linux-kernel - Re: [PATCH v5 0/7] Add support for Renesas RZ/Five SoC

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Date:   Sun, 30 Oct 2022 22:45:56 +0000
From:   Conor Dooley <conor@...nel.org>
To:     "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Guo Ren <guoren@...nel.org>, Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...osinc.com>,
        Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
        devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v5 0/7] Add support for Renesas RZ/Five SoC

On Sun, Oct 30, 2022 at 10:37:01PM +0000, Lad, Prabhakar wrote:
> Hi Conor,
> 
> On Sun, Oct 30, 2022 at 6:24 PM Conor Dooley <conor@...nel.org> wrote:
> >
> > On Fri, Oct 28, 2022 at 05:59:14PM +0100, Prabhakar wrote:
> > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > >
> > > Hi All,
> > >
> > > The RZ/Five microprocessor includes a RISC-V CPU Core (AX45MP Single)
> > > 1.0 GHz, 16-bit DDR3L/DDR4 interface. And it also has many interfaces such
> > > as Gbit-Ether, CAN, and USB 2.0, making it ideal for applications such as
> > > entry-class social infrastructure gateway control and industrial gateway
> > > control.
> > >
> > > This patch series adds initial SoC DTSi support for Renesas RZ/Five
> > > (R9A07G043) SoC. Below is the list of IP blocks enabled in the initial
> > > board DTS which can be used to boot via initramfs on RZ/Five SMARC EVK:
> > > - AX45MP CPU
> > > - CPG
> > > - PINCTRL
> >
> > Hey,
> > Looks like you've got a pair of warnings here from dtbs_check. I tested
> > this on top of 20221028's next, with the three branches below merged in,
> > hopefully my merges aren't the source of them:
> >
> > linux/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dtb: pinctrl@...30000: 'interrupt-controller' is a required property
> >         From schema: Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> > linux/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dtb: pinctrl@...30000: '#interrupt-cells' is a required property
> >         From schema: linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> >
> Thanks for the review and test. The warnings above are coming from [0]
> as support for IRQC is missing, once that is added the warnings should
> go away.

Right. I merged in the stuff in Geert's trees & I don't think I saw any
pending patches in the cover that I missed. Is there something else that
adds the support that's not going to make v6.2? I got rid of all the
dtbs_check warnings for v6.1 and I'd really like to keep things that
way!

> > With this sorted, whatever wasn't already is now:
> > Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
> > Thanks for putting up with my messing around re: kconfig symbols and I
> > am glad that we ended up being able to share the dts across archs in the
> > end, so thanks to everyone involved in that :)
> >
> :-)
> 
> [0] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
> 
> Cheers,
> Prabhakar