linux-kernel - [PATCH v2 5/6] dt-bindings: mips: Document mti,mips-cm

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Message-Id: <20240612-cm_probe-v2-5-a5b55440563c@flygoat.com>
Date: Wed, 12 Jun 2024 11:08:57 +0100
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Paul Burton <paulburton@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Serge Semin <fancer.lancer@...il.com>, linux-mips@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH v2 5/6] dt-bindings: mips: Document mti,mips-cm

Add devicetree binding documentation for MIPS Coherence Manager.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
v2:
 - Better wording for register desc
 - cm -> coherency-manager
 - schema matches compatible
---
 .../devicetree/bindings/mips/mti,mips-cm.yaml      | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
new file mode 100644
index 000000000000..9f500804737d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mips/mti,mips-cm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MIPS Coherence Manager
+
+description: |
+  Defines a location of the MIPS Coherence Manager registers.
+
+maintainers:
+  - Jiaxun Yang <jiaxun.yang@...goat.com>
+
+properties:
+  compatible:
+    const: mti,mips-cm
+
+  reg:
+    description:
+      Base address and size of an unoccupied region in system's MMIO address
+      space, which will be used to map the MIPS CM global control registers
+      block. It is conventionally decided by the system integrator.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    coherency-manager@...f8000 {
+      compatible = "mti,mips-cm";
+      reg = <0x1bde8000 0x8000>;
+    };
+...

-- 
2.43.0