On Sat, Jul 23, 2022 at 09:42:46AM +0200, Daniel Kestrel wrote: > AVM Fritzbox router boards may contain an additional ATH79 > based SoC that has the wifi cards connected. > This patch adds bindings for this remote processor. > > Signed-off-by: Daniel Kestrel <kestrelseventyfour@xxxxxxxxx> > --- > .../bindings/remoteproc/avm,wasp-rproc.yaml | 61 +++++++++++++++++++ > 1 file changed, 61 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml > > diff --git a/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml > new file mode 100644 > index 000000000000..e8618706a34f > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml > @@ -0,0 +1,61 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/remoteproc/avm,wasp-rproc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: AVM WASP processor controller bindings > + > +maintainers: > + - Daniel Kestrel <kestrelseventyfour@xxxxxxxxx> > + > +description: | > + This document defines the bindings for the remoteproc component that loads and > + boots firmwares on the AVM Wireless Assistant Support Processor (WASP) SoC > + that is attached to some AVM Fritzbox devices (3390, 3490, 5490, 5491, 7490). > + > +properties: > + compatible: > + enum: > + - avm,fritzbox3390-wasp > + - avm,fritzbox3490-wasp > + - avm,fritzbox5490-wasp > + - avm,fritzbox5491-wasp > + - avm,fritzbox7490-wasp > + > + avm,wasp-mdio: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: Lantiq GSWIP switch mdio. "git grep 'mdio.*=.*<'" gives existing 'mdio-parent-bus', 'mdio-device', and 'mdio-handle'. 'mdio-parent-bus' is the only one documented, but is for muxes. I'd go with 'mdio-device' here. > + > + avm,wasp-port: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: Network port, where the WASP SoC is connected to. Maybe something already exists here too. > + > + avm,reset-gpios: > + description: Reset gpio of the WASP SoC. > + maxItems: 1 Just 'reset-gpios' is fine here as that is somewhat standard. > + > + avm,startup-gpios: > + description: Startup gpio of the WASP SoC. s/gpio/GPIO/ Perhaps some detail on what it does besides just 'startup'. > + maxItems: 1 > + > +required: > + - compatible > + - avm,wasp-mdio > + - avm,wasp-port > + - avm,reset-gpios > + - avm,startup-gpios > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + > + remoteproc { > + compatible = "avm,fritzbox7490-wasp"; > + avm,wasp-mdio = <&gswip_mdio>; > + avm,wasp-port = <&port5>; > + avm,reset-gpios = <&gpio 34 GPIO_ACTIVE_HIGH>; > + avm,startup-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>; > + }; > -- > 2.17.1 > >
