RE: [Patch v2 15/15] arm64: dts: fsd: Add MFC related DT enteries

[Smitha T Murthy]

> -----Original Message-----
> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxx]
> Sent: Wednesday, September 7, 2022 4:56 PM
> To: Smitha T Murthy <smitha.t@xxxxxxxxxxx>; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; linux-media@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx
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> pankaj.dubey@xxxxxxxxxxx; linux-fsd@xxxxxxxxx;
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> Subject: Re: [Patch v2 15/15] arm64: dts: fsd: Add MFC related DT enteries
> 
> On 07/09/2022 08:47, Smitha T Murthy wrote:
> > Add MFC DT node and reserve memory node for MFC usage.
> >
> > Cc: linux-fsd@xxxxxxxxx
> > Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/tesla/fsd-evb.dts |  4 ++++
> >  arch/arm64/boot/dts/tesla/fsd.dtsi    | 22 ++++++++++++++++++++++
> >  2 files changed, 26 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> > index 1db6ddf03f01..17bb048f9d47 100644
> > --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> > +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> > @@ -30,6 +30,10 @@
> >  	};
> >  };
> >
> > +&clock_mfc {
> > +	status = "okay";
> 
> clock node was never disabled, so there is no need to enable it.
> 

Ok I will remove it in the next series.
 
> > +};
> > +
> >  &fin_pll {
> >  	clock-frequency = <24000000>;
> >  };
> > diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi
> b/arch/arm64/boot/dts/tesla/fsd.dtsi
> > index f35bc5a288c2..bca0ba030ee7 100644
> > --- a/arch/arm64/boot/dts/tesla/fsd.dtsi
> > +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
> > @@ -340,6 +340,18 @@
> >  		#clock-cells = <0>;
> >  	};
> >
> > +	reserved-memory {
> > +		#address-cells = <2>;
> > +		#size-cells = <2>;
> > +		ranges;
> > +
> > +		mfc_left: region@84000000 {
> > +			compatible = "shared-dma-pool";
> > +			no-map;
> > +			reg = <0 0x84000000 0 0x8000000>;
> > +		};
> > +	};
> > +
> >  	soc: soc@0 {
> >  		compatible = "simple-bus";
> >  		#address-cells = <2>;
> > @@ -832,6 +844,16 @@
> >  			clock-names = "fin_pll", "mct";
> >  		};
> >
> > +		mfc: mfc@12880000 {
> > +			compatible = "samsung,fsd-mfc";
> > +			reg = <0x0 0x12880000 0x0 0x10000>;
> > +			interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
> > +			clock-names = "mfc";
> > +			clocks = <&clock_mfc MFC_MFC_IPCLKPORT_ACLK>;
> > +			memory-region = <&mfc_left>;
> > +			status = "okay";
> 
> Okay is by default, don't add it.
> 

I will remove this in the next series.

> > +		};
> > +
> >  		ufs: ufs@15120000 {
> >  			compatible = "tesla,fsd-ufs";
> >  			reg = <0x0 0x15120000 0x0 0x200>,  /* 0: HCI standard
> */
> 
> 
> Best regards,
> Krzysztof

Thank you for the review.

Regards,
Smitha