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? > + compatible = "google,cros-cbas"; > + }; > }; > }; > > -- > 2.31.1.295.g9ea45b61b8-goog > Acked-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>