diff options
| author | Rob Herring (Arm) <robh@kernel.org> | 2026-03-06 14:31:02 -0600 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-03-27 09:52:27 -0400 |
| commit | d213404642af732fe73f35dfd1c7ed6801556362 (patch) | |
| tree | 192f441bae2562b1aa5d642934f29b14a15be522 | |
| parent | b426ee9833092e193d8ead13ceba467df14565be (diff) | |
arm64: dts: freescale: imx93: Add Ethos-U65 NPU and SRAM nodes
i.MX93 contains an Arm Ethos-U65 NPU. The NPU uses the internal SRAM for
temporary buffers. The SRAM is larger than 96KB, but that is all that is
available to non-secure world.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com> # Tested on a NXP
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx93.dtsi | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 5436b48b30e8..b9abe143cb56 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -43,6 +43,30 @@ }; }; }; + + 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_SYS_PLL_PFD1_DIV2>; + assigned-clock-rates = <800000000>, <133000000>; + }; + }; + + sram: sram@20480000 { + compatible = "mmio-sram"; + reg = <0x0 0x20480000 0x0 0x18000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x20480000 0x18000>; + }; }; &aips1 { |