Re: [PATCH v1 6/6] arm64: dts: qcom: sc7180: Add QSPI memory interconnect path
From: Dmitry Baryshkov
Date: Tue Mar 24 2026 - 16:54:59 EST
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@xxxxxxxxxxxxxxxx>
> ---
> 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
> + interconnect-names = "qspi-config",
> + "qspi-memory";
> power-domains = <&rpmhpd SC7180_CX>;
> operating-points-v2 = <&qspi_opp_table>;
> status = "disabled";
>
> --
> 2.34.1
>
--
With best wishes
Dmitry