linux-kernel - [PATCHv2 2/3] dt-bindings: msm: Convert LLCC bindings to YAML

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Date:   Sat, 19 Oct 2019 17:07:12 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Rishabh Bhatnagar <rishabhb@...eaurora.org>,
        Doug Anderson <dianders@...omium.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: [PATCHv2 2/3] dt-bindings: msm: Convert LLCC bindings to YAML

Convert LLCC bindings to DT schema format using json-schema.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
---
 .../devicetree/bindings/arm/msm/qcom,llcc.txt | 41 --------------
 .../bindings/arm/msm/qcom,llcc.yaml           | 54 +++++++++++++++++++
 2 files changed, 54 insertions(+), 41 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,llcc.txt
 create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml

diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.txt
deleted file mode 100644
index eaee06b2d8f2..000000000000
--- a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.txt
+++ /dev/null
@@ -1,41 +0,0 @@
-== Introduction==
-
-LLCC (Last Level Cache Controller) provides last level of cache memory in SOC,
-that can be shared by multiple clients. Clients here are different cores in the
-SOC, the idea is to minimize the local caches at the clients and migrate to
-common pool of memory. Cache memory is divided into partitions called slices
-which are assigned to clients. Clients can query the slice details, activate
-and deactivate them.
-
-Properties:
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be "qcom,sdm845-llcc"
-
-- reg:
-	Usage: required
-	Value Type: <prop-encoded-array>
-	Definition: The first element specifies the llcc base start address and
-		    the size of the register region. The second element specifies
-		    the llcc broadcast base address and size of the register region.
-
-- reg-names:
-        Usage: required
-        Value Type: <stringlist>
-        Definition: Register region names. Must be "llcc_base", "llcc_broadcast_base".
-
-- interrupts:
-	Usage: required
-	Definition: The interrupt is associated with the llcc edac device.
-			It's used for llcc cache single and double bit error detection
-			and reporting.
-
-Example:
-
-	cache-controller@...0000 {
-		compatible = "qcom,sdm845-llcc";
-		reg = <0x1100000 0x200000>, <0x1300000 0x50000> ;
-		reg-names = "llcc_base", "llcc_broadcast_base";
-		interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
-	};
diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml
new file mode 100644
index 000000000000..5ac90d101807
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/msm/qcom,llcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Last Level Cache Controller
+
+maintainers:
+  - Rishabh Bhatnagar <rishabhb@...eaurora.org>
+  - Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
+
+description: |
+  LLCC (Last Level Cache Controller) provides last level of cache memory in SoC,
+  that can be shared by multiple clients. Clients here are different cores in the
+  SoC, the idea is to minimize the local caches at the clients and migrate to
+  common pool of memory. Cache memory is divided into partitions called slices
+  which are assigned to clients. Clients can query the slice details, activate
+  and deactivate them.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sdm845-llcc
+
+  reg:
+    items:
+      - description: LLCC base register region
+      - description: LLCC broadcast base register region
+
+  reg-names:
+    items:
+      - const: llcc_base
+      - const: llcc_broadcast_base
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    cache-controller@...0000 {
+      compatible = "qcom,sdm845-llcc";
+      reg = <0x1100000 0x200000>, <0x1300000 0x50000> ;
+      reg-names = "llcc_base", "llcc_broadcast_base";
+      interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
+    };
-- 
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