Re: [PATCH 1/6] arm64: dts: renesas: r9a07g043: Add SPI Multi I/O Bus controller node

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Hi Biju,

On Mon, May 2, 2022 at 6:18 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> > Subject: Re: [PATCH 1/6] arm64: dts: renesas: r9a07g043: Add SPI Multi I/O
> > Bus controller node
> > On Sun, May 1, 2022 at 1:29 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > wrote:
> > > Add SPI Multi I/O Bus controller node to R9A07G043 (RZ/G2UL) SoC DTSI.
> > >
> > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

> > > --- a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
> > > @@ -418,12 +418,20 @@ adc: adc@10059000 {
> > >                 };
> > >
> > >                 sbc: spi@10060000 {
> > > +                       compatible = "renesas,r9a07g043-rpc-if",
> > > +                                    "renesas,rzg2l-rpc-if";
> > >                         reg = <0 0x10060000 0 0x10000>,
> > >                               <0 0x20000000 0 0x10000000>,
> > >                               <0 0x10070000 0 0x10000>;
> > > +                       reg-names = "regs", "dirmap", "wbuf";
> > > +                       interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> >
> > LGTM, but this interrupt is not documented in the RZ/G2UL Hardware User's
> > Manual (Rev. 0.51 and 1.00)?
>
> You are correct. As per Table25.1 and Table 8.2, QSPI_INT# is not available on
> RZ/G2UL.
>
> Will Fix this in next version. Maybe we need to make interrupt as optional in bindings with driver changes?

It's already optional, and the driver doesn't seem to use it at all.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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