[PATCH v2 1/5] ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning

[PATCH v2 1/5] ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning

[Maxime Ripard]

From: Maxime Ripard <maxime.ripard@bootlin.com>

Even though the H6 compatible has been properly added, the exeption for the
number of DMA channels hasn't been updated, leading in a validation
warning.

Fix this.

Fixes: b20453031472 ("dt-bindings: sound: sun4i-spdif: Add Allwinner H6 compatible")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

---

Changes from v1:
  - Fix subject prefix
---
 .../devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
index e0284d8c3b63..38d4cede0860 100644
--- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
@@ -70,7 +70,9 @@ allOf:
       properties:
         compatible:
           contains:
-            const: allwinner,sun8i-h3-spdif
+            enum:
+              - allwinner,sun8i-h3-spdif
+              - allwinner,sun50i-h6-spdif
 
     then:
       properties:
-- 
2.21.0


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[PATCH v2 2/5] ASoC: dt-bindings: Convert Allwinner A10 codec to a schema

[Maxime Ripard]

From: Maxime Ripard <maxime.ripard@bootlin.com>

The Allwinner SoCs have an embedded audio codec that is supported in Linux,
with a matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

---

Changes from v1:
  - Fix subject prefix
---
 .../sound/allwinner,sun4i-a10-codec.yaml      | 162 ++++++++++++++++++
 .../devicetree/bindings/sound/sun4i-codec.txt |  94 ----------
 2 files changed, 162 insertions(+), 94 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun4i-codec.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
new file mode 100644
index 000000000000..44feefae0ef0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
@@ -0,0 +1,162 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-codec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  "#sound-dai-cells":
+    const: 0
+
+  compatible:
+    enum:
+      - allwinner,sun4i-a10-codec
+      - allwinner,sun6i-a31-codec
+      - allwinner,sun7i-a20-codec
+      - allwinner,sun8i-a23-codec
+      - allwinner,sun8i-h3-codec
+      - allwinner,sun8i-v3s-codec
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+
+  clock-names:
+    items:
+      - const: apb
+      - const: codec
+
+  dmas:
+    items:
+      - description: RX DMA Channel
+      - description: TX DMA Channel
+
+  dma-names:
+    items:
+      - const: rx
+      - const: tx
+
+  resets:
+    maxItems: 1
+
+  allwinner,audio-routing:
+    $ref: /schemas/types.yaml#definitions/non-unique-string-array
+    description: |-
+      A list of the connections between audio components.  Each entry
+      is a pair of strings, the first being the connection\'s sink, the
+      second being the connection\'s source. Valid names include
+
+        Audio pins on the SoC
+          HP
+          HPCOM
+          LINEIN    (not on sun8i-v3s)
+          LINEOUT   (not on sun8i-a23 or sun8i-v3s)
+          MIC1
+          MIC2      (not on sun8i-v3s)
+          MIC3      (only on sun6i-a31)
+
+        Microphone biases from the SoC
+          HBIAS
+          MBIAS     (not on sun8i-v3s)
+
+        Board connectors
+          Headphone
+          Headset Mic
+          Line In
+          Line Out
+          Mic
+          Speaker
+
+  allwinner,codec-analog-controls:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Phandle to the codec analog controls in the PRCM
+
+  allwinner,pa-gpios:
+    description: GPIO to enable the external amplifier
+
+required:
+  - "#sound-dai-cells"
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - dmas
+  - dma-names
+
+if:
+  properties:
+    compatible:
+      enum:
+        - allwinner,sun6i-a31-codec
+        - allwinner,sun8i-a23-codec
+        - allwinner,sun8i-h3-codec
+        - allwinner,sun8i-v3s-codec
+
+then:
+  if:
+    properties:
+      compatible:
+        const: allwinner,sun6i-a31-codec
+
+  then:
+    required:
+      - resets
+      - allwinner,audio-routing
+
+  else:
+    required:
+      - resets
+      - allwinner,audio-routing
