Re: [PATCH v1 1/3] dt-bindings: remoteproc: Add Renesas R-Car

[Rob Herring <robh@kernel.org>]

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@iot.bzh>
> ---
> 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@iot.bzh>
> +
> +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@kernel.org>