linux-kernel - [RESEND PATCH 1/2] dt-bindings: tegra: Convert HDA doc to json-schema

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Date:   Thu, 3 Dec 2020 20:06:41 +0530
From:   Sameer Pujar <spujar@...dia.com>
To:     <robh+dt@...nel.org>, <thierry.reding@...il.com>,
        <broonie@...nel.org>
CC:     <jonathanh@...dia.com>, <sharadg@...dia.com>,
        <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        Sameer Pujar <spujar@...dia.com>
Subject: [RESEND PATCH 1/2] dt-bindings: tegra: Convert HDA doc to json-schema

Convert Tegra HDA doc to YAML format.

Signed-off-by: Sameer Pujar <spujar@...dia.com>
---
 .../bindings/sound/nvidia,tegra30-hda.txt          | 35 --------
 .../bindings/sound/nvidia,tegra30-hda.yaml         | 98 ++++++++++++++++++++++
 2 files changed, 98 insertions(+), 35 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
 create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
deleted file mode 100644
index 21cd310..0000000
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-NVIDIA Tegra30 HDA controller
-
-Required properties:
-- compatible : For Tegra30, must contain "nvidia,tegra30-hda".  Otherwise,
-  must contain '"nvidia,<chip>-hda", "nvidia,tegra30-hda"', where <chip> is
-  tegra114, tegra124, or tegra132.
-- reg : Should contain the HDA registers location and length.
-- interrupts : The interrupt from the HDA controller.
-- clocks : Must contain an entry for each required entry in clock-names.
-  See ../clocks/clock-bindings.txt for details.
-- clock-names : Must include the following entries: hda, hda2hdmi, hda2codec_2x
-- resets : Must contain an entry for each entry in reset-names.
-  See ../reset/reset.txt for details.
-- reset-names : Must include the following entries: hda, hda2hdmi, hda2codec_2x
-
-Optional properties:
-- nvidia,model : The user-visible name of this sound complex. Since the property
-  is optional, legacy boards can use default name provided in hda driver.
-
-Example:
-
-hda@...30000 {
-	compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
-	reg = <0x0 0x70030000 0x0 0x10000>;
-	interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&tegra_car TEGRA124_CLK_HDA>,
-		 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
-		 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
-	clock-names = "hda", "hda2hdmi", "hda2codec_2x";
-	resets = <&tegra_car 125>, /* hda */
-		 <&tegra_car 128>, /* hda2hdmi */
-		 <&tegra_car 111>; /* hda2codec_2x */
-	reset-names = "hda", "hda2hdmi", "hda2codec_2x";
-	nvidia,model = "jetson-tk1-hda";
-};
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
new file mode 100644
index 0000000..3059bc3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nvidia,tegra30-hda.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra HDA controller
+
+description: |
+  The High Definition Audio (HDA) block provides a serial interface to
+  audio codec. It supports multiple input and output streams.
+
+maintainers:
+  - Thierry Reding <treding@...dia.com>
+  - Jon Hunter <jonathanh@...dia.com>
+
+properties:
+  $nodename:
+    pattern: "^hda@[0-9a-f]*$"
+
+  compatible:
+    oneOf:
+      - const: nvidia,tegra30-hda
+      - items:
+          - enum:
+              - nvidia,tegra194-hda
+              - nvidia,tegra186-hda
+              - nvidia,tegra210-hda
+              - nvidia,tegra124-hda
+          - const: nvidia,tegra30-hda
+      - items:
+          - const: nvidia,tegra132-hda
+          - const: nvidia,tegra124-hda
+          - const: nvidia,tegra30-hda
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description: The interrupt from the HDA controller
+    maxItems: 1
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    maxItems: 3
+    items:
+      - const: hda
+      - const: hda2hdmi
+      - const: hda2codec_2x
+
+  resets:
+    maxItems: 3
+
+  reset-names:
+    maxItems: 3
+    items:
+      - const: hda
+      - const: hda2hdmi
+      - const: hda2codec_2x
+
+  nvidia,model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: |
+      The user-visible name of this sound complex. If this property is
+      not specified then boards can use default name provided in hda driver.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include<dt-bindings/clock/tegra124-car-common.h>
+    #include<dt-bindings/interrupt-controller/arm-gic.h>
+
+    hda@...30000 {
+        compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
+        reg = <0x70030000 0x10000>;
+        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&tegra_car TEGRA124_CLK_HDA>,
+                 <&tegra_car TEGRA124_CLK_HDA2HDMI>,
+                 <&tegra_car TEGRA124_CLK_HDA2CODEC_2X>;
+        clock-names = "hda", "hda2hdmi", "hda2codec_2x";
+        resets = <&tegra_car 125>, /* hda */
+                 <&tegra_car 128>, /* hda2hdmi */
+                 <&tegra_car 111>; /* hda2codec_2x */
+        reset-names = "hda", "hda2hdmi", "hda2codec_2x";
+        nvidia,model = "jetson-tk1-hda";
+    };
+
+...
-- 
2.7.4