linux-kernel - Re: [PATCH v2 6/7] ARM: dts: r9a06g032: Add the USBF controller node

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Date:   Tue, 15 Nov 2022 15:58:59 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Herve Codina <herve.codina@...tlin.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Gareth Williams <gareth.williams.jx@...esas.com>,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: [PATCH v2 6/7] ARM: dts: r9a06g032: Add the USBF controller node

On 15/11/2022 15:11, Geert Uytterhoeven wrote:
>>> +             udc: usb@...1e000 {
>>> +                     compatible = "renesas,r9a06g032-usbf", "renesas,rzn1-usbf";
>>> +                     reg = <0x4001e000 0x2000>;
>>> +                     interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
>>> +                                  <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
>>> +                     clocks = <&sysctrl R9A06G032_HCLK_USBF>,
>>> +                              <&sysctrl R9A06G032_HCLK_USBPM>;
>>> +                     clock-names = "hclkf", "hclkpm";
>>> +                     power-domains = <&sysctrl>;
>>> +                     status = "disabled";
>>
>> If you provided all resources (clocks, power domains etc), why disabling it?
> 
> Doesn't this depend on wiring on the board, and providing pin control
> in the board DTS?
> 

Yes, that could be the reason, so if this was the intention, it's fine.

Best regards,
Krzysztof