[PATCH 3/5] arm64: dts: mt8186: Add IOMMU and SMI nodes

Allen-KH Cheng (程冠勳) Allen-KH.Cheng at mediatek.com
Tue Sep 27 06:53:02 PDT 2022


Hi Angelo,

On Tue, 2022-09-27 at 15:40 +0200, AngeloGioacchino Del Regno wrote:
> Il 23/09/22 15:11, Allen-KH Cheng ha scritto:
> > Add iommu and smi nodes for mt8186 SoC.
> > 
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng at mediatek.com>
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8186.dtsi | 173
> > +++++++++++++++++++++++
> >   1 file changed, 173 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > index 833e7037fe22..68f06bef88f3 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> > @@ -7,6 +7,7 @@
> >   #include <dt-bindings/clock/mt8186-clk.h>
> >   #include <dt-bindings/interrupt-controller/arm-gic.h>
> >   #include <dt-bindings/interrupt-controller/irq.h>
> > +#include <dt-bindings/memory/mt8186-memory-port.h>
> >   #include <dt-bindings/pinctrl/mt8186-pinfunc.h>
> >   #include <dt-bindings/power/mt8186-power.h>
> >   #include <dt-bindings/phy/phy.h>
> > @@ -944,24 +945,113 @@
> >   			#reset-cells = <1>;
> >   		};
> >   
> > +		smi_common: smi at 14002000 {
> > +			compatible = "mediatek,mt8186-smi-common";
> > +			reg = <0 0x14002000 0 0x1000>;
> > +			clocks = <&mmsys CLK_MM_SMI_COMMON>, <&mmsys
> > CLK_MM_SMI_COMMON>,
> > +				 <&mmsys CLK_MM_SMI_GALS>, <&mmsys
> > CLK_MM_SMI_GALS>;
> > +			clock-names = "apb", "smi", "gals0", "gals1";
> > +			power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
> > +		};
> > +
> > +		larb0: smi at 14003000 {
> > +			compatible = "mediatek,mt8186-smi-larb";
> > +			reg = <0 0x14003000 0 0x1000>;
> > +			mediatek,larb-id = <0>;
> > +			mediatek,smi = <&smi_common>;
> 
> Order by name after reg please...
> 
> compatible
> reg
> clocks
> clock-names
> mediatek,larb-id
> mediatek,smi
> power-domains
> 

Ok, no problem.

In the next version, I will solve this.

Thanks,
Allen


> > +			clocks = <&mmsys CLK_MM_SMI_COMMON>,
> > +				 <&mmsys CLK_MM_SMI_COMMON>;
> > +			clock-names = "apb", "smi";
> > +			power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
> > +		};
> > +
> > +		larb1: smi at 14004000 {
> > +			compatible = "mediatek,mt8186-smi-larb";
> > +			reg = <0 0x14004000 0 0x1000>;
> > +			mediatek,larb-id = <1>;
> > +			mediatek,smi = <&smi_common>;
> > +			clocks = <&mmsys CLK_MM_SMI_COMMON>,
> > +				 <&mmsys CLK_MM_SMI_COMMON>;
> > +			clock-names = "apb", "smi";
> > +			power-domains = <&spm MT8186_POWER_DOMAIN_DIS>;
> > +		};
> > +
> > +		iommu_mm: iommu at 14016000 {
> > +			compatible = "mediatek,mt8186-iommu-mm";
> > +			reg = <0 0x14016000 0 0x1000>;
> > +			mediatek,larbs = <&larb0 &larb1 &larb2 &larb4
> > +					  &larb7 &larb8 &larb9 &larb11
> > +					  &larb13 &larb14 &larb16
> > &larb17
> > +					  &larb19 &larb20>;
> > +			interrupts = <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH
> > 0>;
> > +			clocks = <&mmsys CLK_MM_SMI_IOMMU>;
> > +			clock-names = "bclk";
> 
> clocks
> clock-names
> interrupts
> mediatek,larbs
> power-domains
> 
> ...etc :-)
> 
> P.S.: Same comment for the other commits, too!
> 
> Regards,
> Angelo
> 
> 


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