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Date: Mon, 27 Jun 2022 17:22:40 -0600
From: Rob Herring <robh@...nel.org>
To: Conor Dooley <mail@...chuod.ie>
Cc: David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Thierry Reding <thierry.reding@...il.com>,
Sam Ravnborg <sam@...nborg.org>,
Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
Vinod Koul <vkoul@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Serge Semin <fancer.lancer@...il.com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Palmer Dabbelt <palmer@...belt.com>,
Palmer Dabbelt <palmer@...osinc.com>,
Thomas Gleixner <tglx@...utronix.de>,
Paul Walmsley <paul.walmsley@...ive.com>,
Albert Ou <aou@...s.berkeley.edu>,
Conor Dooley <conor.dooley@...rochip.com>,
Masahiro Yamada <masahiroy@...nel.org>,
Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Niklas Cassel <niklas.cassel@....com>,
Dillon Min <dillon.minfei@...il.com>,
Heng Sia <jee.heng.sia@...el.com>,
Jose Abreu <joabreu@...opsys.com>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
alsa-devel@...a-project.org, linux-spi@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 03/14] ASoC: dt-bindings: convert designware-i2s to
dt-schema
On Sat, Jun 18, 2022 at 01:30:25PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
>
> Convert the Synopsys DesignWare I2S controller binding to dt-schema.
> There was no listed maintainer but Jose Abreu was the last editor of the
> txt binding so add him as maintainer.
>
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
> .../bindings/sound/designware-i2s.txt | 35 -------
> .../bindings/sound/snps,designware-i2s.yaml | 93 +++++++++++++++++++
> 2 files changed, 93 insertions(+), 35 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/sound/designware-i2s.txt
> create mode 100644 Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/designware-i2s.txt b/Documentation/devicetree/bindings/sound/designware-i2s.txt
> deleted file mode 100644
> index 6a536d570e29..000000000000
> --- a/Documentation/devicetree/bindings/sound/designware-i2s.txt
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -DesignWare I2S controller
> -
> -Required properties:
> - - compatible : Must be "snps,designware-i2s"
> - - reg : Must contain the I2S core's registers location and length
> - - clocks : Pairs of phandle and specifier referencing the controller's
> - clocks. The controller expects one clock: the clock used as the sampling
> - rate reference clock sample.
> - - clock-names : "i2sclk" for the sample rate reference clock.
> - - dmas: Pairs of phandle and specifier for the DMA channels that are used by
> - the core. The core expects one or two dma channels: one for transmit and
> - one for receive.
> - - dma-names : "tx" for the transmit channel, "rx" for the receive channel.
> -
> -Optional properties:
> - - interrupts: The interrupt line number for the I2S controller. Add this
> - parameter if the I2S controller that you are using does not support DMA.
> -
> -For more details on the 'dma', 'dma-names', 'clock' and 'clock-names'
> -properties please check:
> - * resource-names.txt
> - * clock/clock-bindings.txt
> - * dma/dma.txt
> -
> -Example:
> -
> - soc_i2s: i2s@...90000 {
> - compatible = "snps,designware-i2s";
> - reg = <0x0 0x7ff90000 0x0 0x1000>;
> - clocks = <&scpi_i2sclk 0>;
> - clock-names = "i2sclk";
> - #sound-dai-cells = <0>;
> - dmas = <&dma0 5>;
> - dma-names = "tx";
> - };
> diff --git a/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml b/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml
> new file mode 100644
> index 000000000000..5ac9c00157bf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/snps,designware-i2s.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: DesignWare I2S controller
> +
> +maintainers:
> + - Jose Abreu <joabreu@...opsys.com>
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - const: canaan,k210-i2s
> + - const: snps,designware-i2s
> + - enum:
> + - snps,designware-i2s
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + description: |
> + The interrupt line number for the I2S controller. Add this
> + parameter if the I2S controller that you are using does not
> + support DMA.
> + maxItems: 1
> +
> + clocks:
> + description: Sampling rate reference clock
How many?
> +
> + clock-names:
> + const: i2sclk
> +
> + resets:
> + maxItems: 1
> +
> + dmas:
> + items:
> + - description: TX DMA Channel
> + - description: RX DMA Channel
> + minItems: 1
> +
> + dma-names:
> + items:
> + - const: tx
> + - const: rx
> + minItems: 1
> +
> +if:
> + properties:
> + compatible:
> + contains:
> + const: canaan,k210-i2s
> +
> +then:
> + properties:
> + "#sound-dai-cells":
> + const: 1
> +
> +else:
> + properties:
> + "#sound-dai-cells":
> + const: 0
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> +
> +oneOf:
> + - required:
> + - dmas
> + - dma-names
> + - required:
> + - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + soc_i2s: i2s@...90000 {
> + compatible = "snps,designware-i2s";
> + reg = <0x7ff90000 0x1000>;
> + clocks = <&scpi_i2sclk 0>;
> + clock-names = "i2sclk";
> + #sound-dai-cells = <0>;
> + dmas = <&dma0 5>;
> + dma-names = "tx";
> + };
> --
> 2.36.1
>
>
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