On Thu 21 Sep 09:49 PDT 2017, Georgi Djakov wrote:
> Add device-tree binding documentation for the Qualcom APCS clock
> controller. This clock controller is a mux and half-integer divider
> and provides the clock for the application CPU.
>
> Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>
> ---
> .../devicetree/bindings/clock/qcom,apcs.txt | 27 ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,apcs.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,apcs.txt b/Documentation/devicetree/bindings/clock/qcom,apcs.txt
> new file mode 100644
> index 000000000000..8083bcc33ebe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,apcs.txt
> @@ -0,0 +1,27 @@
> +Qualcomm APCS Clock Controller Binding
> +--------------------------------------
> +The APCS hardware block provides a combined mux and half-integer divider
> +functionality. It is used for a main CPU clock mux on MSM8916 platforms.
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> +
> + "qcom,msm8916-apcs-clk"
> +
> +- clocks : shall be the phandle to the main input CPU PLL clock
> +
> +- #clock-cells : must be set to <0>
> +
> +Example:
> +
> + apcs: mailbox@b011000 {
This node describes the "apcs kpss global"-block.
> + compatible = "qcom,msm8916-apcs-kpss-global";
> + reg = <0xb011000 0x1000>;
> + #mbox-cells = <1>;
> +
> + apcs_clk: apcs_clk {
This node describes that your implementation is split in two different
drivers.
In other words, I think you should add the two clock properties to the
apcs node, rather than adding a subnode. I also think you can make the
mailbox driver implement the clock given the 8916 compatible.
> + compatible = "qcom,msm8916-apcs-clk";
> + clocks = <&a53pll>;
> + #clock-cells = <0>;
> + };
> + };
Regards,
Bjorn
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