On Mon, Nov 15, 2021 at 02:50:30PM +0100, Julien Massot wrote: > Renesas R-Car SoCs may contains a Realtime processor. > This patch adds binding for this remote processor. > > Signed-off-by: Julien Massot <julien.massot@xxxxxxx> > --- > Change since RFC: > Adds missing address-cells and size-cells and change reg cell > accordingly. > --- > .../remoteproc/renesas,rcar-rproc.yaml | 66 +++++++++++++++++++ > 1 file changed, 66 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > > diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > new file mode 100644 > index 000000000000..dcb6b0f75dda > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > @@ -0,0 +1,66 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: Renesas R-Car remote processor controller bindings > + > +maintainers: > + - Julien Massot <julien.massot@xxxxxxx> > + > +description: | > + This document defines the binding for the remoteproc component that loads and > + boots firmwares on the Renesas R-Car family chipset. > + R-Car gen3 family may have a realtime processor, this processor share peripheral > + and RAM with the host processor with the same address map. > + > +properties: > + compatible: > + const: renesas,rcar-cr7 > + > + resets: > + maxItems: 1 > + > + power-domains: > + maxItems: 1 > + > + memory-region: > + description: > + List of phandles to the reserved memory regions associated with the > + remoteproc device. This is variable and describes the memories shared with > + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg > + vrings, ...). > + (see ../reserved-memory/reserved-memory.yaml) > + > +required: > + - compatible > + - resets > + - memory-region > + - power-domains > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/r8a7795-cpg-mssr.h> > + #include <dt-bindings/power/r8a7795-sysc.h> > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + > + cr7_ram: cr7_ram@40040000 { > + no-map; > + reg = <0x0 0x40040000 0x0 0x1fc0000>; > + }; > + }; > + > + cr7_rproc: cr7 { > + compatible = "renesas,rcar-cr7"; > + memory-region = <&cr7_ram>; > + power-domains = <&sysc R8A7795_PD_CR7>; > + resets = <&cpg 222>; > + status = "okay"; Don't show status in examples. With that, Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
