Hi Laurent,
Sorry for late reply, I was out last week.
On 28-05-20, 04:48, Laurent Pinchart wrote:
> > +
> > + interrupts:
> > + maxItems: 1
> > + description: interrupt line for the chip
>
> I think you could drop the descriptions for the reg and interrupt
> properties, they don't add much.
Sure, will do
> > + reset-gpios:
> > + maxItems: 1
> > + description: GPIO connected to active high RESET pin.
> > +
> > + vdd-supply:
> > + description: Regulator for 1.8V MIPI phy power.
> > +
> > + vcc-supply:
> > + description: Regulator for 3.3V IO power.
> > +
> > + ports:
> > + type: object
> > +
> > + properties:
> > + "#address-cells":
> > + const: 1
> > +
> > + "#size-cells":
> > + const: 0
> > +
> > + port@0:
> > + type: object
> > + additionalProperties: false
> > +
> > + description: |
> > + HDMI port for HDMI output
>
> The usual practice is to have the input ports first, followed by the
> output ports. Is there a reason not to follow that rule ?
I was not aware of this rule, is it documented somewhere?
Nevertheless will update..
> > +
> > + properties:
> > + reg:
> > + const: 0
> > +
> > + patternProperties:
> > + endpoint:
>
> If you want to use patternProperties, this should be
>
> "^endpoint@[0-9]+$":
>
> (including the quotes). Same below.
Ok
>
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + remote-endpoint: true
>
> How about
>
> remote-endpoint:
> $ref: /schemas/types.yaml#/definitions/phandle
>
> and the same below ?
Ok
>
> You also need a reg property if multiple endpoints are present.
Will update
>
> > +
> > + required:
> > + - reg
> > +
> > + port@1:
> > + type: object
> > + additionalProperties: false
> > +
> > + description: |
> > + MIPI port-1 for MIPI input
> > +
> > + properties:
> > + reg:
> > + const: 1
> > +
> > + patternProperties:
> > + endpoint:
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + remote-endpoint: true
> > +
> > + required:
> > + - reg
> > +
> > + port@2:
> > + type: object
> > + additionalProperties: false
> > +
> > + description: |
> > + MIPI port-2 for MIPI input
>
> A description of how the two MIPI inputs differ would be useful. In
> particular, are both mandatory, or is it valid to connect only one of
> the two ? If using a single input is supported, can it be either, or
> does it have to be the first one ? When using both inputs, what should
> be connected to them ?
Sure I will add details. port-1 is mandatory and port-2 optional. port-2
is used in combination with port-1 to drive displays for higher
resolution like 4k
> > +
> > + properties:
> > + reg:
> > + const: 2
> > +
> > + patternProperties:
> > + endpoint:
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + remote-endpoint: true
> > +
> > + required:
> > + - reg
> > +
> > + required:
> > + - "#address-cells"
> > + - "#size-cells"
> > + - port@0
> > + - port@1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - interrupts
> > + - vdd-supply
> > + - vcc-supply
> > + - ports
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/gpio/gpio.h>
> > + #include <dt-bindings/interrupt-controller/irq.h>
> > +
> > + i2c10 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + lt9611_codec: hdmi-bridge@3b {
>
> Please drop unused labels.
ok
>
> > + compatible = "lontium,lt9611";
> > + reg = <0x3b>;
> > +
> > + reset-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
> > + interrupts-extended = <&tlmm 84 IRQ_TYPE_EDGE_FALLING>;
> > +
> > + vdd-supply = <<9611_1v8>;
> > + vcc-supply = <<9611_3v3>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + lt9611_out: endpoint {
> > + remote-endpoint = <&hdmi_con>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + lt9611_a: endpoint {
> > + remote-endpoint = <&dsi0_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > + lt9611_b: endpoint {
> > + remote-endpoint = <&dsi1_out>;
> > + };
> > + };
> > + };
> > + };
> > + };
>
> It's customary to end YAML schema files with ... on a separate line.
Will update
Thanks for the review
--
~Vinod
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