On Sat, Dec 05, 2020 at 07:33:54PM +0100, michael.srba@xxxxxxxxx wrote: > From: Michael Srba <Michael.Srba@xxxxxxxxx> > > This patch documents the clock-frequency property, which allows the driver > to change the clock frequency from it's default value. > > Signed-off-by: Michael Srba <Michael.Srba@xxxxxxxxx> > --- > Documentation/devicetree/bindings/media/i2c/imx219.yaml | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/media/i2c/imx219.yaml b/Documentation/devicetree/bindings/media/i2c/imx219.yaml > index dfc4d29a4f04..666b8a9da5be 100644 > --- a/Documentation/devicetree/bindings/media/i2c/imx219.yaml > +++ b/Documentation/devicetree/bindings/media/i2c/imx219.yaml > @@ -27,6 +27,10 @@ properties: > clocks: > maxItems: 1 > > + clock-frequency: > + description: > + Frequency of the input clock in Hertz. > + > VDIG-supply: > description: > Digital I/O voltage supply, 1.8 volts > @@ -78,6 +82,7 @@ required: > - compatible > - reg > - clocks > + - clock-frequency Although you can make the field required in bindings, your driver implementation must support older DTBs. Best regards, Krzysztof
