[PATCH v4 3/5] dt-bindings: mtd: spi-nor: add OTP parameters

Erez erezgeva2 at gmail.com
Tue Sep 17 10:11:07 PDT 2024


On Tue, 17 Sept 2024 at 19:00, Krzysztof Kozlowski <krzk at kernel.org> wrote:
>
> On 17/09/2024 12:42, Erez wrote:
> > On Tue, 17 Sept 2024 at 12:36, Krzysztof Kozlowski <krzk at kernel.org> wrote:
> >>
> >> On 17/09/2024 11:49, Erez Geva wrote:
> >>> From: Erez Geva <ErezGeva2 at gmail.com>
> >>>
> >>> Some flash devices need OTP parameters in device tree.
> >>> As we can not deduce the parameters based on JEDEC ID or SFDP.
> >>>
> >>> Signed-off-by: Erez Geva <ErezGeva2 at gmail.com>
> >>> ---
> >>>  .../bindings/mtd/jedec,spi-nor.yaml           | 37 +++++++++++++++++++
> >>>  1 file changed, 37 insertions(+)
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> >>> index 6e3afb42926e..d502b7fab2ce 100644
> >>> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> >>> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> >>> @@ -90,6 +90,43 @@ properties:
> >>>        the SRWD bit while writing the status register. WP# signal hard strapped to GND
> >>>        can be a valid use case.
> >>>
> >>> +  opt_n_regions:
> >>
> >> No underscores, but hyphens.
> >
> > I'll fix this.
> >
> >>
> >>> +    type: u32
> >>
> >> It does not look like you tested the bindings, at least after quick
> >> look. Please run `make dt_binding_check` (see
> >
> > I run "make dt_binding_check" on kernel 6.6.
>
> Yeah, we are no on kernel 6.6. You can run it also on kernel v4.1 -
> still does not matter.
>
> Don't develop on ancient code because then you ask us to review same
> broken stuff we already fixed.

I test with Beaglebone black for testing, it is difficult to run the
last vanille version.
I did backport the spi-nor driver.
As for "make dt_binding_check" on last kernel, it need to upgrade the tools,
 and I did not think it could change that much.

The patches themself are based on vanile kernel
commit 6b0f8db921abf0520081d779876d3a41069dab95 (origin/master)
Merge: 6b4aa469f049 f50733b45d86
Author: Linus Torvalds <torvalds at linux-foundation.org>
Date:   Tue Aug 13 16:10:32 2024 -0700


Erez





>
> Best regards,
> Krzysztof
>



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