RE: [PATCH v3] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node

[pillair]

Hi Bjorn,

Thanks for the comments.
I will post an updated patchset v4 after the patch bringing-in
"qcom,msa-fixed-perm" is merged/approved.
I will address all the comments together.

Thanks,
Rakesh Pillai.

> -----Original Message-----
> From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Sent: Sunday, December 29, 2019 8:44 AM
> To: Rakesh Pillai <pillair@xxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx; linux-arm-msm@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH v3] arm64: dts: qcom: sc7180: Add WCN3990 WLAN
> module device node
> 
> On Tue 24 Dec 01:59 PST 2019, Rakesh Pillai wrote:
> 
> > Add device node for the ath10k SNOC platform driver probe
> > and add resources required for WCN3990 on sc7180 soc.
> >
> > Signed-off-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxx>
> > ---
> > This change is dependent on the below set of changes
> > arm64: dts: sc7180: Add qupv3_0 and qupv3_1
> (https://lore.kernel.org/patchwork/patch/1150367/)
> 
> It would be clearer if you linked to the series instead, but it doesn't
> matter at this point, this is merged already.
> 
> What doesn't seem to be merged is the addition of the
> qcom,msa_fixed_perm property, so I presume I need to hold off on merging
> this?
> 
> > ---
> >  arch/arm64/boot/dts/qcom/sc7180-idp.dts |  5 +++++
> >  arch/arm64/boot/dts/qcom/sc7180.dtsi    | 28
> ++++++++++++++++++++++++++++
> >  2 files changed, 33 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > index 189254f..b2ca143f 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > @@ -248,6 +248,11 @@
> >  	status = "okay";
> >  };
> >
> > +&wifi {
> > +	status = "okay";
> > +	qcom,msa_fixed_perm;
> 
> As remarked by Rob, properties should be using - instead of _.
> 
> > +};
> > +
> >  /* PINCTRL - additions to nodes defined in sc7180.dtsi */
> >
> >  &qup_i2c2_default {
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > index 666e9b9..7efb97f 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > @@ -42,6 +42,12 @@
> >  			compatible = "qcom,cmd-db";
> >  			no-map;
> >  		};
> > +
> > +		wlan_fw_mem: memory@93900000 {
> > +			compatible = "removed-dma-pool";
> > +			no-map;
> > +			reg = <0 0x93900000 0 0x200000>;
> > +		};
> >  	};
> >
> >  	cpus {
> > @@ -1119,6 +1125,28 @@
> >  				#clock-cells = <1>;
> >  			};
> >  		};
> > +
> > +		wifi: wifi@18800000 {
> > +			compatible = "qcom,wcn3990-wifi";
> > +			reg = <0 0x18800000 0 0x800000>;
> > +			reg-names = "membase";
> > +			iommus = <&apps_smmu 0xC0 0x1>;
> 
> Lowercase 'c' please.
> 
> Regards,
> Bjorn
> 
> > +			interrupts =
> > +				<GIC_SPI 414 IRQ_TYPE_LEVEL_HIGH /* CE0
> */ >,
> > +				<GIC_SPI 415 IRQ_TYPE_LEVEL_HIGH /* CE1
> */ >,
> > +				<GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH /* CE2
> */ >,
> > +				<GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH /* CE3
> */ >,
> > +				<GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH /* CE4
> */ >,
> > +				<GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH /* CE5
> */ >,
> > +				<GIC_SPI 420 IRQ_TYPE_LEVEL_HIGH /* CE6
> */ >,
> > +				<GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH /* CE7
> */ >,
> > +				<GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH /* CE8
> */ >,
> > +				<GIC_SPI 423 IRQ_TYPE_LEVEL_HIGH /* CE9
> */ >,
> > +				<GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH /* CE10
> */>,
> > +				<GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH /* CE11
> */>;
> > +			memory-region = <&wlan_fw_mem>;
> > +			status = "disabled";
> > +		};
> >  	};
> >
> >  	timer {
> > --
> > 2.7.4
> >
> >
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