ux-aspeed; Bartosz Golaszewski; Rob
> Herring; Mark Rutland;
> linux-kernel@vger.kernel.org; Linux ARM
> Subject: Re: [v5 1/2] dt-bindings: gpio: aspeed: Add SGPIO support
>
> On Mon, Jul 29, 2019 at 2:19 AM Andrew Jeffery wrote:
>
> > The behaviour is to period
On Mon, Jul 29, 2019 at 2:19 AM Andrew Jeffery wrote:
> The behaviour is to periodically emit the state of all enabled GPIOs
> (i.e. the ngpios value), one per bus clock cycle. There's no explicit
> addressing scheme, the protocol encodes the value for a given GPIO
> by its position in the data s
On Mon, 29 Jul 2019, at 09:04, Linus Walleij wrote:
> On Mon, Jul 22, 2019 at 3:42 AM Andrew Jeffery wrote:
>
> > If the clock driver owns the control register, it also needs to know how
> > many GPIOs we want to emit on the bus. This seems like an awkward
> > configuration parameter for a clo
On Mon, Jul 22, 2019 at 3:42 AM Andrew Jeffery wrote:
> If the clock driver owns the control register, it also needs to know how
> many GPIOs we want to emit on the bus. This seems like an awkward
> configuration parameter for a clock driver.
>
> To avoid the weird parameter we could protect the
On Sat, 20 Jul 2019, at 17:43, Linus Walleij wrote:
> Hi Hongwei,
>
> after looking close at the driver and bindings I have this feeback:
>
> On Fri, Jul 19, 2019 at 9:25 PM Hongwei Zhang wrote:
>
> +- reg : Address and length of the register set for the
> device
>
> This
Hi Hongwei,
after looking close at the driver and bindings I have this feeback:
On Fri, Jul 19, 2019 at 9:25 PM Hongwei Zhang wrote:
+- reg : Address and length of the register set for the device
This 0x100 range may look simple but in the driver it looks like
this:
+static c
Add bindings to support SGPIO on AST2400 or AST2500.
Signed-off-by: Hongwei Zhang
---
.../devicetree/bindings/gpio/sgpio-aspeed.txt | 55 ++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
diff --git a/Documen
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