RE: [PATCH] arm64: dts: freescale: imx93: Add Ethos-U65 NPU and SRAM nodes
From: Peng Fan (OSS)
Date: Thu Feb 26 2026 - 19:52:52 EST
> Subject: Re: [PATCH] arm64: dts: freescale: imx93: Add Ethos-U65 NPU
[...]
> > >+ soc@0 {
> > >+ npu@4a900000 {
> > >+ compatible = "fsl,imx93-npu", "arm,ethos-u65";
> > >+ reg = <0x4a900000 0x1000>;
> > >+ interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
> > >+ power-domains = <&mlmix>;
> > >+ clocks = <&clk IMX93_CLK_ML>, <&clk
> IMX93_CLK_ML_APB>;
> > >+ clock-names = "core", "apb";
> > >+ sram = <&sram>;
> > >+ assigned-clocks = <&clk IMX93_CLK_ML>, <&clk
> IMX93_CLK_ML_APB>;
> > >+ assigned-clock-parents = <&clk
> IMX93_CLK_SYS_PLL_PFD1>, <&clk IMX93_CLK_24M>;
> > >+ assigned-clock-rates = <800000000>,
> > >+ <24000000>;
> >
> > APB could run at 133.3MHz.
>
> 24MHz does seem a bit slow. Do you know what parent would that be?
Please try below:
Parent: <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
Rate: <133000000>;
Regards
Peng.
>
> Rob