On Thu, 20 Oct 2016 10:49:01 +0200 Neil Armstrong <[email protected]> wrote:
> Add NAND driver to support the Oxford Semiconductor OX820 NAND Controller. > This is a simple memory mapped NAND controller with single chip select and > software ECC. > > Acked-by: Rob Herring <[email protected]> > Signed-off-by: Neil Armstrong <[email protected]> > --- > .../devicetree/bindings/mtd/oxnas-nand.txt | 41 +++++ > drivers/mtd/nand/Kconfig | 5 + > drivers/mtd/nand/Makefile | 1 + > drivers/mtd/nand/oxnas_nand.c | 196 > +++++++++++++++++++++ > 4 files changed, 243 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/oxnas-nand.txt > create mode 100644 drivers/mtd/nand/oxnas_nand.c > > Changes since v1 > http://lkml.kernel.org/r/[email protected] : > - Simplify cmd_ctrl command and drop the ctrl address offset > - Change oxnas_nand struct name to oxnas_nand_ctrl > - Update DT-Bindings example to reflect the ctrl->chip->partitions hierarchy > > Changes since RFC > http://lkml.kernel.org/r/[email protected] : > - Avoid using chip->IO_ADDR* > - Use new DT structure > - Assign a chip for the subnode > - Use the nand_hw_control structure > - Cleanup probe > - Cleanup cmd_ctrl by using a context ctrl offset used in write_bytes > > diff --git a/Documentation/devicetree/bindings/mtd/oxnas-nand.txt > b/Documentation/devicetree/bindings/mtd/oxnas-nand.txt > new file mode 100644 > index 0000000..33a77b8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/oxnas-nand.txt > @@ -0,0 +1,41 @@ > +* Oxford Semiconductor OXNAS NAND Controller > + > +Please refer to nand.txt for generic information regarding MTD NAND bindings. > + > +Required properties: > + - compatible: "oxsemi,ox820-nand" > + - reg: Base address and length for NAND mapped memory. > + > +Optional Properties: > + - clocks: phandle to the NAND gate clock if needed. > + - resets: phandle to the NAND reset control if needed. > + > +Example: > + > +nand: nand-controller@41000000 { 'nandc:' or 'nand_ctrl:' Otherwise it may conflict with a NAND chip alias. The rest looks good, so no need to send a new version (I can fix it when applying the patch). One last thing, I saw there was other people owning boards with this controller. Can I get one or two Tested-by? Thanks taking my reviews into account. Regards, Boris
