[PATCH v3 2/2] ARM: dts: socfpga: Add basic support for Terrasic's de10-nano

Krzysztof Kozlowski krzk at kernel.org
Mon Feb 3 09:39:09 PST 2025


On 03/02/2025 17:46, Uwe Kleine-König wrote:
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory at 0 {
> +		/* 1 GiB */
> +		device_type = "memory";
> +		reg = <0x0 0x40000000>;
> +	};
> +
> +	soc {
> +		fpga: bus at ff200000 {
> +			compatible = "simple-bus";
> +			reg = <0xff200000 0x00200000>;


Are you sure simple-bus allows this? IOW, no warnings from simple-bus
schema? To my knowledge, simple-bus allows only objects, except the few
allowed properties (and reg is not allowed because it is bus, not a device).

Nice coincidence with other patchset from Intel also claiming FPGA with
resources is the bus, although there it could be root port.

Best regards,
Krzysztof



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