Messages in this thread | | | Date | Fri, 11 Dec 2020 10:13:11 +0100 | From | Wilken Gottwalt <> | Subject | Re: [PATCH v4 1/2] dt-bindings: hwlock: add sun8i_hwspinlock |
| |
On Fri, 11 Dec 2020 09:57:57 +0100 Maxime Ripard <maxime@cerno.tech> wrote:
> Hi, > > On Fri, Dec 11, 2020 at 09:23:48AM +0100, Wilken Gottwalt wrote: > > Adds documentation on how to use the sun8i_hwspinlock driver for sun8i > > compatible SoCs. > > > > Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net> > > --- > > Changes in v4: > > - changed binding to sun8i-a33-hwpinlock > > - added changes suggested by Maxime Ripard > > > > Changes in v3: > > - changed symbols from sunxi to sun8i > > > > Changes in v2: > > - fixed memory ranges > > --- > > .../bindings/hwlock/sun8i-hwspinlock.yaml | 56 +++++++++++++++++++ > > 1 file changed, 56 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/hwlock/sun8i-hwspinlock.yaml > > > > diff --git a/Documentation/devicetree/bindings/hwlock/sun8i-hwspinlock.yaml > > b/Documentation/devicetree/bindings/hwlock/sun8i-hwspinlock.yaml new file mode 100644 > > index 000000000000..76963d8abd5f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/hwlock/sun8i-hwspinlock.yaml > > We usually have the schemas with the same name than the compatible > > > @@ -0,0 +1,56 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/hwlock/sun8i-hwspinlock.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: SUN8I hardware spinlock driver for Allwinner sun8i compatible SoCs > > + > > +maintainers: > > + - Wilken Gottwalt <wilken.gottwalt@posteo.net> > > + > > +description: > > + The hardware unit provides sempahores between the ARM cores and the embedded > > ^ typo
Hmm, you are right. This is odd, the patch checking script didn't catch that one.
> > + OpenRisc core on the SoC. > > It's not just OpenRisc: there's some SoC that will have an xtensa core. Maybe we can replace > openrisc by secondary?
So there are actually different embedded cores? What about embedded companion core?
> > + > > +properties: > > + compatible: > > + const: allwinner,sun8i-a33-hwspinlock > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + clock-names: > > + items: > > + - const: ahb > > clock-names is useless when you have a single clock > > > + > > + resets: > > + maxItems: 1 > > + > > + reset-names: > > + items: > > + - const: ahb > > and reset-names is useless as well when there's a single reset line
So just drop the reset-names lines? I'm still a bit unsure about this dt yaml documentation format. I try to learn from the existing bindings, but the quality seems a bit mixed. So thank you for your patience.
greetings, Wilken
> Maxime
| |