Le Wed, Feb 09, 2022 at 03:18:41PM -0600, Rob Herring a écrit :
> On Mon, Jan 31, 2022 at 08:08:58AM +0000, Corentin Labbe wrote:
> > Drop mtd/cortina,gemini-flash.txt since it is nearly already handled by
> > Documentation/devicetree/bindings/mtd/mtd-physmap.yaml.
> >
> > Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> > ---
> > Change since v1:
> > - fixed typo on syscon
> >
> > .../bindings/mtd/cortina,gemini-flash.txt | 24 -------------------
> > .../devicetree/bindings/mtd/mtd-physmap.yaml | 18 +++++++++++++-
> > 2 files changed, 17 insertions(+), 25 deletions(-)
> > delete mode 100644 Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> >
> > diff --git a/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt b/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> > deleted file mode 100644
> > index efa5b2aba829..000000000000
> > --- a/Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> > +++ /dev/null
> > @@ -1,24 +0,0 @@
> > -Flash device on Cortina Systems Gemini SoC
> > -
> > -This flash is regular CFI compatible (Intel or AMD extended) flash chips with
> > -some special bits that can be controlled by the machine's system controller.
> > -
> > -Required properties:
> > -- compatible : must be "cortina,gemini-flash", "cfi-flash";
> > -- reg : memory address for the flash chip
> > -- syscon : must be a phandle to the system controller
> > -- bank-width : width in bytes of flash interface, should be <2>
> > -
> > -For the rest of the properties, see mtd-physmap.yaml.
> > -
> > -The device tree may optionally contain sub-nodes describing partitions of the
> > -address space. See partition.txt for more detail.
> > -
> > -Example:
> > -
> > -flash@30000000 {
> > - compatible = "cortina,gemini-flash", "cfi-flash";
> > - reg = <0x30000000 0x01000000>;
> > - syscon = <&syscon>;
> > - bank-width = <2>;
> > -};
> > diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.yaml b/Documentation/devicetree/bindings/mtd/mtd-physmap.yaml
> > index f827984936f6..82eb4e0f453b 100644
> > --- a/Documentation/devicetree/bindings/mtd/mtd-physmap.yaml
> > +++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.yaml
> > @@ -44,7 +44,9 @@ properties:
> > - numonyx,js28f128
> > - sst,sst39vf320
> > - xlnx,xps-mch-emc-2.00.a
> > - - const: cfi-flash
> > + - enum:
> > + - cfi-flash
> > + - jedec-flash
>
> Why is jedec-flash being added? The old doc made no mention of it.
>
Because one board (gemini-dlink-dns-313.dts) use it.
See commit a10d862e585e06aacc3a03e230fdf8faf6b1caf0
"""
The flash on the DNS-313 needs to be probed as JEDEC, it does
not conform to the common CFI standard.
"""
I will add this (the addition of jedec-flash) in commmit log.
Regards
