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@linaro.org>
> Tested-by: Drew Fustini <fustini@kernel.org>
> Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.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@samsung.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@ffec01c000 {
> + 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@weathered-steel.dev>