diff mbox series

[net-next,v7,10/15] dt-bindings: net: airoha: Add the NPU node for EN7581 SoC

Message ID 20250224-airoha-en7581-flowtable-offload-v7-10-b4a22ad8364e@kernel.org (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series Introduce flowtable hw offloading in airoha_eth driver | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 14 of 14 maintainers
netdev/build_clang success Errors and warnings before: 1 this patch: 1
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest fail net-next-2025-02-24--15-00 (tests: 895)

Commit Message

Lorenzo Bianconi Feb. 24, 2025, 11:25 a.m. UTC 
This patch adds the NPU document binding for EN7581 SoC.
The Airoha Network Processor Unit (NPU) provides a configuration interface
to implement wired and wireless hardware flow offloading programming Packet
Processor Engine (PPE) flow table.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../devicetree/bindings/net/airoha,en7581-npu.yaml | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..76dd97c3fb4004674dc30a54c039c1cc19afedb3
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
@@ -0,0 +1,84 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/airoha,en7581-npu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha Network Processor Unit for EN7581 SoC
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@kernel.org>
+
+description:
+  The Airoha Network Processor Unit (NPU) provides a configuration interface
+  to implement wired and wireless hardware flow offloading programming Packet
+  Processor Engine (PPE) flow table.
+
+properties:
+  compatible:
+    enum:
+      - airoha,en7581-npu
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: mbox host irq line
+      - description: watchdog0 irq line
+      - description: watchdog1 irq line
+      - description: watchdog2 irq line
+      - description: watchdog3 irq line
+      - description: watchdog4 irq line
+      - description: watchdog5 irq line
+      - description: watchdog6 irq line
+      - description: watchdog7 irq line
+      - description: wlan irq line0
+      - description: wlan irq line1
+      - description: wlan irq line2
+      - description: wlan irq line3
+      - description: wlan irq line4
+      - description: wlan irq line5
+
+  memory-region:
+    maxItems: 1
+    description:
+      Memory used to store NPU firmware binary.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - memory-region
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      npu@1e900000 {
+        compatible = "airoha,en7581-npu";
+        reg = <0 0x1e900000 0 0x313000>;
+        interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+        memory-region = <&npu_binary>;
+      };
+    };