linux-kernel - Re: [PATCH 5/5] v3u: enable other I2C busses for testing

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Message-ID: <CAMuHMdUeKSMFGgQOVXSPfhhg6PimVdFbQ=A=dEY4Y6UuhrsCbA@mail.gmail.com>
Date:   Tue, 5 Jan 2021 12:02:12 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] v3u: enable other I2C busses for testing

Hi Wolfram,

On Wed, Dec 23, 2020 at 6:25 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> Not for upstream!
>
> Not-Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
> @@ -37,6 +37,46 @@ &i2c1 {
>         clock-frequency = <400000>;
>  };
>
> +&i2c2 {
> +       pinctrl-0 = <&i2c2_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <100000>;
> +};
> +
> +&i2c3 {
> +       pinctrl-0 = <&i2c3_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <100000>;
> +};
> +
> +&i2c4 {
> +       pinctrl-0 = <&i2c4_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <100000>;
> +};
> +
> +&i2c5 {
> +       pinctrl-0 = <&i2c5_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <100000>;
> +};
> +
> +&i2c6 {
> +       pinctrl-0 = <&i2c6_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <100000>;
> +};

I think the i2c6 part belongs to "[PATCH 4/5] arm64: dts: renesas: Add
I2C support for falcon board",
possibly with clock-frequency = <400000>.

> +
>  &pfc {
>         i2c0_pins: i2c0 {
>                 groups = "i2c0";
> @@ -47,6 +87,31 @@ i2c1_pins: i2c1 {
>                 groups = "i2c1";
>                 function = "i2c1";
>         };
> +
> +       i2c2_pins: i2c2 {
> +               groups = "i2c2";
> +               function = "i2c2";
> +       };
> +
> +       i2c3_pins: i2c3 {
> +               groups = "i2c3";
> +               function = "i2c3";
> +       };
> +
> +       i2c4_pins: i2c4 {
> +               groups = "i2c4";
> +               function = "i2c4";
> +       };
> +
> +       i2c5_pins: i2c5 {
> +               groups = "i2c5";
> +               function = "i2c5";
> +       };
> +
> +       i2c6_pins: i2c6 {
> +               groups = "i2c6";
> +               function = "i2c6";
> +       };

Likewise.

>  };
>
>  &rwdt {
> --
> 2.28.0
>


--
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