danube_easy50712.dts
+++ b/arch/mips/boot/dts/lantiq/danube_easy50712.dts
@@ -4,6 +4,8 @@
/include/ "danube.dtsi"
/ {
+ model = "Intel EASY50712";
+
chosen {
bootargs = "console=ttyLTQ0,115200 init=/etc/preinit";
};
@@ -94,7 +96,7 @@
lantiq,tx-burst-length = <4>;
};
- stp0: stp@e100bb0 {
+ stp0: gpio@e100bb0 {
#gpio-cells = <2>;
compatible = "lantiq,gpio-stp-xway";
gpio-controller;
diff --git a/arch/mips/boot/dts/loongson/Makefile b/arch/mips/boot/dts/loongson/Makefile
index 5e3ab984d70f..8ee12504d353 100644
--- a/arch/mips/boot/dts/loongson/Makefile
+++ b/arch/mips/boot/dts/loongson/Makefile
@@ -1,7 +1,17 @@
# SPDX-License-Identifier: GPL-2.0
+
+ifneq ($(CONFIG_BUILTIN_DTB_NAME),)
+dtb-y := $(addsuffix .dtb, $(CONFIG_BUILTIN_DTB_NAME))
+else
dtb-$(CONFIG_MACH_LOONGSON64) += loongson64_2core_2k1000.dtb
dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_4core_ls7a.dtb
dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_4core_rs780e.dtb
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
+endif
diff --git a/arch/mips/boot/dts/loongson/cq-t300b.dts b/arch/mips/boot/dts/loongson/cq-t300b.dts
new file mode 100644
index 000000000000..5244fab2496d
--- /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";
+};
diff --git a/arch/mips/boot/dts/loongson/loongson1.dtsi b/arch/mips/boot/dts/loongson/loongson1.dtsi
new file mode 100644
index 000000000000..5ba5a5d131ba
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/loongson1.dtsi
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/clock/loongson,ls1x-clk.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ xtal: clock {
+ compatible = "fixed-clock";
+ clock-output-names = "xtal";
+ #clock-cells = <0>;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ reg = <0>;
+ device_type = "cpu";
+ clocks = <&clkc LS1X_CLKID_CPU>;
+ #clock-cells = <1>;
+ };
+ };
+
+ cpu_intc: interrupt-controller {
+ compatible = "mti,cpu-interrupt-controller";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ };
+
+ soc: bus@1fd00000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x1fd00000 0x130000>;
+
+ intc0: interrupt-controller@1040 {
+ compatible = "loongson,ls1x-intc";
+ reg = <0x1040 0x18>;
+ interrupt-controller;
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <2>;
+ #interrupt-cells = <2>;
+ };
+
+ intc1: interrupt-controller@1058 {
+ compatible = "loongson,ls1x-intc";
+ reg = <0x1058 0x18>;
+ interrupt-controller;
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <3>;
+ #interrupt-cells = <2>;
+ };
+
+ intc2: interrupt-controller@1070 {
+ compatible = "loongson,ls1x-intc";
+ reg = <0x1070 0x18>;
+ interrupt-controller;
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <4>;
+ #interrupt-cells = <2>;
+ };
+
+ intc3: interrupt-controller@1088 {
+ compatible = "loongson,ls1x-intc";
+ reg = <0x1088 0x18>;
+ interrupt-controller;
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <5>;
+ #interrupt-cells = <2>;
+ };
+
+ gpio0: gpio@10c0 {
+ compatible = "loongson,ls1x-gpio";
+ reg = <0x10c0 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio1: gpio@10c4 {
+ compatible = "loongson,ls1x-gpio";
+ reg = <0x10c4 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+ apb: bus@1fe40000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x1fe40000 0xc0000>;
+
+ uart0: serial@0 {
+ compatible = "ns16550a";
+ reg = <0x0 0x8>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ uart1: serial@4000 {
+ compatible = "ns16550a";
+ reg = <0x4000 0x8>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ status = "disabled";
+ };
+
+ uart2: serial@8000 {
+ compatible = "ns16550a";
+ reg = <0x8000 0x8>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ status = "disabled";
+ };
+
+ uart3: serial@c000 {
+ compatible = "ns16550a";
