linux-kernel - Re: [PATCH 1/2 v4] dt-bindings: pwm: Add AXI PWM generator

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Date: Thu, 11 Apr 2024 12:42:43 +0200
From: Nuno Sá <noname.nuno@...il.com>
To: Trevor Gamblin <tgamblin@...libre.com>, linux-pwm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, u.kleine-koenig@...gutronix.de, 
 michael.hennerich@...log.com, nuno.sa@...log.com,
 devicetree@...r.kernel.org,  robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, 
 dlechner@...libre.com, Drew Fustini <dfustini@...libre.com>, Krzysztof
 Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH 1/2 v4] dt-bindings: pwm: Add AXI PWM generator

On Fri, 2024-03-01 at 12:33 -0500, Trevor Gamblin wrote:
> From: Drew Fustini <dfustini@...libre.com>
> 
> Add Analog Devices AXI PWM generator.
> 
> Link: https://wiki.analog.com/resources/fpga/docs/axi_pwm_gen
> Signed-off-by: Drew Fustini <dfustini@...libre.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Co-developed-by: Trevor Gamblin <tgamblin@...libre.com>
> Signed-off-by: Trevor Gamblin <tgamblin@...libre.com>
> ---

Acked-by: Nuno Sa <nuno.sa@...log.com>

> v4 changes: None (rebased, added maintainer's previous Reviewed-by)
> v3 changes: None (rebased, added maintainer's previous Reviewed-by)
> 
> v2 changes:
> * Address feedback for driver and device tree in v1:
>   * Relocate "unevaluatedProperties" in device tree binding
>   * Remove redundant "bindings for" in description
> 
> ---
>  .../bindings/pwm/adi,axi-pwmgen.yaml          | 48 +++++++++++++++++++
>  MAINTAINERS                                   |  8 ++++
>  2 files changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml
> b/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml
> new file mode 100644
> index 000000000000..63461920a362
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/adi,axi-pwmgen.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AXI PWM generator
> +
> +maintainers:
> +  - Michael Hennerich <Michael.Hennerich@...log.com>
> +  - Nuno Sá <nuno.sa@...log.com>
> +
> +description:
> +  The Analog Devices AXI PWM generator can generate PWM signals
> +  with variable pulse width and period.
> +
> +  https://wiki.analog.com/resources/fpga/docs/axi_pwm_gen
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    const: adi,axi-pwmgen-1.00.a
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#pwm-cells":
> +    const: 2
> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    pwm@...00000 {
> +       compatible = "adi,axi-pwmgen-1.00a";
> +       reg = <0x44b00000 0x1000>;
> +       clocks = <&spi_clk>;
> +       #pwm-cells = <2>;
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 8d1052fa6a69..8a4ed5545680 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3431,6 +3431,14 @@ W:	https://ez.analog.com/linux-software-drivers
>  F:	Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml
>  F:	drivers/spi/spi-axi-spi-engine.c
>  
> +AXI PWM GENERATOR
> +M:	Michael Hennerich <michael.hennerich@...log.com>
> +M:	Nuno Sá <nuno.sa@...log.com>
> +L:	linux-pwm@...r.kernel.org
> +S:	Supported
> +W:	https://ez.analog.com/linux-software-drivers
> +F:	Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml
> +
>  AXXIA I2C CONTROLLER
>  M:	Krzysztof Adamski <krzysztof.adamski@...ia.com>
>  L:	linux-i2c@...r.kernel.org