+      - allwinner,codec-analog-controls
+
+additionalProperties: false
+
+examples:
+  - |
+    codec@1c22c00 {
+        #sound-dai-cells = <0>;
+        compatible = "allwinner,sun7i-a20-codec";
+        reg = <0x01c22c00 0x40>;
+        interrupts = <0 30 4>;
+        clocks = <&apb0_gates 0>, <&codec_clk>;
+        clock-names = "apb", "codec";
+        dmas = <&dma 0 19>, <&dma 0 19>;
+        dma-names = "rx", "tx";
+    };
+
+  - |
+    codec@1c22c00 {
+        #sound-dai-cells = <0>;
+        compatible = "allwinner,sun6i-a31-codec";
+        reg = <0x01c22c00 0x98>;
+        interrupts = <0 29 4>;
+        clocks = <&ccu 61>, <&ccu 135>;
+        clock-names = "apb", "codec";
+        resets = <&ccu 42>;
+        dmas = <&dma 15>, <&dma 15>;
+        dma-names = "rx", "tx";
+        allwinner,audio-routing =
+            "Headphone", "HP",
+            "Speaker", "LINEOUT",
+            "LINEIN", "Line In",
+            "MIC1", "MBIAS",
+            "MIC1", "Mic",
+            "MIC2", "HBIAS",
+            "MIC2", "Headset Mic";
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
deleted file mode 100644
index 66579bbd3294..000000000000
--- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt
+++ /dev/null
@@ -1,94 +0,0 @@
-* Allwinner A10 Codec
-
-Required properties:
-- compatible: must be one of the following compatibles:
-		- "allwinner,sun4i-a10-codec"
-		- "allwinner,sun6i-a31-codec"
-		- "allwinner,sun7i-a20-codec"
-		- "allwinner,sun8i-a23-codec"
-		- "allwinner,sun8i-h3-codec"
-		- "allwinner,sun8i-v3s-codec"
-- reg: must contain the registers location and length
-- interrupts: must contain the codec interrupt
-- dmas: DMA channels for tx and rx dma. See the DMA client binding,
-	Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: should include "tx" and "rx".
-- clocks: a list of phandle + clock-specifer pairs, one for each entry
-  in clock-names.
-- clock-names: should contain the following:
-   - "apb": the parent APB clock for this controller
-   - "codec": the parent module clock
-
-Optional properties:
-- allwinner,pa-gpios: gpio to enable external amplifier
-
-Required properties for the following compatibles:
-		- "allwinner,sun6i-a31-codec"
-		- "allwinner,sun8i-a23-codec"
-		- "allwinner,sun8i-h3-codec"
-		- "allwinner,sun8i-v3s-codec"
-- resets: phandle to the reset control for this device
-- allwinner,audio-routing: A list of the connections between audio components.
-			   Each entry is a pair of strings, the first being the
-			   connection's sink, the second being the connection's
-			   source. Valid names include:
-
-			   Audio pins on the SoC:
-			   "HP"
-			   "HPCOM"
-			   "LINEIN"	(not on sun8i-v3s)
-			   "LINEOUT"	(not on sun8i-a23 or sun8i-v3s)
-			   "MIC1"
-			   "MIC2"	(not on sun8i-v3s)
-			   "MIC3"	(sun6i-a31 only)
-
-			   Microphone biases from the SoC:
-			   "HBIAS"
-			   "MBIAS"	(not on sun8i-v3s)
-
-			   Board connectors:
-			   "Headphone"
-			   "Headset Mic"
-			   "Line In"
-			   "Line Out"
-			   "Mic"
-			   "Speaker"
-
-Required properties for the following compatibles:
-		- "allwinner,sun8i-a23-codec"
-		- "allwinner,sun8i-h3-codec"
-		- "allwinner,sun8i-v3s-codec"
-- allwinner,codec-analog-controls: A phandle to the codec analog controls
-				   block in the PRCM.
-
-Example:
-codec: codec@1c22c00 {
-	#sound-dai-cells = <0>;
-	compatible = "allwinner,sun7i-a20-codec";
-	reg = <0x01c22c00 0x40>;
-	interrupts = <0 30 4>;
-	clocks = <&apb0_gates 0>, <&codec_clk>;
-	clock-names = "apb", "codec";
-	dmas = <&dma 0 19>, <&dma 0 19>;
-	dma-names = "rx", "tx";
-};
-
-codec: codec@1c22c00 {
-	#sound-dai-cells = <0>;
-	compatible = "allwinner,sun6i-a31-codec";
-	reg = <0x01c22c00 0x98>;
-	interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&ccu CLK_APB1_CODEC>, <&ccu CLK_CODEC>;
-	clock-names = "apb", "codec";
-	resets = <&ccu RST_APB1_CODEC>;
-	dmas = <&dma 15>, <&dma 15>;
-	dma-names = "rx", "tx";
-	allwinner,audio-routing =
-		"Headphone", "HP",
-		"Speaker", "LINEOUT",
-		"LINEIN", "Line In",
-		"MIC1",	"MBIAS",
-		"MIC1", "Mic",
-		"MIC2", "HBIAS",
-		"MIC2", "Headset Mic";
-};
-- 
2.21.0


