Hi Mathis, Please see which subject prefix has been used in the past for these bindings. On Wed, Feb 26, 2025 at 04:39:22PM +0100, Mathis Foerst wrote: > The MT9M114 sensor has an internal PLL that generates the required SYSCLK > from EXTCLK. It also has the option to bypass the PLL and use EXTCLK > directly as SYSCLK. > The current driver implementation uses a hardcoded PLL configuration that > requires a specific EXTCLK frequency. Depending on the available clocks, > it can be desirable to use a different PLL configuration or to bypass it. > > Add the 'bypass-pll' property to the MT9M114 DT-bindings to allow selecting > the PLL bypass mode. > > Signed-off-by: Mathis Foerst <mathis.foerst@xxxxxx> > --- > Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml b/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml > index f6b87892068a..72e258d57186 100644 > --- a/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml > +++ b/Documentation/devicetree/bindings/media/i2c/onnn,mt9m114.yaml > @@ -70,6 +70,10 @@ properties: > - bus-type > - link-frequencies > > + onnn,bypass-pll: > + description: Bypass the internal PLL of the sensor to use EXTCLK directly as SYSCLK. > + type: boolean > + But on the content itself: do you need this? Could you instead compare the external clock frequency to the link-frequencies property value(s)? > required: > - compatible > - reg -- Regards, Sakari Ailus