On Fri, Apr 16, 2021 at 9:30 PM Rob Herring <robh+dt@xxxxxxxxxx> wrote: > > On Fri, Apr 16, 2021 at 12:37 AM Enric Balletbo Serra > <eballetbo@xxxxxxxxx> wrote: > > > > Hi Ikjoon, > > > > Thank you for your patch. > > > > Missatge de Ikjoon Jang <ikjn@xxxxxxxxxxxx> del dia dj., 15 d’abr. > > 2021 a les 5:32: > > > > > > This is for ChromeOS tablets which have a 'cros_cbas' switch device > > > in the "Whiskers" base board. This device can be instantiated only by > > > device tree on ARM platforms. ChromeOS EC doesn't provide a way to > > > probe the device. > > > > > > Signed-off-by: Ikjoon Jang <ikjn@xxxxxxxxxxxx> > > > > > > --- > > > > > > Changes in v5: > > > - Add missing blank lines and change the description property's position. > > > - Add a note to description: "this device cannot be detected at runtime." > > > > > > Changes in v4: > > > Define cros-cbase bindings inside google,cros-ec.yaml instead of > > > a separated binding document. > > > > > > .../bindings/mfd/google,cros-ec.yaml | 20 +++++++++++++++++++ > > > 1 file changed, 20 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml > > > index 76bf16ee27ec..8dcce176b72e 100644 > > > --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml > > > +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml > > > @@ -114,6 +114,22 @@ properties: > > > - "#address-cells" > > > - "#size-cells" > > > > > > + cbas: > > > + type: object > > > + > > > + description: > > > + This device is used to signal when a detachable base is attached > > > + to a Chrome OS tablet. This device cannot be detected at runtime. > > > + > > > + properties: > > > + compatible: > > > + const: google,cros-cbas > > > + > > > + required: > > > + - compatible > > > + > > > + additionalProperties: false > > > + > > > patternProperties: > > > "^i2c-tunnel[0-9]*$": > > > type: object > > > @@ -180,6 +196,10 @@ examples: > > > interrupts = <99 0>; > > > interrupt-parent = <&gpio7>; > > > spi-max-frequency = <5000000>; > > > + > > > + base_detection: cbas { > > > > nit: Rob, shouldn't this be just cbas? > > Yes. Sorry, I'm a bit confused here. 'base_detection: cbas' in example should be just 'cbas'? Maybe that's because cbas doesn't need to have a phandle or just by its definition in schema? Please let me upload v6 if this needs to be fixed. Thanks for reviewing! > > > > > > + compatible = "google,cros-cbas"; > > > + }; > > > }; > > > }; > > > > > > -- > > > 2.31.1.295.g9ea45b61b8-goog > > > > > > > Acked-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>