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SubjectRe: [PATCH v6 31/36] dt-bindings: nds32 CPU Bindings
On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <green.hu@gmail.com> wrote:
> From: Greentime Hu <greentime@andestech.com>
>
> This patch adds nds32 CPU binding documents.
>
> Signed-off-by: Vincent Chen <vincentc@andestech.com>
> Signed-off-by: Rick Chen <rick@andestech.com>
> Signed-off-by: Zong Li <zong@andestech.com>
> Signed-off-by: Greentime Hu <greentime@andestech.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
> Documentation/devicetree/bindings/nds32/cpus.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nds32/cpus.txt
>
> diff --git a/Documentation/devicetree/bindings/nds32/cpus.txt b/Documentation/devicetree/bindings/nds32/cpus.txt
> new file mode 100644
> index 0000000..9a52937
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nds32/cpus.txt
> @@ -0,0 +1,37 @@
> +* Andestech Processor Binding
> +
> +This binding specifies what properties must be available in the device tree
> +representation of a Andestech Processor Core, which is the root node in the
> +tree.
> +
> +Required properties:
> +
> + - compatible:
> + Usage: required
> + Value type: <string>
> + Definition: should be one of:
> + "andestech,n13"
> + "andestech,n15"
> + "andestech,d15"
> + "andestech,n10"
> + "andestech,d10"
> + "andestech,nds32v3"

Based on https://lkml.org/lkml/2017/11/27/1290, this should say that
the device tree should always list 'andestech,nds32v3' as the most
generic 'compatible' value and list exactly one of the others in
addition.

Arnd

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