The following commit has been merged into the irq/drivers branch of tip:
Commit-ID: a41d042757fb36f982413622e890a1c41e043000
Gitweb: https://git.kernel.org/tip/a41d042757fb36f982413622e890a1c41e043000
Author: Chen Wang <unicorn_wang@xxxxxxxxxxx>
AuthorDate: Wed, 26 Feb 2025 10:15:01 +08:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 26 Feb 2025 08:41:27 +01:00
dt-bindings: interrupt-controller: Add Sophgo SG2042 MSI
Add binding for Sophgo SG2042 MSI controller.
Signed-off-by: Chen Wang <unicorn_wang@xxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Link: https://lore.kernel.org/all/44de02977624be334ba6328acfdbb2a375f2071f.1740535748.git.unicorn_wang@xxxxxxxxxxx
---
Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml
diff --git a/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml b/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml
new file mode 100644
index 0000000..e1ffd55
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 MSI Controller
+
+maintainers:
+ - Chen Wang <unicorn_wang@xxxxxxxxxxx>
+
+description:
+ This interrupt controller is in Sophgo SG2042 for transforming interrupts from
+ PCIe MSI to PLIC interrupts.
+
+allOf:
+ - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+
+properties:
+ compatible:
+ const: sophgo,sg2042-msi
+
+ reg:
+ items:
+ - description: clear register
+ - description: msi doorbell address
+
+ reg-names:
+ items:
+ - const: clr
+ - const: doorbell
+
+ msi-controller: true
+
+ msi-ranges:
+ maxItems: 1
+
+ "#msi-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - msi-controller
+ - msi-ranges
+ - "#msi-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ msi-controller@30000000 {
+ compatible = "sophgo,sg2042-msi";
+ reg = <0x30000000 0x4>, <0x30000008 0x4>;
+ reg-names = "clr", "doorbell";
+ msi-controller;
+ #msi-cells = <0>;
+ msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>;
+ };
|