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[PATCH v2 3/5] ASoC: dt-bindings: Convert Allwinner A33 codec to a schema

[Maxime Ripard]

From: Maxime Ripard <maxime.ripard@bootlin.com>

The Allwinner A33 SoC have an embedded audio codec that is supported in Linux,
with a matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

---

Changes from v1:
  - Fix subject prefix
---
 .../sound/allwinner,sun8i-a33-codec.yaml      | 57 +++++++++++++++++
 .../bindings/sound/sun8i-a33-codec.txt        | 63 -------------------
 2 files changed, 57 insertions(+), 63 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
new file mode 100644
index 000000000000..5e7cc05bbff1
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun8i-a33-codec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A33 Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  "#sound-dai-cells":
+    const: 0
+
+  compatible:
+    const: allwinner,sun8i-a33-codec
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+
+  clock-names:
+    items:
+      - const: bus
+      - const: mod
+
+required:
+  - "#sound-dai-cells"
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    audio-codec@1c22e00 {
+      #sound-dai-cells = <0>;
+      compatible = "allwinner,sun8i-a33-codec";
+      reg = <0x01c22e00 0x400>;
+      interrupts = <0 29 4>;
+      clocks = <&ccu 47>, <&ccu 92>;
+      clock-names = "bus", "mod";
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt b/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt
deleted file mode 100644
index 7ecf6bd60d27..000000000000
--- a/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt
+++ /dev/null
@@ -1,63 +0,0 @@
-Allwinner SUN8I audio codec
-------------------------------------
-
-On Sun8i-A33 SoCs, the audio is separated in different parts:
-	  - A DAI driver. It uses the "sun4i-i2s" driver which is
-	  documented here:
-	  Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml
-	  - An analog part of the codec which is handled as PRCM registers.
-	  See Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
-	  - An digital part of the codec which is documented in this current
-	  binding documentation.
-	  - And finally, an audio card which links all the above components.
-	  The simple-audio card will be used.
-	  See Documentation/devicetree/bindings/sound/simple-card.txt
-
-This bindings documentation exposes Sun8i codec (digital part).
-
-Required properties:
-- compatible: must be "allwinner,sun8i-a33-codec"
-- reg: must contain the registers location and length
-- interrupts: must contain the codec interrupt
-- clocks: a list of phandle + clock-specifer pairs, one for each entry
-  in clock-names.
-- clock-names: should contain followings:
-   - "bus": the parent APB clock for this controller
-   - "mod": the parent module clock
-
-Here is an example to add a sound card and the codec binding on sun8i SoCs that
-are similar to A33 using simple-card:
-
-	sound {
-		compatible = "simple-audio-card";
-		simple-audio-card,name = "sun8i-a33-audio";
-		simple-audio-card,format = "i2s";
-		simple-audio-card,frame-master = <&link_codec>;
-		simple-audio-card,bitclock-master = <&link_codec>;
-		simple-audio-card,mclk-fs = <512>;
-		simple-audio-card,aux-devs = <&codec_analog>;
-		simple-audio-card,routing =
-				"Left DAC", "Digital Left DAC",
-				"Right DAC", "Digital Right DAC";
-
-		simple-audio-card,cpu {
-			sound-dai = <&dai>;
-		};
-
-		link_codec: simple-audio-card,codec {
-			sound-dai = <&codec>;
-		};
-
-	soc@1c00000 {
-		[...]
-
-		audio-codec@1c22e00 {
-			#sound-dai-cells = <0>;
-			compatible = "allwinner,sun8i-a33-codec";
-			reg = <0x01c22e00 0x400>;
-			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>;
-			clock-names = "bus", "mod";
-		};
-	};
-
-- 
2.21.0