+ reg = <0xc000 0x8>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/loongson/loongson1b.dtsi b/arch/mips/boot/dts/loongson/loongson1b.dtsi
new file mode 100644
index 000000000000..776d272b0f43
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/loongson1b.dtsi
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
+ */
+
+/dts-v1/;
+#include "loongson1.dtsi"
+
+/ {
+ cpu_opp_table: opp-table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-44000000 {
+ opp-hz = /bits/ 64 <44000000>;
+ };
+ opp-47142000 {
+ opp-hz = /bits/ 64 <47142000>;
+ };
+ opp-50769000 {
+ opp-hz = /bits/ 64 <50769000>;
+ };
+ opp-55000000 {
+ opp-hz = /bits/ 64 <55000000>;
+ };
+ opp-60000000 {
+ opp-hz = /bits/ 64 <60000000>;
+ };
+ opp-66000000 {
+ opp-hz = /bits/ 64 <66000000>;
+ };
+ opp-73333000 {
+ opp-hz = /bits/ 64 <73333000>;
+ };
+ opp-82500000 {
+ opp-hz = /bits/ 64 <82500000>;
+ };
+ opp-94285000 {
+ opp-hz = /bits/ 64 <94285000>;
+ };
+ opp-110000000 {
+ opp-hz = /bits/ 64 <110000000>;
+ };
+ opp-132000000 {
+ opp-hz = /bits/ 64 <132000000>;
+ };
+ opp-165000000 {
+ opp-hz = /bits/ 64 <165000000>;
+ };
+ opp-220000000 {
+ opp-hz = /bits/ 64 <220000000>;
+ };
+ };
+
+ clkc: clock-controller@1fe78030 {
+ compatible = "loongson,ls1b-clk";
+ reg = <0x1fe78030 0x8>;
+ clocks = <&xtal>;
+ #clock-cells = <1>;
+ };
+};
+
+&soc {
+ syscon: syscon@420 {
+ compatible = "loongson,ls1b-syscon", "syscon";
+ reg = <0x420 0x8>;
+ };
+
+ dma: dma-controller@1160 {
+ compatible = "loongson,ls1b-apbdma";
+ reg = <0x1160 0x4>;
+ interrupt-parent = <&intc0>;
+ interrupts = <13 IRQ_TYPE_EDGE_RISING>,
+ <14 IRQ_TYPE_EDGE_RISING>,
+ <15 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "ch0", "ch1", "ch2";
+ #dma-cells = <1>;
+ };
+
+ ehci: usb@100000 {
+ compatible = "generic-ehci";
+ reg = <0x100000 0x100>;
+ interrupt-parent = <&intc1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ ohci: usb@108000 {
+ compatible = "generic-ohci";
+ reg = <0x108000 0x100>;
+ interrupt-parent = <&intc1>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ gmac0: ethernet@110000 {
+ compatible = "loongson,ls1b-gmac", "snps,dwmac-3.50a";
+ reg = <0x110000 0x10000>;
+ clocks = <&clkc LS1X_CLKID_AHB>;
+ clock-names = "stmmaceth";
+ interrupt-parent = <&intc1>;
+ interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ loongson,ls1-syscon = <&syscon>;
+ snps,pbl = <1>;
+ status = "disabled";
+ };
+
+ gmac1: ethernet@120000 {
+ compatible = "loongson,ls1b-gmac", "snps,dwmac-3.50a";
+ reg = <0x120000 0x10000>;
+ clocks = <&clkc LS1X_CLKID_AHB>;
+ clock-names = "stmmaceth";
+ interrupt-parent = <&intc1>;
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ loongson,ls1-syscon = <&syscon>;
+ snps,pbl = <1>;
+ status = "disabled";
+ };
+};
+
+&apb {
+ clocksource: timer@1c030 {
+ compatible = "loongson,ls1b-pwmtimer";
+ reg = <0x1c030 0x10>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ watchdog: watchdog@1c060 {
+ compatible = "loongson,ls1b-wdt";
+ reg = <0x1c060 0xc>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ status = "disabled";
+ };
+
+ rtc: rtc@24000 {
+ compatible = "loongson,ls1b-rtc";
+ reg = <0x24000 0x78>;
+ interrupt-parent = <&intc0>;
+ interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ ac97: audio-controller@34000 {
+ compatible = "loongson,ls1b-ac97";
+ reg = <0x34000 0x60>, <0x32420 0x4>, <0x34c4c 0x4>;
+ reg-names = "ac97", "audio-tx", "audio-rx";
+ dmas = <&dma 1>, <&dma 2>;
+ dma-names = "tx", "rx";
+ #sound-dai-cells = <0>;
+ status = "disabled";
+ };
+
+ nand: nand-controller@38000 {
+ compatible = "loongson,ls1b-nand-controller";
+ reg = <0x38000 0x24>, <0x38040 0x4>;
+ reg-names = "nand", "nand-dma";
+ dmas = <&dma 0>;
+ dma-names = "rxtx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ nand@0 {
+ reg = <0>;
+ label = "ls1x-nand";
+ nand-use-soft-ecc-engine;
+ nand-ecc-algo = "hamming";
+ };
