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 <abs...@codeaurora.org> > --- > .../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
