Re: [PATCH v2 2/4] media: dt-bindings: Add OmniVision OV08X40

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On Tue, Oct 01, 2024 at 02:47:43PM +0100, Bryan O'Donoghue wrote:
> On 01/10/2024 14:22, Sakari Ailus wrote:
> > > +  assigned-clocks: true
> > > +  assigned-clock-parents: true
> > > +  assigned-clock-rates: true
> > As much as I'd like to see these mandatory, there seem to be cases where
> > they can't be used. Therefore I'd leave them in the example only.
> > 
> > If that turns out to be the only change to do, I can also handle that while
> > applying.
> 
> So I took Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml as
> the reference for this.
> 
> Without listing "assigned-clock*" in the required: field I believe the dts
> checkers will not require those.
> 
> So instead of saying
> assigned-clocks:
>     maxItems: 1
> 
> we write
> assigned-clocks: true
> 
> omit from "required:" and get the desired effect.
> 
> For example this passes the checker for me.
> 
> &cci1_i2c1 {
>         camera@36 {
>                 compatible = "ovti,ov08x40";
>                 reg = <0x36>;
> 
>                 reset-gpios = <&tlmm 237 GPIO_ACTIVE_LOW>;
>                 pinctrl-names = "default";
>                 pinctrl-0 = <&cam_rgb_default>;
> 
>                 clocks = <&camcc CAM_CC_MCLK4_CLK>;
>                 assigned-clocks = <&camcc CAM_CC_MCLK4_CLK>;
>                 assigned-clock-rates = <19200000>;
> 
>                 orientation = <0>; /* front facing */
> 
>                 avdd-supply = <&vreg_l7b_2p8>;
>                 dvdd-supply = <&vreg_l7b_2p8>;
>                 dovdd-supply = <&vreg_l3m_1p8>;
> 
>                 port {
>                         ov08x40_ep: endpoint {
>                                 clock-lanes = <0>;
>                                 data-lanes = <1 2 3 4>;
>                                 link-frequencies = /bits/ 64 <400000000>;
>                                 remote-endpoint = <&csiphy4_ep>;
>                         };
>                 };
>         };
> };
> 
> Eh.. at least that's how I think this works.
> 
> Krzysztof/Rob ?

What is the question? You should not have assigned-* properties in the
schema. Example is fine.

Best regards,
Krzysztof





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