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From: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	cros-qcom-dts-watchers@chromium.org,
	linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 6/6] arm64: dts: qcom: sc7180: Add QSPI memory interconnect path
Date: Mon, 30 Mar 2026 10:14:40 +0530	[thread overview]
Message-ID: <f0098f5b-1ce5-474a-9249-bb399be46a55@oss.qualcomm.com> (raw)
In-Reply-To: <xxylp75rlr2r62ehqxs5x7f2gy6gezbkuil3scrql6x5o5uowm@myb3riehntmu>



On 3/25/2026 2:24 AM, Dmitry Baryshkov wrote:
> On Tue, Mar 24, 2026 at 06:43:23PM +0530, Viken Dadhaniya wrote:
>> Add the missing QSPI-to-memory interconnect path alongside the existing
>> configuration path. Without this path, the interconnect framework cannot
>> correctly vote for the bandwidth required by QSPI DMA data transfers.
>>
>> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
>> ---
>>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 ++++---
>>  1 file changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> index 45b9864e3304..7093b39e1509 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>> @@ -2864,9 +2864,10 @@ qspi: spi@88dc000 {
>>  			clocks = <&gcc GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
>>  				 <&gcc GCC_QSPI_CORE_CLK>;
>>  			clock-names = "iface", "core";
>> -			interconnects = <&gem_noc MASTER_APPSS_PROC 0
>> -					&config_noc SLAVE_QSPI_0 0>;
>> -			interconnect-names = "qspi-config";
>> +			interconnects = <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QSPI_0 0>,
>> +					<&aggre1_noc MASTER_QSPI 0 &mc_virt SLAVE_EBI1 0>;
> 
> The same, please use QCOM_ICC_TAGs

Sure, I will add it in v2.

> 
>> +			interconnect-names = "qspi-config",
>> +					     "qspi-memory";
>>  			power-domains = <&rpmhpd SC7180_CX>;
>>  			operating-points-v2 = <&qspi_opp_table>;
>>  			status = "disabled";
>>
>> -- 
>> 2.34.1
>>
> 


      reply	other threads:[~2026-03-30  4:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-24 13:13 [PATCH 0/6] Add QSPI support for QCS615 and improve interconnect handling Viken Dadhaniya
2026-03-24 13:13 ` [PATCH v1 1/6] spi: dt-bindings: qcom-qspi: Add QCS615 compatible Viken Dadhaniya
2026-03-25 11:12   ` Krzysztof Kozlowski
2026-03-26  9:07     ` Konrad Dybcio
2026-03-26  9:10       ` Krzysztof Kozlowski
2026-03-24 13:13 ` [PATCH v1 2/6] spi: spi-qcom-qspi: Add interconnect support for memory path Viken Dadhaniya
2026-03-24 16:24   ` Mark Brown
2026-03-30  4:43     ` Viken Dadhaniya
2026-03-24 13:13 ` [PATCH v1 3/6] arm64: dts: qcom: talos: Add QSPI support Viken Dadhaniya
2026-03-24 20:51   ` Dmitry Baryshkov
2026-03-25  9:32     ` Konrad Dybcio
2026-03-30 11:23       ` Viken Dadhaniya
2026-03-30 13:19         ` Konrad Dybcio
2026-03-24 20:52   ` Dmitry Baryshkov
2026-03-25 11:13   ` Krzysztof Kozlowski
2026-03-30  4:40     ` Viken Dadhaniya
2026-03-24 13:13 ` [PATCH v1 4/6] arm64: dts: qcom: qcs615-ride: enable QSPI and NOR flash Viken Dadhaniya
2026-03-24 20:53   ` Dmitry Baryshkov
2026-03-24 13:13 ` [PATCH v1 5/6] arm64: dts: qcom: kodiak: Add QSPI memory interconnect path Viken Dadhaniya
2026-03-24 20:54   ` Dmitry Baryshkov
2026-03-30  4:44     ` Viken Dadhaniya
2026-03-24 13:13 ` [PATCH v1 6/6] arm64: dts: qcom: sc7180: " Viken Dadhaniya
2026-03-24 20:54   ` Dmitry Baryshkov
2026-03-30  4:44     ` Viken Dadhaniya [this message]

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