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[PATCH v2 4/5] ASoC: dt-bindings: Convert Allwinner A23 analog codec to a schema

[Maxime Ripard]

From: Maxime Ripard <maxime.ripard@bootlin.com>

The Allwinner A23 SoC and later have an embedded audio codec that uses a
separate controller to drive its analog part, which is supported in Linux,
with a matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

---

Changes from v1:
  - Fix subject prefix
---
 .../allwinner,sun8i-a23-codec-analog.yaml     | 38 +++++++++++++++++++
 .../bindings/sound/sun8i-codec-analog.txt     | 17 ---------
 2 files changed, 38 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
new file mode 100644
index 000000000000..832779389cbd
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun8i-a23-codec-analog.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A23 Analog Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  compatible:
+    oneOf:
+      # FIXME: This is documented in the PRCM binding, but needs to be
+      # migrated here at some point
+      # - const: allwinner,sun8i-a23-codec-analog
+      - const: allwinner,sun8i-h3-codec-analog
+      - const: allwinner,sun8i-v3s-codec-analog
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    codec_analog: codec-analog@1f015c0 {
+      compatible = "allwinner,sun8i-h3-codec-analog";
+      reg = <0x01f015c0 0x4>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
deleted file mode 100644
index 07356758bd91..000000000000
--- a/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-* Allwinner Codec Analog Controls
-
-Required properties:
-- compatible: must be one of the following compatibles:
-		- "allwinner,sun8i-a23-codec-analog"
-		- "allwinner,sun8i-h3-codec-analog"
-		- "allwinner,sun8i-v3s-codec-analog"
-
-Required properties if not a sub-node of the PRCM node:
-- reg: must contain the registers location and length
-
-Example:
-prcm: prcm@1f01400 {
-	codec_analog: codec-analog {
-		compatible = "allwinner,sun8i-a23-codec-analog";
-	};
-};
-- 
2.21.0


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[PATCH v2 5/5] ASoC: dt-bindings: Convert Allwinner A64 analog codec to a schema

[Maxime Ripard]

From: Maxime Ripard <maxime.ripard@bootlin.com>

The Allwinner A64 SoC has an embedded audio codec that uses a separate
controller to drive its analog part, which is supported in Linux, with a
matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

---

Changes from v1:
  - Fix subject prefix
---
 .../allwinner,sun50i-a64-codec-analog.yaml    | 39 +++++++++++++++++++
 .../bindings/sound/sun50i-codec-analog.txt    | 14 -------
 2 files changed, 39 insertions(+), 14 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
new file mode 100644
index 000000000000..f290eb72a878
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun50i-a64-codec-analog.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A64 Analog Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  compatible:
+    const: allwinner,sun50i-a64-codec-analog
+
+  reg:
+    maxItems: 1
+
+  cpvdd-supply:
+    description:
+      Regulator for the headphone amplifier
+
+required:
+  - compatible
+  - reg
+  - cpvdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    codec_analog: codec-analog@1f015c0 {
+      compatible = "allwinner,sun50i-a64-codec-analog";
+      reg = <0x01f015c0 0x4>;
+      cpvdd-supply = <&reg_eldo1>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
deleted file mode 100644
index 056a098495cc..000000000000
--- a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-* Allwinner A64 Codec Analog Controls
-
-Required properties:
-- compatible: must be one of the following compatibles:
-		- "allwinner,sun50i-a64-codec-analog"
-- reg: must contain the registers location and length
-- cpvdd-supply: Regulator supply for the headphone amplifier
-
-Example:
-	codec_analog: codec-analog@1f015c0 {
-		compatible = "allwinner,sun50i-a64-codec-analog";
-		reg = <0x01f015c0 0x4>;
-		cpvdd-supply = <&reg_eldo1>;
-	};
-- 
2.21.0


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Re: [PATCH v2 2/5] ASoC: dt-bindings: Convert Allwinner A10 codec to a schema

[Rob Herring]

