linux-kernel - Re: [PATCH v2] riscv: dts: sophgo: add watchdog dt node for CV1800

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Date: Mon, 29 Jan 2024 15:55:20 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Conor Dooley <conor@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Inochi Amaoto <inochiama@...look.com>,
	AnnanLiu <annan.liu.xdu@...look.com>,
	chao.wei@...hgo.com,
	unicorn_wang@...look.com,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] riscv: dts: sophgo: add watchdog dt node for CV1800

>On Thu, Jan 25, 2024 at 01:39:51PM +0100, Krzysztof Kozlowski wrote:
>> On 25/01/2024 10:46, AnnanLiu wrote:
>> > +
>> > +		pclk: pclk {
>> > +			#clock-cells = <0>;
>> > +			compatible = "fixed-clock";
>> > +			clock-frequency = <25000000>;
>>
>> It does not look like you tested the DTS against bindings. Please run
>> `make dtbs_check W=1` (see
>> Documentation/devicetree/bindings/writing-schema.rst or
>> https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
>> for instructions).
>>
>
>> Also, why do you describe internal clock as stub?
>
>Under the --- line it says the patch depends on the clock series, but
>as you pointed out the clock is a "fake" stub, so I don't understand
>what the dependency would be.

This clock should not exist. The watchdog may depend on the clock from
clock controller.