linux-kernel - Re: [PATCH 4/4] dt-bindings: mmc: convert sdhci-dove to JSON schema

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Date:   Fri, 15 Apr 2022 01:33:04 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     ulf.hansson@...aro.org, robh+dt@...nel.org, krzk+dt@...nel.org,
        gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/4] dt-bindings: mmc: convert sdhci-dove to JSON schema

Hi Chris

> +required:
> +  - compatible
> +  - reg
> +  - interrupts

https://elixir.bootlin.com/linux/latest/source/drivers/mmc/host/sdhci-dove.c#L78

https://elixir.bootlin.com/linux/latest/source/arch/arm/boot/dts/dove.dtsi#L344

Dove does actually have a clock. It looks like it is optional in the
driver, but the .dtsi file has it. It is not documented in the current
.txt file, so i can understand you missing it.

I'm surprised the DT tools didn't complain about an unexpected
property.

	Andrew