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From:   Ansuel Smith <ansuelsmth@gmail.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Ansuel Smith <ansuelsmth@gmail.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org
Subject: [PATCH v2 3/3] dt-bindings: arm: msm: Convert kpss-gcc driver Documentation to yaml
Date:   Sat, 30 Apr 2022 08:01:25 +0200
Message-Id: <20220430060125.9124-4-ansuelsmth@gmail.com>
In-Reply-To: <20220430060125.9124-1-ansuelsmth@gmail.com>
References: <20220430060125.9124-1-ansuelsmth@gmail.com>
MIME-Version: 1.0
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Convert kpss-gcc driver Documentation to yaml.
Add #clock-cells additional binding to required bindings and example
as it's a required binding for clock-output-names.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
 .../bindings/arm/msm/qcom,kpss-gcc.txt        | 44 ------------
 .../bindings/arm/msm/qcom,kpss-gcc.yaml       | 68 +++++++++++++++++++
 2 files changed, 68 insertions(+), 44 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
 create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml

diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
deleted file mode 100644
index e628758950e1..000000000000
--- a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-Krait Processor Sub-system (KPSS) Global Clock Controller (GCC)
-
-PROPERTIES
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: should be one of the following. The generic compatible
-			"qcom,kpss-gcc" should also be included.
-			"qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"
-			"qcom,kpss-gcc-apq8064", "qcom,kpss-gcc"
-			"qcom,kpss-gcc-msm8974", "qcom,kpss-gcc"
-			"qcom,kpss-gcc-msm8960", "qcom,kpss-gcc"
-
-- reg:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: base address and size of the register region
-
-- clocks:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: reference to the pll parents.
-
-- clock-names:
-	Usage: required
-	Value type: <stringlist>
-	Definition: must be "pll8_vote", "pxo".
-
-- clock-output-names:
-	Usage: required
-	Value type: <string>
-	Definition: Name of the output clock. Typically acpu_l2_aux indicating
-		    an L2 cache auxiliary clock.
-
-Example:
-
-	l2cc: clock-controller@2011000 {
-		compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc";
-		reg = <0x2011000 0x1000>;
-		clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>;
-		clock-names = "pll8_vote", "pxo";
-		clock-output-names = "acpu_l2_aux";
-	};
diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml
new file mode 100644
index 000000000000..20ee182eb16f
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/msm/qcom,kpss-gcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Krait Processor Sub-system (KPSS) Global Clock Controller (GCC)
+
+maintainers:
+  - Ansuel Smith <ansuelsmth@gmail.com>
+
+description: |
+  Krait Processor Sub-system (KPSS) Global Clock Controller (GCC). Used
+  to control L2 mux (in the current implementation).
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - qcom,kpss-gcc-ipq8064
+          - qcom,kpss-gcc-apq8064
+          - qcom,kpss-gcc-msm8974
+          - qcom,kpss-gcc-msm8960
+      - const: qcom,kpss-gcc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: phandle to pll8_vote
+      - description: phandle to pxo_board
+
+  clock-names:
+    items:
+      - const: pll8_vote
+      - const: pxo
+
+  clock-output-names:
+    const: acpu_l2_aux
+
+  '#clock-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - clock-output-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-ipq806x.h>
+
+    clock-controller@2011000 {
+      compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc";
+      reg = <0x2011000 0x1000>;
+      clocks = <&gcc PLL8_VOTE>, <&pxo_board>;
+      clock-names = "pll8_vote", "pxo";
+      clock-output-names = "acpu_l2_aux";
+      #clock-cells = <0>;
+    };
+...
+
-- 
2.34.1