linux-kernel - [PATCH v1 4/4] dt-bindings: bus: add documentation for Aspeed AHBC

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Date:   Fri, 2 Sep 2022 14:00:12 +0800
From:   Neal Liu <neal_liu@...eedtech.com>
To:     Dhananjay Phadke <dphadke@...ux.microsoft.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        "Joel Stanley" <joel@....id.au>, Andrew Jeffery <andrew@...id.au>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "Chia-Wei Wang --cc=linux-kernel @ vger . kernel . org" 
        <chiawei_wang@...eedtech.com>
CC:     <linux-crypto@...r.kernel.org>, <linux-aspeed@...ts.ozlabs.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <BMC-SW@...eedtech.com>
Subject: [PATCH v1 4/4] dt-bindings: bus: add documentation for Aspeed AHBC

Add device tree binding documentation for the Aspeed
Advanced High-Performance Bus (AHB) Controller.

Signed-off-by: Neal Liu <neal_liu@...eedtech.com>
---
 .../bindings/bus/aspeed,ast2600-ahbc.yaml     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml

diff --git a/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml b/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml
new file mode 100644
index 000000000000..ca09eb531666
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/aspeed,ast2600-ahbc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED Advanced High-Performance Bus Controller (AHBC) Device Tree Bindings
+
+maintainers:
+  - Neal Liu <neal_liu@...eedtech.com>
+  - Chia-Wei Wang <chiawei_wang@...eedtech.com>
+
+description: |
+  Advanced High-performance Bus Controller (AHBC) supports plenty of mechanisms
+  including a priority arbiter, an address decoder and a data multiplexer
+  to control the overall operations of Advanced Highperformance
+  Bus (AHB). AHB is the main system bus for ARM CPU to communicate with the
+  related peripherals.
+
+properties:
+  compatible:
+    enum:
+      - aspeed,ast2600-ahbc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    ahbc: bus@...00000 {
+        compatible = "aspeed,ast2600-ahbc";
+        reg = <0x1e600000 0x100>;
+    };
-- 
2.25.1