linux-kernel - Re: [PATCH v10 3/5] dt-bindings: clock: meson: add A1 PLL and Peripherals clkcs bindings

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Date:   Fri, 17 Mar 2023 13:53:17 -0500
From:   Rob Herring <robh@...nel.org>
To:     Dmitry Rokosov <ddrokosov@...rdevices.ru>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        neil.armstrong@...aro.org, jbrunet@...libre.com,
        mturquette@...libre.com, sboyd@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, khilman@...libre.com,
        martin.blumenstingl@...glemail.com, jian.hu@...ogic.com,
        kernel@...rdevices.ru, rockosov@...il.com,
        linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v10 3/5] dt-bindings: clock: meson: add A1 PLL and
 Peripherals clkcs bindings

On Tue, Mar 14, 2023 at 02:48:25PM +0300, Dmitry Rokosov wrote:
> On Tue, Mar 14, 2023 at 12:28:40PM +0100, Krzysztof Kozlowski wrote:
> > On 13/03/2023 21:12, Dmitry Rokosov wrote:
> 
> [...]
> 
> > > +#define CLKID_SPIFC		84
> > > +#define CLKID_USB_BUS		85
> > > +#define CLKID_SD_EMMC		86
> > > +#define CLKID_PSRAM		87
> > > +#define CLKID_DMC		88
> > 
> > And what is here? Between 88 and 121?
> > 
> 
> Explained below.
> 
> > > +#define CLKID_GEN_SEL		121
> > > +
> > > +#endif /* __A1_CLKC_H */
> > > diff --git a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
> > > new file mode 100644
> > > index 000000000000..8e97d3fb9d30
> > > --- /dev/null
> > > +++ b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
> > > @@ -0,0 +1,20 @@
> > > +/* SPDX-License-Identifier: GPL-2.0+ */
> > 
> > I found in changelog:
> > "fix license issue, it's GPL-2.0+ only in the current version"
> > and I do not understand.
> > 
> > The license is wrong, so what did you fix?
> > 
> 
> Sorry don't get you. Why is it wrong?
> I've changed all new source files to GPL-2.0+ except yaml, because yaml
> dt bindings schemas require the following license:

Why 2.0+? The kernel's default license is 2.0-only. Are you (and 
your lawyer) okay with GPL v4?

But this is still part of the DT binding and has the same license 
preference:
 
>     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

However, the header licenses are complicated due to .dts licenses which 
are all over the place. The requirement is dual licensed and matching 
what includes it.

Rob