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Date: Tue, 18 Aug 2020 09:06:11 +0800
From: Anson Huang <Anson.Huang@....com>
To: lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
shengjiu.wang@....com, alsa-devel@...a-project.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH V2] dt-bindings: sound: Convert NXP spdif to json-schema
Convert the NXP SPDIF binding to DT schema format using json-schema.
Signed-off-by: Anson Huang <Anson.Huang@....com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
changes since V1:
- add "additionalProperties: false".
---
.../devicetree/bindings/sound/fsl,spdif.txt | 68 -------------
.../devicetree/bindings/sound/fsl,spdif.yaml | 110 +++++++++++++++++++++
2 files changed, 110 insertions(+), 68 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/fsl,spdif.txt
create mode 100644 Documentation/devicetree/bindings/sound/fsl,spdif.yaml
diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.txt b/Documentation/devicetree/bindings/sound/fsl,spdif.txt
deleted file mode 100644
index e1365b0..0000000
--- a/Documentation/devicetree/bindings/sound/fsl,spdif.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-Freescale Sony/Philips Digital Interface Format (S/PDIF) Controller
-
-The Freescale S/PDIF audio block is a stereo transceiver that allows the
-processor to receive and transmit digital audio via an coaxial cable or
-a fibre cable.
-
-Required properties:
-
- - compatible : Compatible list, should contain one of the following
- compatibles:
- "fsl,imx35-spdif",
- "fsl,vf610-spdif",
- "fsl,imx6sx-spdif",
-
- - reg : Offset and length of the register set for the device.
-
- - interrupts : Contains the spdif interrupt.
-
- - dmas : Generic dma devicetree binding as described in
- Documentation/devicetree/bindings/dma/dma.txt.
-
- - dma-names : Two dmas have to be defined, "tx" and "rx".
-
- - clocks : Contains an entry for each entry in clock-names.
-
- - clock-names : Includes the following entries:
- "core" The core clock of spdif controller.
- "rxtx<0-7>" Clock source list for tx and rx clock.
- This clock list should be identical to the source
- list connecting to the spdif clock mux in "SPDIF
- Transceiver Clock Diagram" of SoC reference manual.
- It can also be referred to TxClk_Source bit of
- register SPDIF_STC.
- "spba" The spba clock is required when SPDIF is placed as a
- bus slave of the Shared Peripheral Bus and when two
- or more bus masters (CPU, DMA or DSP) try to access
- it. This property is optional depending on the SoC
- design.
-
-Optional properties:
-
- - big-endian : If this property is absent, the native endian mode
- will be in use as default, or the big endian mode
- will be in use for all the device registers.
-
-Example:
-
-spdif: spdif@...4000 {
- compatible = "fsl,imx35-spdif";
- reg = <0x02004000 0x4000>;
- interrupts = <0 52 0x04>;
- dmas = <&sdma 14 18 0>,
- <&sdma 15 18 0>;
- dma-names = "rx", "tx";
-
- clocks = <&clks 197>, <&clks 3>,
- <&clks 197>, <&clks 107>,
- <&clks 0>, <&clks 118>,
- <&clks 62>, <&clks 139>,
- <&clks 0>;
- clock-names = "core", "rxtx0",
- "rxtx1", "rxtx2",
- "rxtx3", "rxtx4",
- "rxtx5", "rxtx6",
- "rxtx7";
-
- big-endian;
-};
diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
new file mode 100644
index 0000000..2ac671f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
@@ -0,0 +1,110 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/fsl,spdif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Sony/Philips Digital Interface Format (S/PDIF) Controller
+
+maintainers:
+ - Shengjiu Wang <shengjiu.wang@....com>
+
+description: |
+ The Freescale S/PDIF audio block is a stereo transceiver that allows the
+ processor to receive and transmit digital audio via an coaxial cable or
+ a fibre cable.
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx35-spdif
+ - fsl,vf610-spdif
+ - fsl,imx6sx-spdif
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ dmas:
+ items:
+ - description: DMA controller phandle and request line for RX
+ - description: DMA controller phandle and request line for TX
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+ clocks:
+ items:
+ - description: The core clock of spdif controller.
+ - description: Clock for tx0 and rx0.
+ - description: Clock for tx1 and rx1.
+ - description: Clock for tx2 and rx2.
+ - description: Clock for tx3 and rx3.
+ - description: Clock for tx4 and rx4.
+ - description: Clock for tx5 and rx5.
+ - description: Clock for tx6 and rx6.
+ - description: Clock for tx7 and rx7.
+ - description: The spba clock is required when SPDIF is placed as a bus
+ slave of the Shared Peripheral Bus and when two or more bus masters
+ (CPU, DMA or DSP) try to access it. This property is optional depending
+ on the SoC design.
+ minItems: 9
+
+ clock-names:
+ items:
+ - const: core
+ - const: rxtx0
+ - const: rxtx1
+ - const: rxtx2
+ - const: rxtx3
+ - const: rxtx4
+ - const: rxtx5
+ - const: rxtx6
+ - const: rxtx7
+ - const: spba
+ minItems: 9
+
+ big-endian:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: |
+ If this property is absent, the native endian mode will be in use
+ as default, or the big endian mode will be in use for all the device
+ registers. Set this flag for HCDs with big endian descriptors and big
+ endian registers.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - dmas
+ - dma-names
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ spdif@...4000 {
+ compatible = "fsl,imx35-spdif";
+ reg = <0x02004000 0x4000>;
+ interrupts = <0 52 0x04>;
+ dmas = <&sdma 14 18 0>,
+ <&sdma 15 18 0>;
+ dma-names = "rx", "tx";
+ clocks = <&clks 197>, <&clks 3>,
+ <&clks 197>, <&clks 107>,
+ <&clks 0>, <&clks 118>,
+ <&clks 62>, <&clks 139>,
+ <&clks 0>;
+ clock-names = "core", "rxtx0",
+ "rxtx1", "rxtx2",
+ "rxtx3", "rxtx4",
+ "rxtx5", "rxtx6",
+ "rxtx7";
+ big-endian;
+ };
--
2.7.4
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