[PATCH 7/9] riscv: dts: andes: add QiLai SoC device tree
Krzysztof Kozlowski
krzk at kernel.org
Mon Apr 7 07:30:53 PDT 2025
On 07/04/2025 12:49, Ben Zong-You Xie wrote:
> +/dts-v1/;
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + aliases {
> + serial0 = &uart0;
This belongs to the board.
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + timebase-frequency = <62500000>;
> +
> + cpu0: cpu at 0 {
> + compatible = "andestech,ax45mp", "riscv";
> + device_type = "cpu";
> + status = "okay";
Drop. See DTS coding style.
...
> +
> + memory at 400000000 {
> + device_type = "memory";
> + reg = <0x4 0x00000000 0x4 0x00000000>;
This belongs to the board usually. Are you sure your SoC has physically
fixed memory?
> + };
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "simple-bus";
> + ranges;
> +
> + plic: interrupt-controller at 2000000 {
> + compatible = "andestech,qilai-plic", "andestech,nceplic100";
> + #address-cells = <0>;
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + reg = <0x0 0x2000000 0x0 0x2000000>;
> + 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>;
> + riscv,ndev = <71>;
> + };
> +
> + plic_sw: interrupt-controller at 400000 {
> + compatible = "andestech,qilai-plicsw", "andestech,plicsw";
> + reg = <0x0 0x400000 0x0 0x400000>;
> + interrupts-extended = <&cpu0_intc 3>,
> + <&cpu1_intc 3>,
> + <&cpu2_intc 3>,
> + <&cpu3_intc 3>;
> + };
> +
> + plmt: timer at 100000 {
Order the nodes, see DTS coding style.
Best regards,
Krzysztof
More information about the linux-riscv
mailing list