Re: [PATCH v2 12/25] dt-bindings: qcom_nandc: QPIC NAND documentation

[Rob Herring]

On Wed, Jul 19, 2017 at 05:18:00PM +0530, Abhishek Sahu wrote:
> 1. QPIC NAND will use compatible string "qcom,qpic-nandc-v1.4.0"
> 2. QPIC NAND will 3 BAM channels: command, data tx and data rx
>    while EBI2 NAND uses only single ADM channel.
> 3. CRCI is only required for ADM DMA and its not required for
>    QPIC NAND.
> 
> Signed-off-by: Abhishek Sahu <absahu@xxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/mtd/qcom_nandc.txt         | 54 ++++++++++++++++++++--
>  1 file changed, 51 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
> index b24adfe..8efaeb0 100644
> --- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
> +++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
> @@ -1,13 +1,15 @@
>  * Qualcomm NAND controller
>  
>  Required properties:
> -- compatible:		should be "qcom,ebi2-nandc" - EBI2 NAND which uses ADM
> -			DMA like IPQ8064.
> -
> +- compatible:		must be one of the following:
> +	* "qcom,ebi2-nandc" - EBI2 NAND which uses ADM DMA like IPQ8064.
> +	* "qcom,qpic-nandc-v1.4.0" - QPIC NAND v1.4.0 which uses BAM DMA like IPQ4019.

Looks like you have 2 SoCs and 2 versions of h/w. Use SoC specific 
compatible strings.

Rob