Re: [PATCH] arm64: dts: imx8qm: add smmu node

[Shawn Guo]

On Sat, Aug 07, 2021 at 06:45:17PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
> 
> i.MX8QM has an iommu unit: SMMU-V2(mmu-500), add it.
> 
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/imx8qm.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> index aebbe2b84aa1..b8ffd5be6a3e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> @@ -165,6 +165,22 @@ iomuxc: pinctrl {
>  
>  	};
>  
> +	smmu: iommu@51400000 {
> +		compatible = "arm,mmu-500";
> +		reg = <0 0x51400000 0 0x40000>;
> +		#iommu-cells = <2>;
> +		#global-interrupts = <1>;
> +		interrupts = <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>, <0 32 4>, <0 32 4>, <0 32 4>,
> +			     <0 32 4>;

Use macro to make it more readable.

Shawn

> +	};
> +
>  	/* sorted in register address */
>  	#include "imx8-ss-img.dtsi"
>  	#include "imx8-ss-dma.dtsi"
> -- 
> 2.30.0
>