linux-kernel - [PATCH 01/14] dt-bindings: reset: amlogic,meson-axg-audio-arb: Convert to yaml

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Date:   Thu,  7 Apr 2022 17:43:25 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     devicetree@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-kernel@...r.kernel.org, Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 01/14] dt-bindings: reset: amlogic,meson-axg-audio-arb: Convert to yaml

Convert the device tree bindings for the Amlogic audio memory arbiter
controller to YAML schema to allow participating in DT validation.

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
Cc: Kevin Hilman <khilman@...libre.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 .../reset/amlogic,meson-axg-audio-arb.txt     | 22 --------
 .../reset/amlogic,meson-axg-audio-arb.yaml    | 56 +++++++++++++++++++
 2 files changed, 56 insertions(+), 22 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt
 create mode 100644 Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml

diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt
deleted file mode 100644
index 43e580ef64ba..000000000000
--- a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-* Amlogic audio memory arbiter controller
-
-The Amlogic Audio ARB is a simple device which enables or
-disables the access of Audio FIFOs to DDR on AXG based SoC.
-
-Required properties:
-- compatible: 'amlogic,meson-axg-audio-arb' or
-	      'amlogic,meson-sm1-audio-arb'
-- reg: physical base address of the controller and length of memory
-       mapped region.
-- clocks: phandle to the fifo peripheral clock provided by the audio
-	  clock controller.
-- #reset-cells: must be 1.
-
-Example on the A113 SoC:
-
-arb: reset-controller@280 {
-	compatible = "amlogic,meson-axg-audio-arb";
-	reg = <0x0 0x280 0x0 0x4>;
-	#reset-cells = <1>;
-	clocks = <&clkc_audio AUD_CLKID_DDR_ARB>;
-};
diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml
new file mode 100644
index 000000000000..704a502adc5d
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 BayLibre, SAS
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reset/amlogic,meson-axg-audio-arb.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic audio memory arbiter controller
+
+maintainers:
+  - Jerome Brunet <jbrunet@...libre.com>
+
+description: The Amlogic Audio ARB is a simple device which enables or disables
+  the access of Audio FIFOs to DDR on AXG based SoC.
+
+properties:
+  compatible:
+    enum:
+      - amlogic,meson-axg-audio-arb
+      - amlogic,meson-sm1-audio-arb
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: |
+      phandle to the fifo peripheral clock provided by the audio clock
+      controller.
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    // on the A113 SoC:
+    #include <dt-bindings/clock/axg-audio-clkc.h>
+    bus {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        arb: reset-controller@280 {
+            compatible = "amlogic,meson-axg-audio-arb";
+            reg = <0x0 0x280 0x0 0x4>;
+            #reset-cells = <1>;
+            clocks = <&clkc_audio AUD_CLKID_DDR_ARB>;
+        };
+    };
-- 
2.30.2