linux-kernel - Re: [PATCH v14 5/7] dt-bindings: pwm: thead: Add T-HEAD TH1520 PWM controller

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Message-ID: <aKY7IzAg0IX4UfWW@archiso>
Date: Wed, 20 Aug 2025 21:16:19 +0000
From: Elle Rhumsaa <elle@...thered-steel.dev>
To: Michal Wilczynski <m.wilczynski@...sung.com>
Cc: Uwe Kleine-König <ukleinek@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>, Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Benno Lossin <lossin@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Drew Fustini <fustini@...nel.org>,
	Daniel Almeida <daniel.almeida@...labora.com>,
	linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
	rust-for-linux@...r.kernel.org, linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v14 5/7] dt-bindings: pwm: thead: Add T-HEAD TH1520 PWM
 controller

On Wed, Aug 20, 2025 at 10:35:40AM +0200, Michal Wilczynski wrote:
> Add the Device Tree binding documentation for the T-HEAD
> TH1520 SoC PWM controller.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Tested-by: Drew Fustini <fustini@...nel.org>
> Signed-off-by: Michal Wilczynski <m.wilczynski@...sung.com>
> ---
>  .../devicetree/bindings/pwm/thead,th1520-pwm.yaml  | 48 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  2 files changed, 49 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml b/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..855aec59ac53c430adc849271235686e87b10e6c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/thead,th1520-pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: T-HEAD TH1520 PWM controller
> +
> +maintainers:
> +  - Michal Wilczynski <m.wilczynski@...sung.com>
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    const: thead,th1520-pwm
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: SoC PWM clock
> +
> +  "#pwm-cells":
> +    const: 3
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/thead,th1520-clk-ap.h>
> +    soc {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +      pwm@...c01c000 {
> +          compatible = "thead,th1520-pwm";
> +          reg = <0xff 0xec01c000 0x0 0x4000>;
> +          clocks = <&clk CLK_PWM>;
> +          #pwm-cells = <3>;
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d79dc21f22d143ca8cde6a06194545fbc640e695..a64027f441e8e23c579b469b2451b514e5d2802c 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -21732,6 +21732,7 @@ F:	Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml
>  F:	Documentation/devicetree/bindings/mailbox/thead,th1520-mbox.yaml
>  F:	Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
>  F:	Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml
> +F:	Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
>  F:	Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
>  F:	arch/riscv/boot/dts/thead/
>  F:	drivers/clk/thead/clk-th1520-ap.c
> 
> -- 
> 2.34.1

Reviewed-by: Elle Rhumsaa <elle@...thered-steel.dev>