Re: [PATCH] ASoC: dt-bindings: tse850: Convert to DT schema

On 2026-08-13 01:33, Bhargav Joshi wrote:
> Convert Axentia TSE-850 audio complex from text to DT schema. No
> funcational changes.
> 
> Signed-off-by: Bhargav Joshi <[email protected]>
> ---
>  .../bindings/sound/axentia,tse850-pcm5142.txt      |  92 ------------------
>  .../bindings/sound/axentia,tse850-pcm5142.yaml     | 104 +++++++++++++++++++++
>  2 files changed, 104 insertions(+), 92 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
> deleted file mode 100644
> index b6cc5f6f78c2..000000000000
> --- a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt
> +++ /dev/null
> @@ -1,92 +0,0 @@
> -Devicetree bindings for the Axentia TSE-850 audio complex
> -
> -Required properties:
> -  - compatible: "axentia,tse850-pcm5142"
> -  - axentia,cpu-dai: The phandle of the cpu dai.
> -  - axentia,audio-codec: The phandle of the PCM5142 codec.
> -  - axentia,add-gpios: gpio specifier that controls the mixer.
> -  - axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1.
> -  - axentia,loop2-gpios: gpio specifier that controls loop relays on channel 2.
> -  - axentia,ana-supply: Regulator that supplies the output amplifier. Must
> -    support voltages in the 2V - 20V range, in 1V steps.
> -
> -The schematics explaining the gpios are as follows:
> -
> -               loop1 relays
> -   IN1 +---o  +------------+  o---+ OUT1
> -            \                /
> -             +              +
> -             |   /          |
> -             +--o  +--.     |
> -             |  add   |     |
> -             |        V     |
> -             |      .---.   |
> -   DAC +----------->|Sum|---+
> -             |      '---'   |
> -             |              |
> -             +              +
> -
> -   IN2 +---o--+------------+--o---+ OUT2
> -               loop2 relays
> -
> -The 'loop1' gpio pin controls two relays, which are either in loop position,
> -meaning that input and output are directly connected, or they are in mixer
> -position, meaning that the signal is passed through the 'Sum' mixer. Similarly
> -for 'loop2'.
> -
> -In the above, the 'loop1' relays are inactive, thus feeding IN1 to the mixer
> -(if 'add' is active) and feeding the mixer output to OUT1. The 'loop2' relays
> -are active, short-cutting the TSE-850 from channel 2. IN1, IN2, OUT1 and OUT2
> -are TSE-850 connectors and DAC is the PCB name of the (filtered) output from
> -the PCM5142 codec.
> -
> -Example:
> -
> -	&ssc0 {
> -		#sound-dai-cells = <0>;
> -
> -	};
> -
> -	&i2c {
> -		codec: pcm5142@4c {
> -			compatible = "ti,pcm5142";
> -
> -			reg = <0x4c>;
> -
> -			AVDD-supply = <&reg_3v3>;
> -			DVDD-supply = <&reg_3v3>;
> -			CPVDD-supply = <&reg_3v3>;
> -
> -			clocks = <&sck>;
> -
> -			pll-in = <3>;
> -			pll-out = <6>;
> -		};
> -	};
> -
> -	ana: ana-reg {
> -		compatible = "pwm-regulator";
> -
> -		regulator-name = "ANA";
> -
> -		pwms = <&pwm0 2 1000 PWM_POLARITY_INVERTED>;
> -		pwm-dutycycle-unit = <1000>;
> -		pwm-dutycycle-range = <100 1000>;
> -
> -		regulator-min-microvolt = <2000000>;
> -		regulator-max-microvolt = <20000000>;
> -		regulator-ramp-delay = <1000>;
> -	};
> -
> -	sound {
> -		compatible = "axentia,tse850-pcm5142";
> -
> -		axentia,cpu-dai = <&ssc0>;
> -		axentia,audio-codec = <&codec>;
> -
> -		axentia,add-gpios = <&pioA 8 GPIO_ACTIVE_LOW>;
> -		axentia,loop1-gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
> -		axentia,loop2-gpios = <&pioA 11 GPIO_ACTIVE_LOW>;
> -
> -		axentia,ana-supply = <&ana>;
> -	};
> diff --git a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.yaml b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.yaml
> new file mode 100644
> index 000000000000..0ab4b697d28e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.yaml
> @@ -0,0 +1,104 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

Where did BSD-2-Clause come from?

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/axentia,tse850-pcm5142.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Axentia TSE-850 audio complex
> +
> +maintainers:
> +  - Peter Rosin <[email protected]>

Bzzzt, this is no longer the case. This binding is orphaned (as is its
corresponding driver).

Cheers,
Peter