Re: [PATCH RFC 05/14] dt-bindings/interrupt-controller: pdc: add SPI config register

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Thu, Aug 29, 2019 at 8:47 PM Lina Iyer <ilina@xxxxxxxxxxxxxx> wrote:

> +- qcom,scm-spi-cfg:
> +       Usage: optional
> +       Value type: <bool>
> +       Definition: Specifies if the SPI configuration registers have to be
> +                   written from the firmware.
> +
>  Example:
>
>         pdc: interrupt-controller@b220000 {
>                 compatible = "qcom,sdm845-pdc";
> -               reg = <0xb220000 0x30000>;
> +               reg = <0xb220000 0x30000>, <0x179900f0 0x60>;
>                 qcom,pdc-ranges = <0 512 94>, <94 641 15>, <115 662 7>;
>                 #interrupt-cells = <2>;
>                 interrupt-parent = <&intc>;
>                 interrupt-controller;
> +               qcom,scm-spi-cfg;

You can probably drop this bool if you just give names to the registers.

Like
reg = <0xb220000 0x30000>, <0x179900f0 0x60>;
reg-names = "gic", "pdc";

Then jus check explicitly for a "pdc" register and in that case
initialize the PDC.

Yours,
Linus Walleij