linux-kernel - Re: [PATCH v2 12/12] sh: add device tree source for J2 FPGA on Mimas v2 board

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Date:	Fri, 20 May 2016 10:17:34 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Rich Felker <dalias@...c.org>
Cc:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>
Subject: Re: [PATCH v2 12/12] sh: add device tree source for J2 FPGA on Mimas
 v2 board

On Fri, May 20, 2016 at 4:53 AM, Rich Felker <dalias@...c.org> wrote:
> --- /dev/null
> +++ b/arch/sh/boot/dts/j2_mimas_v2.dts
> @@ -0,0 +1,87 @@
> +/dts-v1/;
> +
> +/ {
> +       compatible = "jcore,j2-soc";
> +       model = "J2 FPGA SoC on Mimas v2 board";
> +
> +       #address-cells = <1>;
> +       #size-cells = <1>;
> +
> +       interrupt-parent = <&aic>;
> +
> +       cpus {
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               cpu@0 {
> +                       device_type = "cpu";
> +                       compatible = "jcore,j2";
> +                       reg = < 0 >;
> +                       clock-frequency = < 50000000 >;
> +               };
> +       };
> +
> +       memory@...00000 {
> +               device_type = "memory";
> +               reg = < 0x10000000 0x4000000 >;
> +       };
> +
> +       chosen {
> +               stdout-path = "/soc@...d0000/serial@100";
> +       };
> +
> +       soc@...d0000 {
> +               compatible = "simple-bus";
> +               ranges = <0 0xabcd0000 0x100000>;
> +
> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +
> +               aic: interrupt-controller {

aic: interrupt-controller@200 {

> +                       compatible = "jcore,aic1";
> +                       reg = < 0x200 0x10 >;
> +                       interrupt-controller;
> +                       #interrupt-cells = <1>;
> +               };
> +
> +               cache-controller {

@c0

> +                       compatible = "jcore,cache";
> +                       reg = < 0xc0 4 >;
> +               };
> +
> +               timer {

@200

> +                       compatible = "jcore,pit";
> +                       reg = < 0x200 0x30 >;
> +                       interrupts = < 0x48 >;
> +               };
> +
> +               spi {

@40

> +                       compatible = "jcore,spi2";
> +
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       spi-max-frequency = <12500000>;
> +
> +                       reg = < 0x40 0x8 >;
> +
> +                       sdcard@1 {

@0, to match reg below?

> +                               compatible = "mmc-spi-slot";
> +                               reg = <0>;
> +                               spi-max-frequency = <12500000>;
> +                               voltage-ranges = <3200 3400>;
> +                               mode = <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