linux-kernel - [PATCH v3 10/11] dt-bindings: clk: Add KUnit clk_parent

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Message-Id: <20230327222159.3509818-11-sboyd@kernel.org>
Date:   Mon, 27 Mar 2023 15:21:58 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        patches@...ts.linux.dev,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        David Gow <davidgow@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Christian Marangi <ansuelsmth@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, Maxime Ripard <maxime@...no.tech>
Subject: [PATCH v3 10/11] dt-bindings: clk: Add KUnit clk_parent_data test

Describe a binding for a device that provides and consumes clks in DT so
that a KUnit test can register clks based on the device node and test
clk_hw_register() with clk_parent_data.

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: Brendan Higgins <brendan.higgins@...ux.dev>
Cc: David Gow <davidgow@...gle.com>
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
---
 .../bindings/clock/test,clk-parent-data.yaml  | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/test,clk-parent-data.yaml

diff --git a/Documentation/devicetree/bindings/clock/test,clk-parent-data.yaml b/Documentation/devicetree/bindings/clock/test,clk-parent-data.yaml
new file mode 100644
index 000000000000..a2f927526405
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/test,clk-parent-data.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/test,clk-parent-data.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Fake clk provider for clk_parent_data unit tests
+
+maintainers:
+  - Stephen Boyd <sboyd@...nel.org>
+
+description:
+  A clk provider to test the struct clk_parent_data implementation in the Linux
+  kernel.
+
+properties:
+  compatible:
+    const: test,clk-parent-data
+
+  clocks:
+    items:
+      - description: Fixed parent
+      - description: 50 MHz fixed parent
+
+  clock-names:
+    items:
+      - const: parent_fwname
+      - const: "50"
+
+  "#clock-cells":
+    const: 1
+
+required:
+  - compatible
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller {
+      compatible = "test,clk-parent-data";
+      #clock-cells = <1>;
+      clocks = <&fixed_parent>, <&fixed_50MHz>;
+      clock-names = "parent_fwname", "50";
+    };
+...
-- 
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git