[PATCH] ARM: dts: ixp4xx: Add devicetree for Linksys WRV54G
Andrew Lunn
andrew at lunn.ch
Fri Jul 30 16:01:33 PDT 2021
On Fri, Jul 30, 2021 at 02:15:57PM +0200, Linus Walleij wrote:
> On Thu, Jul 29, 2021 at 5:33 PM Andrew Lunn <andrew at lunn.ch> wrote:
>
> > > + /* This set-up comes from an OpenWrt patch */
> > > + spi {
> > > + compatible = "spi-gpio";
> > > + #address-cells = <1>;
> > > + #size-cells = <0>;
> > > +
> > > + sck-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
> > > + miso-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
> > > + mosi-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
> > > + cs-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
> > > + num-chipselects = <1>;
> > > +
> > > + switch at 0 {
> > > + compatible = "micrel,ks8995";
> >
> > Hi Linus
> >
> > This does not exist in mainline. And when it does, i guess it will be
> > called microchip,ksz8995. See microchip,ksz.yaml.
>
> As it happens it does exist, so this was what I was using:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/net/micrel-ks8995.txt
Ah, that driver! O.K. I will take a second look at this.
I suspect there is code in userspace actually driving the switch.
Andrew
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