linux-kernel - Re: [PATCH v2 13/34] dt-bindings: arm: amlogic: Move 'amlogic, meson-gx-ao-secure' binding to its own file

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Date:   Tue, 4 Dec 2018 09:31:42 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Mark Rutland <mark.rutland@....com>,
        Kumar Gala <kumar.gala@...aro.org>, arm@...nel.org,
        Sean Hudson <darknighte@...knighte.com>,
        Frank Rowand <frowand.list@...il.com>,
        Grant Likely <grant.likely@....com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 13/34] dt-bindings: arm: amlogic: Move 'amlogic,
 meson-gx-ao-secure' binding to its own file

On 03/12/2018 22:32, Rob Herring wrote:
> It is best practice to have 1 binding per file, so board level bindings
> should be separate for various misc SoC bindings.
> 
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Carlo Caione <carlo@...one.org>
> Cc: Kevin Hilman <khilman@...libre.com>
> Cc: devicetree@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-amlogic@...ts.infradead.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  .../devicetree/bindings/arm/amlogic.txt       | 29 -------------------
>  .../amlogic/amlogic,meson-gx-ao-secure.txt    | 28 ++++++++++++++++++
>  2 files changed, 28 insertions(+), 29 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt
> index 4498292b833d..f5c8d50a3506 100644
> --- a/Documentation/devicetree/bindings/arm/amlogic.txt
> +++ b/Documentation/devicetree/bindings/arm/amlogic.txt
> @@ -107,32 +107,3 @@ Board compatible values (alphabetically, grouped by SoC):
>    - "amlogic,s400" (Meson axg a113d)
>  
>    - "amlogic,u200" (Meson g12a s905d2)
> -
> -Amlogic Meson Firmware registers Interface
> -------------------------------------------
> -
> -The Meson SoCs have a register bank with status and data shared with the
> -secure firmware.
> -
> -Required properties:
> - - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-ao-secure", "syscon"
> -
> -Properties should indentify components of this register interface :
> -
> -Meson GX SoC Information
> -------------------------
> -A firmware register encodes the SoC type, package and revision information on
> -the Meson GX SoCs.
> -If present, the following property should be added :
> -
> -Optional properties:
> -  - amlogic,has-chip-id: If present, the interface gives the current SoC version.
> -
> -Example
> --------
> -
> -ao-secure@140 {
> -	compatible = "amlogic,meson-gx-ao-secure", "syscon";
> -	reg = <0x0 0x140 0x0 0x140>;
> -	amlogic,has-chip-id;
> -};
> diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt
> new file mode 100644
> index 000000000000..c67d9f48fb91
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt
> @@ -0,0 +1,28 @@
> +Amlogic Meson Firmware registers Interface
> +------------------------------------------
> +
> +The Meson SoCs have a register bank with status and data shared with the
> +secure firmware.
> +
> +Required properties:
> + - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-ao-secure", "syscon"
> +
> +Properties should indentify components of this register interface :
> +
> +Meson GX SoC Information
> +------------------------
> +A firmware register encodes the SoC type, package and revision information on
> +the Meson GX SoCs.
> +If present, the following property should be added :
> +
> +Optional properties:
> +  - amlogic,has-chip-id: If present, the interface gives the current SoC version.
> +
> +Example
> +-------
> +
> +ao-secure@140 {
> +	compatible = "amlogic,meson-gx-ao-secure", "syscon";
> +	reg = <0x0 0x140 0x0 0x140>;
> +	amlogic,has-chip-id;
> +};
> 

Acked-by: Neil Armstrong <narmstrong@...libre.com>