linux-kernel - Re: [PATCH v6] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node

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Message-ID: <0ae6edd12623c35600d598a219322f44@codeaurora.org>
Date:   Fri, 07 Feb 2020 12:11:03 +0530
From:   Sibi Sankar <sibis@...eaurora.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,
        linux-arm-msm-owner@...r.kernel.org
Subject: Re: [PATCH v6] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module
 device node

Hey Rakesh,

On 2020-02-04 18:48, 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    | 27 
> +++++++++++++++++++++++++++
>  2 files changed, 32 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";

I can see that wlan needs to
add the SIDs 0xc2, 0xc3 as well.
Without that I expect wlan will
not come up.

> +	qcom,msa-fixed-perm;

are you sure this is required when
used in conjunction with coreboot?

> +};
> +
>  /* 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..e3e8610 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -75,6 +75,11 @@
>  			reg = <0x0 0x80900000 0x0 0x200000>;
>  			no-map;
>  		};
> +
> +		wlan_fw_mem: memory@...00000 {
> +			reg = <0 0x93900000 0 0x200000>;
> +			no-map;
> +		};
>  	};
> 
>  	cpus {
> @@ -1490,6 +1495,28 @@
> 
>  			#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 {

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