Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node

From: Bjorn Andersson <[email-masked]>
Date: Tue, 10 Dec 2019 23:20:53 -0800

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 <[email-masked]>
> ---
> 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?

> ---
>  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.

> +};
> +
>  /* 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
> 
> 
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