Re: [RFC PATCH V0 5/7] dts: arm64: mt8183: Add FD nodes

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On Tue, 2019-03-26 at 05:57 +0800, Rob Herring wrote:
> On Wed, Feb 20, 2019 at 03:48:11PM +0800, Jerry-ch Chen wrote:
> > This patch adds nodes for Face Detection (FD) unit. FD is embedded
> > in Mediatek SoCs and works with the co-processor to perform face
> > detection on the input data and image and output detected face result.
> > 
> > Signed-off-by: Jerry-ch Chen <jerry-ch.chen@xxxxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 20 ++++++++++++++++++++
> >  1 file changed, 20 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > index b3d8dfd..45c7e2f 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > @@ -440,6 +440,26 @@
> >  			#clock-cells = <1>;
> >  		};
> >  
> > +		fd_smem: fd_smem {
> > +			compatible = "mediatek,fd_smem";
> > +			mediatek,larb = <&larb5>;
> > +			iommus = <&iommu M4U_PORT_CAM_IMGI>;
> 
> This doesn't look like an actual h/w device...
> 
Thank you for your comments.

fd_smem is not an actual h/w device and it will not be used in the
future. We are going to remove the fd smem driver and fd_smem node.

> > +		};
> > +
> > +		fd:fd@1502b000 {
> 
> space after the :  ^
will be fixed.

> > +			compatible = "mediatek,fd";
> 
> Should be SoC specific.
> 
will be fixed as "mediatek, mt8183-fd".

Thanks and Best Regards
Jerry
> > +			mediatek,larb = <&larb5>;
> > +			mediatek,vpu = <&vpu>;
> > +			iommus = <&iommu M4U_PORT_CAM_FDVT_RP>,
> > +				 <&iommu M4U_PORT_CAM_FDVT_WR>,
> > +				 <&iommu M4U_PORT_CAM_FDVT_RB>;
> > +			reg = <0 0x1502b000 0 0x1000>;
> > +			interrupts = <GIC_SPI 269 IRQ_TYPE_LEVEL_LOW>;
> > +			clocks = <&imgsys CLK_IMG_FDVT>;
> > +			clock-names = "FD_CLK_IMG_FD";
> > +			smem_device = <&fd_smem>;
> > +		};
> > +
> >  		vdecsys: syscon@16000000 {
> >  			compatible = "mediatek,mt8183-vdecsys", "syscon";
> >  			reg = <0 0x16000000 0 0x1000>;
> > -- 
> > 1.9.1
> > 





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