On Wed, Aug 28, 2019 at 7:52 AM Maxime Ripard <mripard@kernel.org> wrote:
>
> From: Maxime Ripard <maxime.ripard@bootlin.com>
>
> The Allwinner SoCs have an embedded audio codec that is supported in Linux,
> with a matching Device Tree binding.
>
> Now that we have the DT validation in place, let's convert the device tree
> bindings for that controller over to a YAML schemas.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
>
> ---
>
> Changes from v1:
>   - Fix subject prefix
> ---
>  .../sound/allwinner,sun4i-a10-codec.yaml      | 162 ++++++++++++++++++
>  .../devicetree/bindings/sound/sun4i-codec.txt |  94 ----------
>  2 files changed, 162 insertions(+), 94 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/sun4i-codec.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
> new file mode 100644
> index 000000000000..44feefae0ef0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
> @@ -0,0 +1,162 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-codec.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner A10 Codec Device Tree Bindings
> +
> +maintainers:
> +  - Chen-Yu Tsai <wens@csie.org>
> +  - Maxime Ripard <maxime.ripard@bootlin.com>
> +
> +properties:
> +  "#sound-dai-cells":
> +    const: 0
> +
> +  compatible:
> +    enum:
> +      - allwinner,sun4i-a10-codec
> +      - allwinner,sun6i-a31-codec
> +      - allwinner,sun7i-a20-codec
> +      - allwinner,sun8i-a23-codec
> +      - allwinner,sun8i-h3-codec
> +      - allwinner,sun8i-v3s-codec
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Bus Clock
> +      - description: Module Clock
> +
> +  clock-names:
> +    items:
> +      - const: apb
> +      - const: codec
> +
> +  dmas:
> +    items:
> +      - description: RX DMA Channel
> +      - description: TX DMA Channel
> +
> +  dma-names:
> +    items:
> +      - const: rx
> +      - const: tx
> +
> +  resets:
> +    maxItems: 1
> +
> +  allwinner,audio-routing:
> +    $ref: /schemas/types.yaml#definitions/non-unique-string-array
> +    description: |-
> +      A list of the connections between audio components.  Each entry
> +      is a pair of strings, the first being the connection\'s sink, the
> +      second being the connection\'s source. Valid names include
> +
> +        Audio pins on the SoC
> +          HP
> +          HPCOM
> +          LINEIN    (not on sun8i-v3s)
> +          LINEOUT   (not on sun8i-a23 or sun8i-v3s)
> +          MIC1
> +          MIC2      (not on sun8i-v3s)
> +          MIC3      (only on sun6i-a31)
> +
> +        Microphone biases from the SoC
> +          HBIAS
> +          MBIAS     (not on sun8i-v3s)
> +
> +        Board connectors
> +          Headphone
> +          Headset Mic
> +          Line In
> +          Line Out
> +          Mic
> +          Speaker

All these strings should be in an enum. If 'items' is a schema rather
than a list, it applies to all items.

Also, I assume that maxItems can be 18 and minItems is 2?

> +
> +  allwinner,codec-analog-controls:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: Phandle to the codec analog controls in the PRCM
> +
> +  allwinner,pa-gpios:
> +    description: GPIO to enable the external amplifier
> +
> +required:
> +  - "#sound-dai-cells"
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +  - dmas
> +  - dma-names
> +
> +if:
> +  properties:
> +    compatible:
> +      enum:
> +        - allwinner,sun6i-a31-codec
> +        - allwinner,sun8i-a23-codec
> +        - allwinner,sun8i-h3-codec
> +        - allwinner,sun8i-v3s-codec
> +
> +then:
> +  if:
> +    properties:
> +      compatible:
> +        const: allwinner,sun6i-a31-codec
> +
> +  then:
> +    required:
> +      - resets
> +      - allwinner,audio-routing
> +
> +  else:
> +    required:
> +      - resets
> +      - allwinner,audio-routing
> +      - allwinner,codec-analog-controls
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    codec@1c22c00 {
> +        #sound-dai-cells = <0>;
> +        compatible = "allwinner,sun7i-a20-codec";
> +        reg = <0x01c22c00 0x40>;
> +        interrupts = <0 30 4>;
> +        clocks = <&apb0_gates 0>, <&codec_clk>;
> +        clock-names = "apb", "codec";
> +        dmas = <&dma 0 19>, <&dma 0 19>;
> +        dma-names = "rx", "tx";
> +    };
> +
> +  - |
> +    codec@1c22c00 {
> +        #sound-dai-cells = <0>;
> +        compatible = "allwinner,sun6i-a31-codec";
> +        reg = <0x01c22c00 0x98>;
> +        interrupts = <0 29 4>;
> +        clocks = <&ccu 61>, <&ccu 135>;
> +        clock-names = "apb", "codec";
> +        resets = <&ccu 42>;
> +        dmas = <&dma 15>, <&dma 15>;
> +        dma-names = "rx", "tx";
> +        allwinner,audio-routing =
> +            "Headphone", "HP",
> +            "Speaker", "LINEOUT",
> +            "LINEIN", "Line In",
> +            "MIC1", "MBIAS",
> +            "MIC1", "Mic",
> +            "MIC2", "HBIAS",
> +            "MIC2", "Headset Mic";
> +    };
> +
> +...

