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From:   <pillair@codeaurora.org>
To:     "'Bjorn Andersson'" <bjorn.andersson@linaro.org>
Cc:     <devicetree@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
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References: <0101016ed018cde9-da3dc3e0-de6e-4b18-9add-bc6f88511ab2-000000@us-west-2.amazonses.com> <20191211072053.GH3143381@builder>
In-Reply-To: <20191211072053.GH3143381@builder>
Subject: RE: [PATCH] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node
Date:   Thu, 19 Dec 2019 11:27:20 +0530
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I will raise the next patchset with the comments addressed.

> -----Original Message-----
> From: Bjorn Andersson <bjorn.andersson@linaro.org>
> Sent: Wednesday, December 11, 2019 12:51 PM
> To: Rakesh Pillai <pillair@codeaurora.org>
> Cc: devicetree@vger.kernel.org; linux-arm-msm@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org
> Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module
> device node
> 
> On Wed 04 Dec 00:48 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@codeaurora.org>
> > ---
> > 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/)
> 
> Why?

The mentioned series of patchset brings the DTSI for sc7180.
Hence the addition of wifi node is dependent on this series
https://lore.kernel.org/patchwork/patch/1150367/


> 
> > ---
> >  arch/arm64/boot/dts/qcom/sc7180-idp.dts |  4 ++++
> >  arch/arm64/boot/dts/qcom/sc7180.dtsi    | 27
> +++++++++++++++++++++++++++
> >  2 files changed, 31 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > index 189254f..8a6a760 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > @@ -248,6 +248,10 @@
> >  	status = "okay";
> >  };
> >
> > +&wifi {
> > +	status = "okay";
> 
> Please conclude on the representation of the "skip-hyp-mem-assign" and
> add it here, rather than in a subsequent patch - which implies that this
> patch doesn't work on its own.


Sure, I will update the next patchset.


> 
> > +};
> > +
> >  /* 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..40c9971 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: wlan_fw_region@93900000 {
> 
> wlan_fw_mem: memory@93900000 {
> 
> > +			compatible = "removed-dma-pool";
> > +			no-map;
> > +			reg = <0 0x93900000 0 0x200000>;
> > +		};
> >  	};
> >
> >  	cpus {
> > @@ -1119,6 +1125,27 @@
> >  				#clock-cells = <1>;
> >  			};
> >  		};
> > +
> > +		wifi: wifi@18800000 {
> > +			status = "disabled";
> > +			compatible = "qcom,wcn3990-wifi";
> > +			reg = <0 0x18800000 0 0x800000>;
> > +			reg-names = "membase";
> > +			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>;
> 
> No iommus in sc7180?
> 
> Regards,
> Bjorn
> 
> > +		};
> >  	};
> >
> >  	timer {
> > --
> > 2.7.4
> >
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel