linux-kernel - [PATCH v5 3/4] dt-bindings: arm: hisilicon: Add binding for Kunpeng L3 cache controller

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Date:   Sat, 16 Jan 2021 11:27:39 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Russell King <rmk+kernel@....linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Will Deacon <will.deacon@....com>,
        "Haojian Zhuang" <haojian.zhuang@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH v5 3/4] dt-bindings: arm: hisilicon: Add binding for Kunpeng L3 cache controller

Add devicetree binding for Hisilicon Kunpeng L3 cache controller.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 .../arm/hisilicon/kunpeng-l3cache.yaml        | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml

diff --git a/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml b/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml
new file mode 100644
index 000000000000000..5bf33c0e4d14b7f
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/hisilicon/kunpeng-l3cache.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Kunpeng L3 cache controller
+
+maintainers:
+  - Wei Xu <xuwei5@...ilicon.com>
+
+description: |
+  The Hisilicon Kunpeng L3 outer cache controller supports a maximum of 36-bit
+  physical addresses. The data cached in the L3 outer cache can be operated
+  based on the physical address range or the entire cache.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - hisilicon,kunpeng506-l3cache
+          - hisilicon,kunpeng509-l3cache
+      - const: hisilicon,kunpeng-l3cache
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    l3cache@...2b000 {
+        compatible = "hisilicon,kunpeng509-l3cache", "hisilicon,kunpeng-l3cache";
+        reg = <0xf302b000 0x1000>;
+    };
+...
-- 
2.26.0.106.g9fadedd