linux-kernel - Re: [PATCH v5] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node

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Date:   Mon, 3 Feb 2020 09:35:00 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rakesh Pillai <pillair@...eaurora.org>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v5] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module
 device node

On Tue 28 Jan 23:00 PST 2020, 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@...eaurora.org>
> ---
>  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 388f50a..167f68ac 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -287,6 +287,11 @@
>  	vdda-pll-supply = <&vreg_l4a_0p8>;
>  };
>  
> +&wifi {
> +	status = "okay";
> +	qcom,msa-fixed-perm;
> +};
> +
>  /* PINCTRL - additions to nodes defined in sc7180.dtsi */
>  
>  &qspi_clk {
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 8011c5f..0a00c94 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -75,6 +75,12 @@
>  			reg = <0x0 0x80900000 0x0 0x200000>;
>  			no-map;
>  		};
> +
> +		wlan_fw_mem: memory@...00000 {
> +			compatible = "removed-dma-pool";

Sorry for not spotting this earlier, the "removed-dma-pool" compatible
is a downstream thing and isn't defined upstream.

> +                     no-map;
> +                     reg = <0 0x93900000 0 0x200000>;

If you swap the order of no-map and reg in this node it will look like
all the others.


Apart from that the patch looks good.

Regards,
Bjorn

> +		};
>  	};
>  
>  	cpus {
> @@ -1490,6 +1496,28 @@
>  
>  			#freq-domain-cells = <1>;
>  		};
> +
> +		wifi: wifi@...00000 {
> +			compatible = "qcom,wcn3990-wifi";
> +			reg = <0 0x18800000 0 0x800000>;
> +			reg-names = "membase";
> +			iommus = <&apps_smmu 0xc0 0x1>;
> +			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";
> +		};
>  	};
>  
>  	thermal-zones {
> -- 
> 2.7.4
>