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Message-ID: <fa0ae368-7383-4d50-b924-67f10af75ffd@linaro.org>
Date: Wed, 13 Mar 2024 08:25:47 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Xu Yang <xu.yang_2@....com>, Rob Herring <robh@...nel.org>
Cc: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"conor+dt@...nel.org" <conor+dt@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>, dl-linux-imx <linux-imx@....com>,
"peter.chen@...nel.org" <peter.chen@...nel.org>, Jun Li <jun.li@....com>,
"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [EXT] Re: [PATCH v8 05/10] dt-bindings: usb: ci-hdrc-usb2-imx:
add restrictions for reg, interrupts, clock and clock-names properties
On 13/03/2024 03:48, Xu Yang wrote:
>>> +
>>> + # imx7d Soc need one clock
>>> + - if:
>>> + properties:
>>> + compatible:
>>> + items:
>>> + - const: fsl,imx7d-usb
>>> + - const: fsl,imx27-usb
>>> + then:
>>> + properties:
>>> + clocks:
>>> + maxItems: 1
>>> + clock-names:
>>> + maxItems: 1
>>
>> What's the name?
>
> Can I not specify the name since the macro definition for USB
But you must specify name or disallow names (: false).
> controller clock in clock.h is recognizable and the driver doesn't
header has nothing to do with it
> get this clock by name rather index?
Driver does not have to take clocks by names, it does not really matter
to such discussion. If you provide clock-names, then the name should be
defined/fixed.
Best regards,
Krzysztof
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