On 8/26/19 18:48, Jorge Ramirez-Ortiz wrote:
> When the APCS clock is registered (platform dependent), it retrieves
> its parent names from hardcoded values in the driver.
> 
> The following commit allows the DT node to provide such clock names to
> the platform data based clock driver therefore avoiding having to
> explicitly embed those names in the clock driver source code.
> 
> Co-developed-by: Niklas Cassel <niklas.cas...@linaro.org>
> Signed-off-by: Niklas Cassel <niklas.cas...@linaro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-or...@linaro.org>
> Reviewed-by: Rob Herring <r...@kernel.org>
> Reviewed-by: Bjorn Andersson <bjorn.anders...@linaro.org>
> ---
>  .../mailbox/qcom,apcs-kpss-global.txt         | 24 ++++++++++++++++---
>  1 file changed, 21 insertions(+), 3 deletions(-)
> 
> diff --git 
> a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt 
> b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> index 1232fc9fc709..b69310322b09 100644
> --- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> +++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> @@ -18,10 +18,11 @@ platforms.
>       Usage: required
>       Value type: <prop-encoded-array>
>       Definition: must specify the base address and size of the global block
> +
>  - clocks:
> -     Usage: required if #clocks-cells property is present
> -     Value type: <phandle>
> -     Definition: phandle to the input PLL, which feeds the APCS mux/divider
> +     Usage: required if #clock-names property is present
> +     Value type: <phandle array>
> +     Definition: phandles to the two parent clocks of the clock driver.
>  
>  - #mbox-cells:
>       Usage: required
> @@ -33,6 +34,12 @@ platforms.
>       Value type: <u32>
>       Definition: as described in clock.txt, must be 0
>  
> +- clock-names:
> +     Usage: required if the platform data based clock driver needs to
> +     retrieve the parent clock names from device tree.
> +     This will requires two mandatory clocks to be defined.
> +     Value type: <string-array>
> +     Definition: must be "aux" and "pll"
>  
>  = EXAMPLE
>  The following example describes the APCS HMSS found in MSM8996 and part of 
> the
> @@ -65,3 +72,14 @@ Below is another example of the APCS binding on MSM8916 
> platforms:
>               clocks = <&a53pll>;
>               #clock-cells = <0>;
>       };
> +
> +Below is another example of the APCS binding on QCS404 platforms:
> +
> +     apcs_glb: mailbox@b011000 {
> +             compatible = "qcom,qcs404-apcs-apps-global", "syscon";
> +             reg = <0x0b011000 0x1000>;
> +             #mbox-cells = <1>;
> +             clocks = <&gcc GCC_GPLL0_AO_OUT_MAIN>, <&apcs_hfpll>;
> +             clock-names = "aux", "pll";
> +             #clock-cells = <0>;
> +     };
> 

just a quick follow up, is this series being picked-up?

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