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Date: Tue, 2 Jan 2024 22:17:45 +0100
From: Marijn Suijten <marijn.suijten@...ainline.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>, Sibi Sankar <quic_sibis@...cinc.com>,
Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Wesley Cheng <quic_wcheng@...cinc.com>, Alexey Minnekhanov <alexeymin@...tmarketos.org>,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
linux-usb@...r.kernel.org, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH v2 06/14] arm64: dts: qcom: sdm630: Drop RPM bus clocks
On 2023-09-12 15:31:44, Konrad Dybcio wrote:
> These clocks are now handled from within the icc framework and are
> no longer registered from within the CCF. Remove them.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
This makes the USB and IOMMUs probe again on SDM630 devices like the Sony Xperia
XA2 Ultra. Thanks!
Reviewed-by: Marijn Suijten <marijn.suijten@...ainline.org>
+cc Dmitry who was talking to me about this SoC.
> ---
> arch/arm64/boot/dts/qcom/sdm630.dtsi | 49 +++++++-----------------------------
> 1 file changed, 9 insertions(+), 40 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index ec6003212c4d..f11d2a07508c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -605,9 +605,6 @@ bimc: interconnect@...8000 {
> compatible = "qcom,sdm660-bimc";
> reg = <0x01008000 0x78000>;
> #interconnect-cells = <1>;
> - clock-names = "bus", "bus_a";
> - clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
> - <&rpmcc RPM_SMD_BIMC_A_CLK>;
> };
>
> restart@...c000 {
> @@ -619,28 +616,17 @@ cnoc: interconnect@...0000 {
> compatible = "qcom,sdm660-cnoc";
> reg = <0x01500000 0x10000>;
> #interconnect-cells = <1>;
> - clock-names = "bus", "bus_a";
> - clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
> - <&rpmcc RPM_SMD_CNOC_A_CLK>;
> };
>
> snoc: interconnect@...6000 {
> compatible = "qcom,sdm660-snoc";
> reg = <0x01626000 0x7090>;
> #interconnect-cells = <1>;
> - clock-names = "bus", "bus_a";
> - clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
> - <&rpmcc RPM_SMD_SNOC_A_CLK>;
> };
>
> anoc2_smmu: iommu@...0000 {
> compatible = "qcom,sdm630-smmu-v2", "qcom,smmu-v2";
> reg = <0x016c0000 0x40000>;
> -
> - assigned-clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> - assigned-clock-rates = <1000>;
> - clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> - clock-names = "bus";
> #global-interrupts = <2>;
> #iommu-cells = <1>;
>
> @@ -685,16 +671,12 @@ a2noc: interconnect@...4000 {
> compatible = "qcom,sdm660-a2noc";
> reg = <0x01704000 0xc100>;
> #interconnect-cells = <1>;
> - clock-names = "bus",
> - "bus_a",
> - "ipa",
> + clock-names = "ipa",
> "ufs_axi",
> "aggre2_ufs_axi",
> "aggre2_usb3_axi",
> "cfg_noc_usb2_axi";
> - clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>,
> - <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>,
> - <&rpmcc RPM_SMD_IPA_CLK>,
> + clocks = <&rpmcc RPM_SMD_IPA_CLK>,
> <&gcc GCC_UFS_AXI_CLK>,
> <&gcc GCC_AGGRE2_UFS_AXI_CLK>,
> <&gcc GCC_AGGRE2_USB3_AXI_CLK>,
> @@ -705,10 +687,8 @@ mnoc: interconnect@...5000 {
> compatible = "qcom,sdm660-mnoc";
> reg = <0x01745000 0xa010>;
> #interconnect-cells = <1>;
> - clock-names = "bus", "bus_a", "iface";
> - clocks = <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK>,
> - <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK_A>,
> - <&mmcc AHB_CLK_SRC>;
> + clock-names = "iface";
> + clocks = <&mmcc AHB_CLK_SRC>;
> };
>
> tsens: thermal-sensor@...e000 {
> @@ -1228,20 +1208,16 @@ usb3: usb@...8800 {
> <&gcc GCC_USB30_MASTER_CLK>,
> <&gcc GCC_AGGRE2_USB3_AXI_CLK>,
> <&gcc GCC_USB30_SLEEP_CLK>,
> - <&gcc GCC_USB30_MOCK_UTMI_CLK>,
> - <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> + <&gcc GCC_USB30_MOCK_UTMI_CLK>;
> clock-names = "cfg_noc",
> "core",
> "iface",
> "sleep",
> - "mock_utmi",
> - "bus";
> + "mock_utmi";
>
> assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
> - <&gcc GCC_USB30_MASTER_CLK>,
> - <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> - assigned-clock-rates = <19200000>, <120000000>,
> - <19200000>;
> + <&gcc GCC_USB30_MASTER_CLK>;
> + assigned-clock-rates = <19200000>, <120000000>;
>
> interrupts = <GIC_SPI 347 IRQ_TYPE_LEVEL_HIGH>,
> <GIC_SPI 243 IRQ_TYPE_LEVEL_HIGH>;
> @@ -2144,10 +2120,9 @@ mmss_smmu: iommu@...0000 {
>
> clocks = <&mmcc MNOC_AHB_CLK>,
> <&mmcc BIMC_SMMU_AHB_CLK>,
> - <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK>,
> <&mmcc BIMC_SMMU_AXI_CLK>;
> clock-names = "iface-mm", "iface-smmu",
> - "bus-mm", "bus-smmu";
> + "bus-smmu";
> #global-interrupts = <2>;
> #iommu-cells = <1>;
>
> @@ -2264,12 +2239,6 @@ gnoc: interconnect@...00000 {
> compatible = "qcom,sdm660-gnoc";
> reg = <0x17900000 0xe000>;
> #interconnect-cells = <1>;
> - /*
> - * This one apparently features no clocks,
> - * so let's not mess with the driver needlessly
> - */
> - clock-names = "bus", "bus_a";
> - clocks = <&xo_board>, <&xo_board>;
> };
>
> apcs_glb: mailbox@...11000 {
>
> --
> 2.42.0
>
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