Re: [PATCH v2 4/7] dt-bindings: remoteproc: add Allwinner sun55i-rproc schema

[Krzysztof Kozlowski <krzk@kernel.org>]

On Sat, Sep 26, 2026 at 07:20:13PM -0500, Tim Michals wrote:
> Add Device Tree binding schema for the Allwinner XuanTie E907 RISC-V
> remote processor subsystem integrated into Allwinner A523, A527, and
> T527 (sun55i) SoCs.
> 
> The binding defines the memory resources (configuration registers,
> SRAM Space 0, SRAM Space 1, and optional remap controller), clocks,
> resets, reserved memory regions, and hardware mailbox channels.
> 
> Signed-off-by: Tim Michals <tcmichals@gmail.com>
> ---
>  .../remoteproc/allwinner,sun55i-rproc.yaml    | 146 ++++++++++++++++++
>  1 file changed, 146 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/allwinner,sun55i-rproc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/allwinner,sun55i-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/allwinner,sun55i-rproc.yaml
> new file mode 100644
> index 000000000000..53e3f4faaa76
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/allwinner,sun55i-rproc.yaml
> @@ -0,0 +1,146 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/allwinner,sun55i-rproc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner XuanTie E906/E907 RISC-V Remoteproc
> +
> +maintainers:
> +  - Jernej Skrabec <jernej.skrabec@gmail.com>
> +  - Samuel Holland <samuel@sholland.org>
> +  - Tim Michals <tcmichals@gmail.com>
> +
> +description:
> +  The Allwinner T527, A527, and A523 (sun55i) SoCs integrate a T-Head
> +  (XuanTie) E906 or E907 RISC-V co-processor alongside the ARM Cortex-A55
> +  cluster. The co-processor runs bare-metal firmware loaded and lifecycle-
> +  managed by the Linux remoteproc framework.
> +
> +  The driver controls CCU-integrated clocks (bus, core) and resets
> +  (cfg, core), programs the hardware boot-vector register, maps
> +  internal SRAM (SRAM_A3) windows, and connects to the Allwinner
> +  hardware mailbox (CPUX_MSGBOX) for VirtIO RPMsg IPC.
> +
> +properties:
> +  compatible:
> +    const: allwinner,sun55i-a523-rproc
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 4
> +    description:
> +      Memory-mapped register regions. The following named regions are
> +      supported (all optional except at least one of r_sram or r_sram1) -
> +      "cfg" for RISC-V core control and boot-vector registers,
> +      "r_sram" for dedicated MCU SRAM Space 0,
> +      "r_sram1" for switchable MCU SRAM Space 1,
> +      "remap" for the hardware remap control register.
> +
> +  reg-names:
> +    minItems: 1
> +    maxItems: 4
> +    items:
> +      enum:
> +        - cfg
> +        - r_sram
> +        - r_sram1
> +        - remap

So you completely ignored my feedback and sent exactly the same.

Best regards,
Krzysztof