Add initial device tree for the light(a.k.a TH1520) RISC-V SoC by
T-HEAD.
Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
---
arch/riscv/boot/dts/thead/light.dtsi | 454 +++++++++++++++++++++++++++
1 file changed, 454 insertions(+)
create mode 100644 arch/riscv/boot/dts/thead/light.dtsi
diff --git a/arch/riscv/boot/dts/thead/light.dtsi b/arch/riscv/boot/dts/thead/light.dtsi
new file mode 100644
index 000000000000..cdf6d8b04d22
--- /dev/null
+++ b/arch/riscv/boot/dts/thead/light.dtsi
@@ -0,0 +1,454 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ * Copyright (C) 2023 Jisheng Zhang <jszhang@xxxxxxxxxx>
+ */
+
+/ {
+ compatible = "thead,light";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus: cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ timebase-frequency = <3000000>;
+
+ c910_0: cpu@0 {
+ compatible = "thead,c910", "riscv";
+ device_type = "cpu";
+ riscv,isa = "rv64imafdc";
+ reg = <0>;
+ i-cache-block-size = <64>;
+ i-cache-size = <65536>;
+ i-cache-sets = <512>;
+ d-cache-block-size = <64>;
+ d-cache-size = <65536>;
+ d-cache-sets = <512>;
+ next-level-cache = <&l2_cache>;
+ mmu-type = "riscv,sv39";
+
+ cpu0_intc: interrupt-controller {
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ c910_1: cpu@1 {
+ compatible = "thead,c910", "riscv";
+ device_type = "cpu";
+ riscv,isa = "rv64imafdc";
+ reg = <1>;
+ i-cache-block-size = <64>;
+ i-cache-size = <65536>;
+ i-cache-sets = <512>;
+ d-cache-block-size = <64>;
+ d-cache-size = <65536>;
+ d-cache-sets = <512>;
+ next-level-cache = <&l2_cache>;
+ mmu-type = "riscv,sv39";
+
+ cpu1_intc: interrupt-controller {
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ c910_2: cpu@2 {
+ compatible = "thead,c910", "riscv";
+ device_type = "cpu";
+ riscv,isa = "rv64imafdc";
+ reg = <2>;
+ i-cache-block-size = <64>;
+ i-cache-size = <65536>;
+ i-cache-sets = <512>;
+ d-cache-block-size = <64>;
+ d-cache-size = <65536>;
+ d-cache-sets = <512>;
+ next-level-cache = <&l2_cache>;
+ mmu-type = "riscv,sv39";
+
+ cpu2_intc: interrupt-controller {
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ c910_3: cpu@3 {
+ compatible = "thead,c910", "riscv";
+ device_type = "cpu";
+ riscv,isa = "rv64imafdc";
+ reg = <3>;
+ i-cache-block-size = <64>;
+ i-cache-size = <65536>;
+ i-cache-sets = <512>;
+ d-cache-block-size = <64>;
+ d-cache-size = <65536>;
+ d-cache-sets = <512>;
+ next-level-cache = <&l2_cache>;
+ mmu-type = "riscv,sv39";
+
+ cpu3_intc: interrupt-controller {
+ compatible = "riscv,cpu-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&c910_0>;
+ };
+
+ core1 {
+ cpu = <&c910_1>;
+ };
+
+ core2 {
+ cpu = <&c910_2>;
+ };
+
+ core3 {
+ cpu = <&c910_3>;
+ };
+ };
+ };
+
+ l2_cache: l2-cache {
+ compatible = "cache";
+ cache-block-size = <64>;
+ cache-level = <2>;
+ cache-size = <1048576>;
+ cache-sets = <1024>;
+ cache-unified;
+ };
+ };
+
+ osc: oscillator {
+ compatible = "fixed-clock";
+ clock-output-names = "osc_24m";
+ #clock-cells = <0>;
+ };
+
+ osc_32k: 32k-oscillator {
+ compatible = "fixed-clock";
+ clock-output-names = "osc_32k";
+ #clock-cells = <0>;
+ };
+
+ apb_clk: apb-clk-clock {
+ compatible = "fixed-clock";
+ clock-output-names = "apb_clk";
+ #clock-cells = <0>;
+ };
+
+ uart_sclk: uart-sclk-clock {
+ compatible = "fixed-clock";
+ clock-output-names = "uart_sclk";
+ #clock-cells = <0>;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ interrupt-parent = <&plic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ reset: reset-sample {
+ compatible = "thead,reset-sample";
+ entry-reg = <0xff 0xff019050>;
+ entry-cnt = <4>;
+ control-reg = <0xff 0xff015004>;
+ control-val = <0x1c>;
+ csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+ };
+
+ plic: interrupt-controller@ffd8000000 {
+ compatible = "thead,c910-plic";
+ reg = <0xff 0xd8000000 0x0 0x01000000>;
+ interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
+ <&cpu1_intc 11>, <&cpu1_intc 9>,
+ <&cpu2_intc 11>, <&cpu2_intc 9>,
+ <&cpu3_intc 11>, <&cpu3_intc 9>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ riscv,ndev = <240>;
+ };
+
+ clint: timer@ffdc000000 {
+ compatible = "thead,c900-clint";
+ reg = <0xff 0xdc000000 0x0 0x00010000>;
+ interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
+ <&cpu1_intc 3>, <&cpu1_intc 7>,
+ <&cpu2_intc 3>, <&cpu2_intc 7>,
+ <&cpu3_intc 3>, <&cpu3_intc 7>;
+ };
+
