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Message-ID: <d792a2b8-3b59-f04e-c24d-06185d60c734@st.com>
Date: Wed, 11 Mar 2020 15:37:01 +0000
From: Olivier MOYSAN <olivier.moysan@...com>
To: "lgirdwood@...il.com" <lgirdwood@...il.com>,
"broonie@...nel.org" <broonie@...nel.org>,
"perex@...ex.cz" <perex@...ex.cz>,
"tiwai@...e.com" <tiwai@...e.com>,
"mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
Alexandre TORGUE <alexandre.torgue@...com>,
"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
"robh@...nel.org" <robh@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-stm32@...md-mailman.stormreply.com"
<linux-stm32@...md-mailman.stormreply.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] ASoC: dt-bindings: stm32: convert spdfirx to
json-schema
Hi,
Kind reminder for this patch.
Thanks
Olivier
On 1/17/20 6:03 PM, Olivier Moysan wrote:
> Convert the STM32 SPDIFRX bindings to DT schema format using json-schema.
>
> Signed-off-by: Olivier Moysan <olivier.moysan@...com>
> ---
> Changes in v2:
> - Add "additionalProperties: false"
> - Also change minItems to 2 for dmas property, as both DMAs are required.
>
> Changes in v3:
> - Drop minItems/maxItems for dmas property, remove ref to stm32-dma.txt.
> ---
> .../bindings/sound/st,stm32-spdifrx.txt | 56 -------------
> .../bindings/sound/st,stm32-spdifrx.yaml | 80 +++++++++++++++++++
> 2 files changed, 80 insertions(+), 56 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/sound/st,stm32-spdifrx.txt
> create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.txt b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.txt
> deleted file mode 100644
> index 33826f2459fa..000000000000
> --- a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.txt
> +++ /dev/null
> @@ -1,56 +0,0 @@
> -STMicroelectronics STM32 S/PDIF receiver (SPDIFRX).
> -
> -The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
> -IEC-60958 and IEC-61937.
> -
> -Required properties:
> - - compatible: should be "st,stm32h7-spdifrx"
> - - reg: cpu DAI IP base address and size
> - - clocks: must contain an entry for kclk (used as S/PDIF signal reference)
> - - clock-names: must contain "kclk"
> - - interrupts: cpu DAI interrupt line
> - - dmas: DMA specifiers for audio data DMA and iec control flow DMA
> - See STM32 DMA bindings, Documentation/devicetree/bindings/dma/stm32-dma.txt
> - - dma-names: two dmas have to be defined, "rx" and "rx-ctrl"
> -
> -Optional properties:
> - - resets: Reference to a reset controller asserting the SPDIFRX
> -
> -The device node should contain one 'port' child node with one child 'endpoint'
> -node, according to the bindings defined in Documentation/devicetree/bindings/
> -graph.txt.
> -
> -Example:
> -spdifrx: spdifrx@...04000 {
> - compatible = "st,stm32h7-spdifrx";
> - reg = <0x40004000 0x400>;
> - clocks = <&rcc SPDIFRX_CK>;
> - clock-names = "kclk";
> - interrupts = <97>;
> - dmas = <&dmamux1 2 93 0x400 0x0>,
> - <&dmamux1 3 94 0x400 0x0>;
> - dma-names = "rx", "rx-ctrl";
> - pinctrl-0 = <&spdifrx_pins>;
> - pinctrl-names = "default";
> -
> - spdifrx_port: port {
> - cpu_endpoint: endpoint {
> - remote-endpoint = <&codec_endpoint>;
> - };
> - };
> -};
> -
> -spdif_in: spdif-in {
> - compatible = "linux,spdif-dir";
> -
> - codec_port: port {
> - codec_endpoint: endpoint {
> - remote-endpoint = <&cpu_endpoint>;
> - };
> - };
> -};
> -
> -soundcard {
> - compatible = "audio-graph-card";
> - dais = <&spdifrx_port>;
> -};
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
> new file mode 100644
> index 000000000000..b7f7dc452231
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
> +
> +maintainers:
> + - Olivier Moysan <olivier.moysan@...com>
> +
> +description: |
> + The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
> + IEC-60958 and IEC-61937.
> +
> +properties:
> + compatible:
> + enum:
> + - st,stm32h7-spdifrx
> +
> + "#sound-dai-cells":
> + const: 0
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + items:
> + - const: kclk
> +
> + interrupts:
> + maxItems: 1
> +
> + dmas:
> + items:
> + - description: audio data capture DMA
> + - description: IEC status bits capture DMA
> +
> + dma-names:
> + items:
> + - const: rx
> + - const: rx-ctrl
> +
> + resets:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - "#sound-dai-cells"
> + - reg
> + - clocks
> + - clock-names
> + - interrupts
> + - dmas
> + - dma-names
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/stm32mp1-clks.h>
> + spdifrx: spdifrx@...04000 {
> + compatible = "st,stm32h7-spdifrx";
> + #sound-dai-cells = <0>;
> + reg = <0x40004000 0x400>;
> + clocks = <&rcc SPDIF_K>;
> + clock-names = "kclk";
> + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
> + dmas = <&dmamux1 2 93 0x400 0x0>,
> + <&dmamux1 3 94 0x400 0x0>;
> + dma-names = "rx", "rx-ctrl";
> + pinctrl-0 = <&spdifrx_pins>;
> + pinctrl-names = "default";
> + };
> +
> +...
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