[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20250219143922.GA2527138-robh@kernel.org>
Date: Wed, 19 Feb 2025 08:39:22 -0600
From: Rob Herring <robh@...nel.org>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Woojung Huh <woojung.huh@...rochip.com>,
Andrew Lunn <andrew+netdev@...n.ch>, kernel@...gutronix.de,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH v2 1/3] dt-bindings: sound: convert ICS-43432 binding to
YAML
On Mon, Feb 10, 2025 at 11:47:46AM +0100, Oleksij Rempel wrote:
> Convert the ICS-43432 MEMS microphone device tree binding from text format
> to YAML.
>
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---
> changes v2:
> - use "enum" instead "oneOf + const"
> ---
> .../devicetree/bindings/sound/ics43432.txt | 19 -------
> .../bindings/sound/invensense,ics43432.yaml | 51 +++++++++++++++++++
> 2 files changed, 51 insertions(+), 19 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/sound/ics43432.txt
> create mode 100644 Documentation/devicetree/bindings/sound/invensense,ics43432.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/ics43432.txt b/Documentation/devicetree/bindings/sound/ics43432.txt
> deleted file mode 100644
> index e6f05f2f6c4e..000000000000
> --- a/Documentation/devicetree/bindings/sound/ics43432.txt
> +++ /dev/null
> @@ -1,19 +0,0 @@
> -Invensense ICS-43432-compatible MEMS microphone with I2S output.
> -
> -There are no software configuration options for this device, indeed, the only
> -host connection is the I2S interface. Apart from requirements on clock
> -frequency (460 kHz to 3.379 MHz according to the data sheet) there must be
> -64 clock cycles in each stereo output frame; 24 of the 32 available bits
> -contain audio data. A hardware pin determines if the device outputs data
> -on the left or right channel of the I2S frame.
> -
> -Required properties:
> - - compatible: should be one of the following.
> - "invensense,ics43432": For the Invensense ICS43432
> - "cui,cmm-4030d-261": For the CUI CMM-4030D-261-I2S-TR
> -
> -Example:
> -
> - ics43432: ics43432 {
> - compatible = "invensense,ics43432";
> - };
> diff --git a/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml b/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml
> new file mode 100644
> index 000000000000..79ed8c8e8790
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/invensense,ics43432.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/invensense,ics43432.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Invensense ICS-43432-compatible MEMS Microphone with I2S Output
> +
> +maintainers:
> + - N/A
If no one cares about this device, then we should just remove the
binding and driver.
> +
> +description: |
Don't need '|' if no formatting to preserve.
> + The ICS-43432 and compatible MEMS microphones output audio over an I2S
> + interface and require no software configuration. The only host connection
> + is the I2S bus. The microphone requires an I2S clock frequency between
> + 460 kHz and 3.379 MHz and 64 clock cycles per stereo frame. Each frame
> + contains 32-bit slots per channel, with 24 bits carrying audio data.
> + A hardware pin determines whether the microphone outputs audio on the
> + left or right channel of the I2S frame.
> +
> +allOf:
> + - $ref: dai-common.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - invensense,ics43432
> + - cui,cmm-4030d-261
> +
> + port:
> + $ref: audio-graph-port.yaml#
> + unevaluatedProperties: false
> +
> +required:
> + - compatible
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + ics43432: ics43432 {
> + compatible = "invensense,ics43432";
> +
> + port {
> + endpoint {
> + remote-endpoint = <&i2s1_endpoint>;
> + dai-format = "i2s";
> + };
> + };
> +
> + };
> --
> 2.39.5
>
Powered by blists - more mailing lists