Re: [PATCH V4] arm64: dts: imx8mp: add NoC node

From: Shawn Guo
Date: Fri Jul 08 2022 - 04:21:39 EST


On Thu, Jul 07, 2022 at 07:47:57AM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> Add i.MX8MP NoC node to make the interconnect i.MX8MP driver could work.
> Currently dynamic frequency scaling of the i.MX8MP NoC has not been
> supported, only NoC initial settings are configured by interconnect
> driver.
>
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
>
> V4:
> Georgi has merged the V3 driver and bindings patches. So only resend
> this patch. Per Georgi's comments:
> - Drop syscon from compatbile
> - Drop the header inclusion
>
> Seems I not see this patch in patchwork or mailist, maybe sent failed.
> So gave a resend of V4.
>
> V3:
> https://lore.kernel.org/linux-arm-kernel/20220703091132.1412063-1-peng.fan@xxxxxxxxxxx/
>
> I not list the full change log, since this is only a minor patch
>
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index eb2d516278eb..42ed8ee08548 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1019,6 +1019,27 @@ eqos: ethernet@30bf0000 {
> };
> };
>
> + noc: interconnect@32700000 {
> + compatible = "fsl,imx8mp-noc", "fsl,imx8m-noc";
> + reg = <0x32700000 0x100000>;
> + clocks = <&clk IMX8MP_CLK_NOC>;
> + #interconnect-cells = <1>;
> +

This newline is not really necessary. Dropped it and applied patch.

Shawn

> + operating-points-v2 = <&noc_opp_table>;
> +
> + noc_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-200M {
> + opp-hz = /bits/ 64 <200000000>;
> + };
> +
> + opp-1000M {
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> + };
> + };
> +
> aips4: bus@32c00000 {
> compatible = "fsl,aips-bus", "simple-bus";
> reg = <0x32c00000 0x400000>;
> --
> 2.25.1
>