linux-kernel - [PATCH v2 2/5] ASoC: lochnagar: Move binding over to dtschema

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Date:   Mon, 4 May 2020 16:47:54 +0100
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     <robh+dt@...nel.org>, <lee.jones@...aro.org>, <broonie@...nel.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>, <jdelvare@...e.com>,
        <linux@...ck-us.net>, <linus.walleij@...aro.org>
CC:     <lgirdwood@...il.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <patches@...nsource.cirrus.com>
Subject: [PATCH v2 2/5] ASoC: lochnagar: Move binding over to dtschema

Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---

Changes since v1:
 - Moved sub-node into MFD file leaving just the properties in here
 - Removed contains on the compatible
 - Removed some pointless descriptions

Thanks,
Charles

 .../devicetree/bindings/sound/cirrus,lochnagar.txt | 39 ----------------
 .../bindings/sound/cirrus,lochnagar.yaml           | 52 ++++++++++++++++++++++
 2 files changed, 52 insertions(+), 39 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/sound/cirrus,lochnagar.txt
 create mode 100644 Documentation/devicetree/bindings/sound/cirrus,lochnagar.yaml

diff --git a/Documentation/devicetree/bindings/sound/cirrus,lochnagar.txt b/Documentation/devicetree/bindings/sound/cirrus,lochnagar.txt
deleted file mode 100644
index 41ae2699f07a9..0000000000000
--- a/Documentation/devicetree/bindings/sound/cirrus,lochnagar.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-Cirrus Logic Lochnagar Audio Development Board
-
-Lochnagar is an evaluation and development board for Cirrus Logic
-Smart CODEC and Amp devices. It allows the connection of most Cirrus
-Logic devices on mini-cards, as well as allowing connection of
-various application processor systems to provide a full evaluation
-platform.  Audio system topology, clocking and power can all be
-controlled through the Lochnagar, allowing the device under test
-to be used in a variety of possible use cases.
-
-This binding document describes the binding for the audio portion
-of the driver.
-
-This binding must be part of the Lochnagar MFD binding:
-  [4] ../mfd/cirrus,lochnagar.txt
-
-Required properties:
-
-  - compatible : One of the following strings:
-                 "cirrus,lochnagar2-soundcard"
-
-  - #sound-dai-cells : Must be set to 1.
-
-  - clocks : Contains an entry for each entry in clock-names.
-  - clock-names : Must include the following clocks:
-      "mclk" Master clock source for the sound card, should normally
-      be set to LOCHNAGAR_SOUNDCARD_MCLK provided by the Lochnagar
-      clock driver.
-
-Example:
-
-lochnagar-sc {
-	compatible = "cirrus,lochnagar2-soundcard";
-
-	#sound-dai-cells = <1>;
-
-	clocks = <&lochnagar_clk LOCHNAGAR_SOUNDCARD_MCLK>;
-	clock-names = "mclk";
-};
diff --git a/Documentation/devicetree/bindings/sound/cirrus,lochnagar.yaml b/Documentation/devicetree/bindings/sound/cirrus,lochnagar.yaml
new file mode 100644
index 0000000000000..cea612d3d4a7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/cirrus,lochnagar.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cirrus,lochnagar.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic Lochnagar Audio Development Board
+
+maintainers:
+  - patches@...nsource.cirrus.com
+
+description: |
+  Lochnagar is an evaluation and development board for Cirrus Logic
+  Smart CODEC and Amp devices. It allows the connection of most Cirrus
+  Logic devices on mini-cards, as well as allowing connection of various
+  application processor systems to provide a full evaluation platform.
+  Audio system topology, clocking and power can all be controlled through
+  the Lochnagar, allowing the device under test to be used in a variety of
+  possible use cases.
+
+  This binding document describes the binding for the audio portion of the
+  driver.
+
+  This binding must be part of the Lochnagar MFD binding:
+    [1] ../mfd/cirrus,lochnagar.yaml
+
+properties:
+  compatible:
+    enum:
+      - cirrus,lochnagar2-soundcard
+
+  '#sound-dai-cells':
+    description:
+      The first cell indicating the audio interface.
+    const: 1
+
+  clocks:
+    description:
+      Master clock source for the sound card, should normally be set to
+      LOCHNAGAR_SOUNDCARD_MCLK provided by the Lochnagar clock driver.
+    maxItems: 1
+
+  clock-names:
+    const: mclk
+
+required:
+  - compatible
+  - '#sound-dai-cells'
+  - clocks
+  - clock-names
+
+additionalProperties: false
-- 
2.11.0