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Re: [PATCH v2 4/5] ASoC: dt-bindings: Convert Allwinner A23 analog codec to a schema

[Rob Herring]

On Wed, Aug 28, 2019 at 7:52 AM Maxime Ripard <mripard@kernel.org> wrote:
>
> From: Maxime Ripard <maxime.ripard@bootlin.com>
>
> The Allwinner A23 SoC and later have an embedded audio codec that uses a
> separate controller to drive its analog part, which is supported in Linux,
> with a matching Device Tree binding.
>
> Now that we have the DT validation in place, let's convert the device tree
> bindings for that controller over to a YAML schemas.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
>
> ---
>
> Changes from v1:
>   - Fix subject prefix
> ---
>  .../allwinner,sun8i-a23-codec-analog.yaml     | 38 +++++++++++++++++++
>  .../bindings/sound/sun8i-codec-analog.txt     | 17 ---------
>  2 files changed, 38 insertions(+), 17 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
> new file mode 100644
> index 000000000000..832779389cbd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a23-codec-analog.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/allwinner,sun8i-a23-codec-analog.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner A23 Analog Codec Device Tree Bindings
> +
> +maintainers:
> +  - Chen-Yu Tsai <wens@csie.org>
> +  - Maxime Ripard <maxime.ripard@bootlin.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      # FIXME: This is documented in the PRCM binding, but needs to be
> +      # migrated here at some point
> +      # - const: allwinner,sun8i-a23-codec-analog
> +      - const: allwinner,sun8i-h3-codec-analog
> +      - const: allwinner,sun8i-v3s-codec-analog

enum is nicer than oneOf+const.

> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    codec_analog: codec-analog@1f015c0 {
> +      compatible = "allwinner,sun8i-h3-codec-analog";
> +      reg = <0x01f015c0 0x4>;
> +    };
> +
> +...

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Re: [PATCH v2 3/5] ASoC: dt-bindings: Convert Allwinner A33 codec to a schema

[Rob Herring]

On Wed, Aug 28, 2019 at 7:52 AM Maxime Ripard <mripard@kernel.org> wrote:
>
> From: Maxime Ripard <maxime.ripard@bootlin.com>
>
> The Allwinner A33 SoC have an embedded audio codec that is supported in Linux,
> with a matching Device Tree binding.
>
> Now that we have the DT validation in place, let's convert the device tree
> bindings for that controller over to a YAML schemas.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
>
> ---
>
> Changes from v1:
>   - Fix subject prefix
> ---
>  .../sound/allwinner,sun8i-a33-codec.yaml      | 57 +++++++++++++++++
>  .../bindings/sound/sun8i-a33-codec.txt        | 63 -------------------
>  2 files changed, 57 insertions(+), 63 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt

Reviewed-by: Rob Herring <robh@kernel.org>

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Re: [PATCH v2 5/5] ASoC: dt-bindings: Convert Allwinner A64 analog codec to a schema

[Rob Herring]

