linux-kernel - RE: [PATCH v15 04/10] dt-bindings: clock: Add bindings for SP7021 clock driver

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Message-ID: <79e5886ab80840d6b4b6bc48be01d29e@cqplus1.com>
Date:   Tue, 17 May 2022 09:37:37 +0000
From:   qinjian[覃健] <qinjian@...lus1.com>
To:     Stephen Boyd <sboyd@...nel.org>
CC:     "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "maz@...nel.org" <maz@...nel.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>
Subject: RE: [PATCH v15 04/10] dt-bindings: clock: Add bindings for SP7021
 clock driver

> > +    clkc: clock-controller@...00000 {
> > +      compatible = "sunplus,sp7021-clkc";
> > +      reg = <0x9c000000 0x280>;
> 
> The question is what other device compatible is in here? The reset
> controller?
> 

This reg region conflict with reset/pinmux/usbc/uphy drivers.
To use devm_platform_ioremap_resource,
I must split up the origin 1 region into 4 small pieces,
and call devm_platform_ioremap_resource() 4 times.
Did I should follow this way?