linux-kernel - Re: [PATCH 3/3] arm64: dts: renesas: r8a7795: add ccree binding

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Date:   Tue, 15 May 2018 16:50:44 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Gilad Ben-Yossef <gilad@...yossef.com>
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Ofir Drang <ofir.drang@....com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: dts: renesas: r8a7795: add ccree binding

Hi Gilad,

On Tue, May 15, 2018 at 2:29 PM, Gilad Ben-Yossef <gilad@...yossef.com> wrote:
> Add bindings for CryptoCell instance in the SoC.
>
> Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> @@ -528,6 +528,14 @@
>                         status = "disabled";
>                 };
>
> +               arm_cc630p: crypto@...01000 {
> +                       compatible = "arm,cryptocell-630p-ree";
> +                       interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
> +                       #interrupt-cells = <2>;

I believe the #interrupt-cells property is not needed.

> +                       reg = <0x0 0xe6601000 0 0x1000>;
> +                       clocks = <&cpg CPG_MOD 229>;
> +               };

The rest looks good, but I cannot verify the register block.

> +
>                 i2c3: i2c@...d0000 {
>                         #address-cells = <1>;
>                         #size-cells = <0>;

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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