On Wed, Aug 28, 2019 at 7:52 AM Maxime Ripard <mripard@kernel.org> wrote:
>
> From: Maxime Ripard <maxime.ripard@bootlin.com>
>
> The Allwinner A64 SoC has an embedded audio codec that uses a separate
> controller to drive its analog part, which is supported in Linux, with a
> matching Device Tree binding.
>
> Now that we have the DT validation in place, let's convert the device tree
> bindings for that controller over to a YAML schemas.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
>
> ---
>
> Changes from v1:
>   - Fix subject prefix
> ---
>  .../allwinner,sun50i-a64-codec-analog.yaml    | 39 +++++++++++++++++++
>  .../bindings/sound/sun50i-codec-analog.txt    | 14 -------
>  2 files changed, 39 insertions(+), 14 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt

Reviewed-by: Rob Herring <robh@kernel.org>

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Re: [PATCH v2 1/5] ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning

[Rob Herring]

On Wed, Aug 28, 2019 at 7:52 AM Maxime Ripard <mripard@kernel.org> wrote:
>
> From: Maxime Ripard <maxime.ripard@bootlin.com>
>
> Even though the H6 compatible has been properly added, the exeption for the
> number of DMA channels hasn't been updated, leading in a validation
> warning.
>
> Fix this.
>
> Fixes: b20453031472 ("dt-bindings: sound: sun4i-spdif: Add Allwinner H6 compatible")
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
>
> ---
>
> Changes from v1:
>   - Fix subject prefix
> ---
>  .../devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml  | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@kernel.org>

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Applied "ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning" to the asoc tree

[Mark Brown]

The patch

   ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From 1a8e7cdfa4f5872bf0c202d09bff6628aba6b9f6 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Wed, 28 Aug 2019 14:52:05 +0200
Subject: [PATCH] ASoC: dt-bindings: sun4i-spdif: Fix dma-names warning

Even though the H6 compatible has been properly added, the exeption for the
number of DMA channels hasn't been updated, leading in a validation
warning.

Fix this.

Fixes: b20453031472 ("dt-bindings: sound: sun4i-spdif: Add Allwinner H6 compatible")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/20190828125209.28173-1-mripard@kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 .../devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
index e0284d8c3b63..38d4cede0860 100644
--- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml
@@ -70,7 +70,9 @@ allOf:
       properties:
         compatible:
           contains:
-            const: allwinner,sun8i-h3-spdif
+            enum:
+              - allwinner,sun8i-h3-spdif
+              - allwinner,sun50i-h6-spdif
 
     then:
       properties:
-- 
2.20.1


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Applied "ASoC: dt-bindings: Convert Allwinner A64 analog codec to a schema" to the asoc tree

[Mark Brown]

The patch

   ASoC: dt-bindings: Convert Allwinner A64 analog codec to a schema

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From 497144a5b7af12097c09b0ca30409ee7122499a0 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Wed, 28 Aug 2019 14:52:09 +0200
Subject: [PATCH] ASoC: dt-bindings: Convert Allwinner A64 analog codec to a
 schema

The Allwinner A64 SoC has an embedded audio codec that uses a separate
controller to drive its analog part, which is supported in Linux, with a
matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/20190828125209.28173-5-mripard@kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 .../allwinner,sun50i-a64-codec-analog.yaml    | 39 +++++++++++++++++++
 .../bindings/sound/sun50i-codec-analog.txt    | 14 -------
 2 files changed, 39 insertions(+), 14 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
new file mode 100644
index 000000000000..f290eb72a878
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun50i-a64-codec-analog.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun50i-a64-codec-analog.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A64 Analog Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  compatible:
+    const: allwinner,sun50i-a64-codec-analog
+
+  reg:
+    maxItems: 1
+
+  cpvdd-supply:
+    description:
+      Regulator for the headphone amplifier
+
+required:
+  - compatible
+  - reg
+  - cpvdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    codec_analog: codec-analog@1f015c0 {
+      compatible = "allwinner,sun50i-a64-codec-analog";
+      reg = <0x01f015c0 0x4>;
+      cpvdd-supply = <&reg_eldo1>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
deleted file mode 100644
index 056a098495cc..000000000000
--- a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-* Allwinner A64 Codec Analog Controls
-
-Required properties:
-- compatible: must be one of the following compatibles:
-		- "allwinner,sun50i-a64-codec-analog"
-- reg: must contain the registers location and length
-- cpvdd-supply: Regulator supply for the headphone amplifier
-
-Example:
-	codec_analog: codec-analog@1f015c0 {
-		compatible = "allwinner,sun50i-a64-codec-analog";
-		reg = <0x01f015c0 0x4>;
-		cpvdd-supply = <&reg_eldo1>;
-	};
-- 
2.20.1