+ };
+};
+
+&cpu0 {
+ operating-points-v2 = <&cpu_opp_table>;
+};
+
+&gpio0 {
+ ngpios = <31>;
+};
+
+&gpio1 {
+ ngpios = <30>;
+};
+
+&uart1 {
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&uart2 {
+ interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&uart3 {
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+};
diff --git a/arch/mips/boot/dts/loongson/loongson1c.dtsi b/arch/mips/boot/dts/loongson/loongson1c.dtsi
new file mode 100644
index 000000000000..5e80c6a657af
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/loongson1c.dtsi
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
+ */
+
+/dts-v1/;
+#include "loongson1.dtsi"
+
+/ {
+ clkc: clock-controller@1fe78030 {
+ compatible = "loongson,ls1c-clk";
+ reg = <0x1fe78030 0x8>;
+ clocks = <&xtal>;
+ #clock-cells = <1>;
+ };
+};
+
+&soc {
+ syscon: syscon@420 {
+ compatible = "loongson,ls1c-syscon", "syscon";
+ reg = <0x420 0x8>;
+ };
+
+ intc4: interrupt-controller@10a0 {
+ compatible = "loongson,ls1x-intc";
+ reg = <0x10a0 0x18>;
+ interrupt-controller;
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <6>;
+ #interrupt-cells = <2>;
+ };
+
+ gpio2: gpio@10c8 {
+ compatible = "loongson,ls1x-gpio";
+ reg = <0x10c8 0x4>;
+ gpio-controller;
+ ngpios = <32>;
+ #gpio-cells = <2>;
+ };
+
+ gpio3: gpio@10cc {
+ compatible = "loongson,ls1x-gpio";
+ reg = <0x10cc 0x4>;
+ gpio-controller;
+ ngpios = <32>;
+ #gpio-cells = <2>;
+ };
+
+ dma: dma-controller@1160 {
+ compatible = "loongson,ls1c-apbdma", "loongson,ls1b-apbdma";
+ reg = <0x1160 0x4>;
+ interrupt-parent = <&intc0>;
+ interrupts = <13 IRQ_TYPE_EDGE_RISING>,
+ <14 IRQ_TYPE_EDGE_RISING>,
+ <15 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "ch0", "ch1", "ch2";
+ #dma-cells = <1>;
+ };
+
+ emac: ethernet@110000 {
+ compatible = "loongson,ls1c-emac", "snps,dwmac-3.50a";
+ reg = <0x110000 0x10000>;
+ clocks = <&clkc LS1X_CLKID_AHB>;
+ clock-names = "stmmaceth";
+ interrupt-parent = <&intc1>;
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ loongson,ls1-syscon = <&syscon>;
+ snps,pbl = <1>;
+ status = "disabled";
+ };
+
+ ehci: usb@120000 {
+ compatible = "generic-ehci";
+ reg = <0x120000 0x100>;
+ interrupt-parent = <&intc1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ ohci: usb@128000 {
+ compatible = "generic-ohci";
+ reg = <0x128000 0x100>;
+ interrupt-parent = <&intc1>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+};
+
+&apb {
+ watchdog: watchdog@1c060 {
+ compatible = "loongson,ls1c-wdt";
+ reg = <0x1c060 0xc>;
+ clocks = <&clkc LS1X_CLKID_APB>;
+ status = "disabled";
+ };
+
+ rtc: rtc@24000 {
+ compatible = "loongson,ls1c-rtc";
+ reg = <0x24000 0x78>;
+ status = "disabled";
+ };
+
+ nand: nand-controller@38000 {
+ compatible = "loongson,ls1c-nand-controller";
+ reg = <0x38000 0x24>, <0x38040 0x4>;
+ reg-names = "nand", "nand-dma";
+ dmas = <&dma 0>;
+ dma-names = "rxtx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ nand@0 {
+ reg = <0>;
+ label = "ls1x-nand";
+ nand-use-soft-ecc-engine;
+ nand-ecc-algo = "hamming";
+ };
+ };
+};
+
+&gpio0 {
+ ngpios = <32>;
+};
+
+&gpio1 {
+ ngpios = <32>;
+};
+
+&uart1 {
+ interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&uart2 {
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&uart3 {
+ interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
+};
diff --git a/arch/mips/boot/dts/loongson/ls1b-demo.dts b/arch/mips/boot/dts/loongson/ls1b-demo.dts
new file mode 100644
index 000000000000..13f8b102e100
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls1b-demo.dts
@@ -0,0 +1,125 @@
+// 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 "loongson1b.dtsi"
+
+/ {
+ compatible = "loongson,ls1b-demo", "loongson,ls1b";
+ model = "LS1B-DEMO Board";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x10000000>;
+ };
+
+ aliases {
