Hi Linus,
> I am a great supporter of this idea.
Great, thanks!
> When other debugging tools for GPIO got DT bindings it was concluded that
> it is possible to create bindings like this for debugging without even
> specifying
> any formal bindings. They are just for debugging after all.
So, I r
On Thu, Apr 1, 2021 at 3:08 PM Linus Walleij wrote:
>
> On Tue, Mar 30, 2021 at 10:58 AM Wolfram Sang
> wrote:
>
> > This is a simple logic analyzer using GPIO polling. It comes with a
> > script to isolate a CPU for polling. While this is definately not a
> > production level analyzer, it can be
On Tue, Mar 30, 2021 at 10:58 AM Wolfram Sang
wrote:
> This is a simple logic analyzer using GPIO polling. It comes with a
> script to isolate a CPU for polling. While this is definately not a
> production level analyzer, it can be a helpful first view when remote
> debugging. Read the documentat
> > +snipplet which analyzes an I2C bus at 400KHz on a Renesas Salvator-XS
> > board,
>
>snippet
Thanks!
>
> > +the following settings are used: The isolated CPU shall be CPU1 because it
> > is a
> > +big core in a big.LITTLE setup. Because CPU1 is the default, we don't need
> > a
> > +
Hi--
On 3/30/21 1:56 AM, Wolfram Sang wrote:
> diff --git a/Documentation/dev-tools/gpio-logic-analyzer.rst
> b/Documentation/dev-tools/gpio-logic-analyzer.rst
> new file mode 100644
> index ..2847260736d4
> --- /dev/null
> +++ b/Documentation/dev-tools/gpio-logic-analyzer.rst
> @@ -0
Hi Andy,
> I would like to look at it closer, but don't have time right now. So,
> some kind of a shallow review.
Still, thanks for that!
> But the idea is, let's say, interesting.
:)
> > +The binding documentation is in the ``misc`` folder of the Kernel binding
> > +documentation.
>
> Can't
On Tue, Mar 30, 2021 at 11:58 AM Wolfram Sang
wrote:
>
> This is a simple logic analyzer using GPIO polling. It comes with a
> script to isolate a CPU for polling. While this is definately not a
definitely
> production level analyzer, it can be a helpful first view when remote
> debugging. Read
This is a simple logic analyzer using GPIO polling. It comes with a
script to isolate a CPU for polling. While this is definately not a
production level analyzer, it can be a helpful first view when remote
debugging. Read the documentation for details.
Signed-off-by: Wolfram Sang
---
.../dev-too
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