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Applied "ASoC: dt-bindings: Convert Allwinner A33 codec to a schema" to the asoc tree

[Mark Brown]

The patch

   ASoC: dt-bindings: Convert Allwinner A33 codec to a schema

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From 8a99f76ac1a591f27f5216951bf8a8fdad58e987 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Wed, 28 Aug 2019 14:52:07 +0200
Subject: [PATCH] ASoC: dt-bindings: Convert Allwinner A33 codec to a schema

The Allwinner A33 SoC have an embedded audio codec that is supported in Linux,
with a matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/20190828125209.28173-3-mripard@kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 .../sound/allwinner,sun8i-a33-codec.yaml      | 57 +++++++++++++++++
 .../bindings/sound/sun8i-a33-codec.txt        | 63 -------------------
 2 files changed, 57 insertions(+), 63 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt

diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
new file mode 100644
index 000000000000..5e7cc05bbff1
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/allwinner,sun8i-a33-codec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A33 Codec Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  "#sound-dai-cells":
+    const: 0
+
+  compatible:
+    const: allwinner,sun8i-a33-codec
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+
+  clock-names:
+    items:
+      - const: bus
+      - const: mod
+
+required:
+  - "#sound-dai-cells"
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    audio-codec@1c22e00 {
+      #sound-dai-cells = <0>;
+      compatible = "allwinner,sun8i-a33-codec";
+      reg = <0x01c22e00 0x400>;
+      interrupts = <0 29 4>;
+      clocks = <&ccu 47>, <&ccu 92>;
+      clock-names = "bus", "mod";
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt b/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt
deleted file mode 100644
index 7ecf6bd60d27..000000000000
--- a/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt
+++ /dev/null
@@ -1,63 +0,0 @@
-Allwinner SUN8I audio codec
-------------------------------------
-
-On Sun8i-A33 SoCs, the audio is separated in different parts:
-	  - A DAI driver. It uses the "sun4i-i2s" driver which is
-	  documented here:
-	  Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml
-	  - An analog part of the codec which is handled as PRCM registers.
-	  See Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
-	  - An digital part of the codec which is documented in this current
-	  binding documentation.
-	  - And finally, an audio card which links all the above components.
-	  The simple-audio card will be used.
-	  See Documentation/devicetree/bindings/sound/simple-card.txt
-
-This bindings documentation exposes Sun8i codec (digital part).
-
-Required properties:
-- compatible: must be "allwinner,sun8i-a33-codec"
-- reg: must contain the registers location and length
-- interrupts: must contain the codec interrupt
-- clocks: a list of phandle + clock-specifer pairs, one for each entry
-  in clock-names.
-- clock-names: should contain followings:
-   - "bus": the parent APB clock for this controller
-   - "mod": the parent module clock
-
-Here is an example to add a sound card and the codec binding on sun8i SoCs that
-are similar to A33 using simple-card:
-
-	sound {
-		compatible = "simple-audio-card";
-		simple-audio-card,name = "sun8i-a33-audio";
-		simple-audio-card,format = "i2s";
-		simple-audio-card,frame-master = <&link_codec>;
-		simple-audio-card,bitclock-master = <&link_codec>;
-		simple-audio-card,mclk-fs = <512>;
-		simple-audio-card,aux-devs = <&codec_analog>;
-		simple-audio-card,routing =
-				"Left DAC", "Digital Left DAC",
-				"Right DAC", "Digital Right DAC";
-
-		simple-audio-card,cpu {
-			sound-dai = <&dai>;
-		};
-
-		link_codec: simple-audio-card,codec {
-			sound-dai = <&codec>;
-		};
-
-	soc@1c00000 {
-		[...]
-
-		audio-codec@1c22e00 {
-			#sound-dai-cells = <0>;
-			compatible = "allwinner,sun8i-a33-codec";
-			reg = <0x01c22e00 0x400>;
-			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>;
-			clock-names = "bus", "mod";
-		};
-	};
-
-- 
2.20.1


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