+ uart0: serial@ffe7014000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xe7014000 0x0 0x4000>;
+ interrupts = <36>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart1: serial@ffe7f00000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xe7f00000 0x0 0x4000>;
+ interrupts = <37>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart3: serial@ffe7f04000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xe7f04000 0x0 0x4000>;
+ interrupts = <39>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ gpio2: gpio@ffe7f34000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xe7f34000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ portc: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <58>;
+ };
+ };
+
+ gpio3: gpio@ffe7f38000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xe7f38000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ portd: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <59>;
+ };
+ };
+
+ gpio0: gpio@ffec005000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xec005000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ porta: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <56>;
+ };
+ };
+
+ gpio1: gpio@ffec006000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xec006000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ portb: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <57>;
+ };
+ };
+
+ uart2: serial@ffec010000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xec010000 0x0 0x4000>;
+ interrupts = <38>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ dmac0: dmac@ffefc00000 {
+ compatible = "snps,axi-dma-1.01a";
+ reg = <0xff 0xefc00000 0x0 0x1000>;
+ interrupts = <27>;
+ clocks = <&apb_clk>, <&apb_clk>;
+ clock-names = "core-clk", "cfgr-clk";
+ #dma-cells = <1>;
+ dma-channels = <4>;
+ snps,block-size = <65536 65536 65536 65536>;
+ snps,priority = <0 1 2 3>;
+ snps,dma-masters = <1>;
+ snps,data-width = <4>;
+ snps,axi-max-burst-len = <16>;
+ status = "disabled";
+ };
+
+ timer0: timer@ffefc32000 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xefc32000 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <16>;
+ status = "disabled";
+ };
+
+ timer1: timer@ffefc32014 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xefc32014 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <17>;
+ status = "disabled";
+ };
+
+ timer2: timer@ffefc32028 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xefc32028 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <18>;
+ status = "disabled";
+ };
+
+ timer3: timer@ffefc3203c {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xefc3203c 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <19>;
+ status = "disabled";
+ };
+
+ uart4: serial@fff7f08000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xf7f08000 0x0 0x4000>;
+ interrupts = <40>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ uart5: serial@fff7f0c000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff 0xf7f0c000 0x0 0x4000>;
+ interrupts = <41>;
+ clocks = <&uart_sclk>;
+ clock-names = "baudclk";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ status = "disabled";
+ };
+
+ timer4: timer@ffffc33000 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xffc33000 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <20>;
+ status = "disabled";
+ };
+
+ timer5: timer@ffffc33014 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xffc33014 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <21>;
+ status = "disabled";
+ };
+
+ timer6: timer@ffffc33028 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xffc33028 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <22>;
+ status = "disabled";
+ };
+
+ timer7: timer@ffffc3303c {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xff 0xffc3303c 0x0 0x14>;
+ clocks = <&apb_clk>;
+ clock-names = "timer";
+ interrupts = <23>;
+ status = "disabled";
+ };
+
+ ao_gpio0: gpio@fffff41000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xfff41000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ porte: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <76>;
+ };
+ };
+
+ ao_gpio1: gpio@fffff52000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0xff 0xfff52000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ portf: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <55>;
+ };
+ };
+ };
+};
--
2.40.0
