On Mon, Apr 15, 2019 at 01:43:54PM +0300, Georgi Djakov wrote:
> The Qualcomm QCS404 platform has several buses that could be controlled
> and tuned according to the bandwidth demand.
>
> Signed-off-by: Georgi Djakov <[email protected]>
> ---
>
> v2:
> - No changes.
>
> .../bindings/interconnect/qcom,qcs404.txt | 45 +++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
>
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> b/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> new file mode 100644
> index 000000000000..9befcd14a5b5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> @@ -0,0 +1,45 @@
> +Qualcomm QCS404 Network-On-Chip interconnect driver binding
> +-----------------------------------------------------------
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> + "qcom,qcs404-bimc"
> + "qcom,qcs404-pcnoc"
> + "qcom,qcs404-snoc"
> +- #interconnect-cells : should contain 1
> +
> +Optional properties :
> +clocks : list of phandles and specifiers to all interconnect bus clocks
> +clock-names : clock names should include both "bus_clk" and "bus_a_clk"
> +
> +Example:
> +
> +rpm-glink {
> + ...
> + rpm_requests: glink-channel {
> + ...
> + bimc: interconnect@0 {
Unit-address needs a 'reg' property. dtc should give you a warning
(maybe W=1 is still needed).
> + compatible = "qcom,qcs404-bimc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
> + <&rpmcc RPM_SMD_BIMC_A_CLK>;
> + };
> +
> + pnoc: interconnect@1 {
> + compatible = "qcom,qcs404-pcnoc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_PNOC_CLK>,
> + <&rpmcc RPM_SMD_PNOC_A_CLK>;
> + };
> +
> + snoc: interconnect@2 {
> + compatible = "qcom,qcs404-snoc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
> + <&rpmcc RPM_SMD_SNOC_A_CLK>;
> + };
> + };
> +};
