linux-kernel - Re: [PATCH v1 27/30] RISC-V: Add initial StarFive JH7110 device tree

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Date:   Fri, 14 Oct 2022 17:41:15 +0800
From:   Hal Feng <hal.feng@...ux.starfivetech.com>
To:     Conor Dooley <conor@...nel.org>
Cc:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 27/30] RISC-V: Add initial StarFive JH7110 device tree

On Sat, 1 Oct 2022 11:52:00 +0100, Conor Dooley wrote:
> On Fri, Sep 30, 2022 at 03:49:14PM +0800, Hal Feng wrote:
> > From: Emil Renner Berthing <kernel@...il.dk>
> > 
> > Add initial device tree for the JH7110 RISC-V SoC by
> > StarFive Technology Ltd.
> > 
> > Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
> > Signed-off-by: Jianlong Huang <jianlong.huang@...rfivetech.com>
> > Signed-off-by: Hal Feng <hal.feng@...ux.starfivetech.com>
> 
> There's little point reviewing this dt since there's a load of issues
> that you can trivially find by running dtbs_check/dt_binding_check, but
> this SoB change is wrong - if Emil wrote the patch, then Jianlong's SoB
> is either redundant or should be accompanied by a Co-developed-by tag.
> 
> Ditto for patch 28/30 "RISC-V: Add StarFive JH7110 VisionFive2 board
> device tree".

Will add Co-developed-by tag for Jianlong. Thanks.

> 
> > ---
> >  arch/riscv/boot/dts/starfive/jh7110.dtsi | 449 +++++++++++++++++++++++
> >  1 file changed, 449 insertions(+)
> >  create mode 100644 arch/riscv/boot/dts/starfive/jh7110.dtsi
> > 
> > diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > new file mode 100644
> > index 000000000000..46f418d4198a
> > --- /dev/null
> > +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> 
> > +
> > +	osc: osc {
> > +		compatible = "fixed-clock";
> > +		#clock-cells = <0>;
> > +	};
> > +
> > +	clk_rtc: clk_rtc {
> > +		compatible = "fixed-clock";
> > +		#clock-cells = <0>;
> > +	};
> > +
> > +	gmac0_rmii_refin: gmac0_rmii_refin {
> > +		compatible = "fixed-clock";
> > +		#clock-cells = <0>;
> > +		clock-frequency = <50000000>;
> 
> I assume, given osc has it's frequency set in the board dts, that these
> are all oscillators on the SoC?

These are all on the board. Should move all "clock-frequency" to the board dts.
I will recheck and modify this patch.

Best regards,
Hal