linux-kernel - Re: [PATCH 1/2] ARM: dts: qcom: sdx65: add IPA information

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Date:   Sat, 25 Mar 2023 12:14:27 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Alex Elder <elder@...aro.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, andersson@...nel.org,
        agross@...nel.org, konrad.dybcio@...aro.org
Cc:     quic_rohiagar@...cinc.com, caleb.connolly@...aro.org,
        mka@...omium.org, evgreen@...omium.org, quic_cpratapa@...cinc.com,
        quic_avuyyuru@...cinc.com, quic_jponduru@...cinc.com,
        quic_subashab@...cinc.com, elder@...nel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: qcom: sdx65: add IPA information

On 24/03/2023 21:15, Alex Elder wrote:
> Add IPA-related nodes and definitions to "sdx65.dtsi".  The SMP2P
> nodes (ipa_smp2p_out and ipa_smp2p_in) are already present.
> 
> Enable IPA in "sdx65-mtp.dts"; this GSI firmware is loaded by Trust
> Zone on this platform.
> 
> Tested-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
> Signed-off-by: Alex Elder <elder@...aro.org>
> ---
>  arch/arm/boot/dts/qcom-sdx65-mtp.dts |  5 ++++
>  arch/arm/boot/dts/qcom-sdx65.dtsi    | 38 ++++++++++++++++++++++++++++
>  2 files changed, 43 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx65-mtp.dts b/arch/arm/boot/dts/qcom-sdx65-mtp.dts
> index ed98c83c141fc..72e25de0db5fc 100644
> --- a/arch/arm/boot/dts/qcom-sdx65-mtp.dts
> +++ b/arch/arm/boot/dts/qcom-sdx65-mtp.dts
> @@ -245,6 +245,11 @@ &blsp1_uart3 {
>  	status = "okay";
>  };
>  
> +&ipa {
> +	qcom,gsi-loader = "skip";
> +	status = "okay";
> +};
> +
>  &qpic_bam {
>  	status = "okay";
>  };
> diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
> index 192f9f94bc8b4..360d6dc144811 100644
> --- a/arch/arm/boot/dts/qcom-sdx65.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
> @@ -11,6 +11,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/power/qcom-rpmpd.h>
>  #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/interconnect/qcom,sdx65.h>
>  
>  / {
>  	#address-cells = <1>;
> @@ -299,6 +300,43 @@ tcsr_mutex: hwlock@...0000 {
>  			#hwlock-cells = <1>;
>  		};
>  
> +		ipa: ipa@...4000 {
> +			compatible = "qcom,sdx65-ipa";
> +
> +			iommus = <&apps_smmu 0x5e0 0x0>,
> +				 <&apps_smmu 0x5e2 0x0>;
> +			reg = <0x3f40000 0x10000>,
> +			      <0x3f50000 0x5000>,
> +			      <0x3e04000 0xfc000>;
> +			reg-names = "ipa-reg",
> +				    "ipa-shared",
> +				    "gsi";
> +
> +			interrupts-extended = <&intc GIC_SPI 241 IRQ_TYPE_EDGE_RISING>,
> +					      <&intc GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&ipa_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> +					      <&ipa_smp2p_in 1 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "ipa",
> +					   "gsi",
> +					   "ipa-clock-query",
> +					   "ipa-setup-ready";

These look misaligned.

With above:

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>


Best regards,
Krzysztof