Re: [PATCH] dt-bindings: fpga: Convert lattice,ice40-fpga-mgr to DT schema
From: Krzysztof Kozlowski
Date: Sun Nov 02 2025 - 11:36:19 EST
On Wed, Oct 29, 2025 at 01:55:01PM -0500, Rob Herring (Arm) wrote:
> +
> +title: Lattice iCE40 FPGA Manager
> +
> +maintainers:
> + - Joel Holdsworth <joel@xxxxxxxxxxxxxxxxxxx>
> +
You miss spi-peripheral-props
> +properties:
> + compatible:
> + const: lattice,ice40-fpga-mgr
> +
> + reg:
> + maxItems: 1
> +
> + spi-max-frequency:
> + minimum: 1000000
> + maximum: 25000000
> +
> + cdone-gpios:
> + maxItems: 1
> + description: GPIO input connected to CDONE pin
> +
> + reset-gpios:
> + maxItems: 1
> + description:
> + Active-low GPIO output connected to CRESET_B pin. Note that unless the
> + GPIO is held low during startup, the FPGA will enter Master SPI mode and
> + drive SCK with a clock signal potentially jamming other devices on the bus
> + until the firmware is loaded.
> +
> +required:
> + - compatible
> + - reg
> + - spi-max-frequency
> + - cdone-gpios
> + - reset-gpios
> +
> +additionalProperties: false
... and here unevaluatedProperties.
Best regards,
Krzysztof