+ ethernet0 = &gmac0;
+ ethernet1 = &gmac1;
+ gpio0 = &gpio0;
+ gpio1 = &gpio1;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:38400n8";
+ };
+
+ codec: audio-codec {
+ compatible = "realtek,alc203";
+ #sound-dai-cells = <0>;
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "ls1b-alc203";
+ simple-audio-card,format = "ac97";
+ simple-audio-card,widgets =
+ "Speaker", "Line Out Jack",
+ "Headphone", "Headphone Jack",
+ "Microphone", "Microphone Jack";
+ simple-audio-card,routing =
+ "Line Out Jack", "TX",
+ "Headphone Jack", "TX",
+ "RX", "Microphone Jack";
+
+ simple-audio-card,cpu {
+ sound-dai = <&ac97>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&codec>;
+ };
+ };
+};
+
+&xtal {
+ clock-frequency = <33000000>;
+};
+
+&gmac0 {
+ phy-handle = <&phy0>;
+ phy-mode = "rgmii-id";
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+ };
+};
+
+&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 0x7000000>;
+ };
+ };
+ };
+};
+
+&ac97 {
+ status = "okay";
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&rtc {
+ status = "okay";
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
diff --git a/arch/mips/boot/dts/loongson/lsgz_1b_dev.dts b/arch/mips/boot/dts/loongson/lsgz_1b_dev.dts
new file mode 100644
index 000000000000..94ec151c0a94
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/lsgz_1b_dev.dts
@@ -0,0 +1,162 @@
+// 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 "loongson1b.dtsi"
+
+/ {
+ compatible = "loongson,lsgz-1b-dev", "loongson,ls1b";
+ model = "LSGZ_1B_DEV Board";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x4000000>;
+ };
+
+ aliases {
+ ethernet0 = &gmac0;
+ ethernet1 = &gmac1;
+ gpio0 = &gpio0;
+ gpio1 = &gpio1;
+ serial0 = &uart2;
+ serial1 = &uart3;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led9 {
+ label = "led9";
+ gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ led6 {
+ label = "led6";
+ gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "nand-disk";
+ };
+ };
+
+ codec: audio-codec {
+ compatible = "realtek,alc203";
+ #sound-dai-cells = <0>;
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "ls1b-alc655";
+ simple-audio-card,format = "ac97";
+ simple-audio-card,widgets =
+ "Speaker", "Line Out Jack",
+ "Line", "Line In Jack",
+ "Microphone", "Microphone Jack";
+ simple-audio-card,routing =
+ "Line Out Jack", "TX",
+ "RX", "Line In Jack",
+ "RX", "Microphone Jack";
+
+ simple-audio-card,cpu {
+ sound-dai = <&ac97>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&codec>;
+ };
+ };
+};
+
+&xtal {
+ clock-frequency = <33000000>;
+};
+
+&gmac0 {
+ phy-handle = <&phy0>;
+ phy-mode = "mii";
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dwmac-mdio";
+
+ phy0: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+ };
+};
+
+&gmac1 {
+ phy-handle = <&phy1>;
+ phy-mode = "mii";
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy1: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+ };
+};
+
+&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 0x7000000>;
+ };
+ };
+ };
+};
+
+&ac97 {
+ status = "okay";
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&rtc {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
diff --git a/arch/mips/boot/dts/loongson/smartloong-1c.dts b/arch/mips/boot/dts/loongson/smartloong-1c.dts
new file mode 100644
index 000000000000..e6c6c2f00c42
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/smartloong-1c.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 = "loongmasses,smartloong-1c", "loongson,ls1c";
+ model = "Smartloong-1C Board";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x4000000>;
+ };
+
+ 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 0x7000000>;
+ };
+ };
+ };
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&rtc {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-24 19:46:53 +0000