riscv: dts: sophgo: sg2044: add MSI device support for SG2044

Add MSI device tree node for SG2044.

Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/20250618015851.272188-2-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>

diff --git a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
index b50c3a872d8b70635790e515cdfa39fda084f3f9..c97bd62e5f06d6a01b20bd297f8debeedb755a73 100644 (file)
--- a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
@@ -63,6 +63,10 @@
        };
 };
 
+&msi {
+       status = "okay";
+};
+
 &pwm {
        status = "okay";
 };

diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
index f88cabe75790756a4f3337df6028012b05ecfd37..aae4539dea986e7db33e70836833e89cc9f7c327 100644 (file)
--- a/arch/riscv/boot/dts/sophgo/sg2044.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
@@ -32,6 +32,17 @@
                #size-cells = <2>;
                ranges;
 
+               msi: msi-controller@6d50000000 {
+                       compatible = "sophgo,sg2044-msi";
+                       reg = <0x6d 0x50000000 0x0 0x800>,
+                             <0x0 0x7ee00000 0x0 0x40>;
+                       reg-names = "clr", "doorbell";
+                       #msi-cells = <0>;
+                       msi-controller;
+                       msi-ranges = <&intc 352 IRQ_TYPE_LEVEL_HIGH 512>;
+                       status = "disabled";
+               };
+
                spifmc0: spi@7001000000 {
                        compatible = "sophgo,sg2044-spifmc-nor";
                        reg = <0x70 0x01000000 0x0 0x4000000>;