Re: [PATCH 1/4] dt-binding: gpio: Add Qualcomm SMSM device tree documentation

From: Stanimir Varbanov
Date: Tue Sep 01 2015 - 04:19:12 EST


On 08/27/2015 08:37 PM, Bjorn Andersson wrote:
> This documents a device tree binding for exposing the Qualcomm Shared
> Memory State Machine as a set of gpio- and interrupt-controllers.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/gpio/qcom,smsm.txt | 114 +++++++++++++++++++++

<snip>

> += EXAMPLE
> +The following example shows the SMEM setup for controlling properties of the
> +wireless processor, defined from the 8974 apps processor's point-of-view. It
> +encompasses one outbound entry and the outgoing interrupt for the wireless
> +processor.
> +
> +smsm {
> + compatible = "qcom,smsm";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + qcom,ipc-3 = <&apcs 8 19>;

Can we use something more descriptive here, for example

qcom,ipc-rpm = <&apcs 8 19>;

and replace these magic numbers with defines?

> +
> + apps_smsm: apps@0 {
> + reg = <0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + wcnss_smsm: wcnss@7 {
> + reg = <7>;
> + interrupts = <0 144 1>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +};


--
regards,
Stan
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