[PATCH v2 5/5] arch: arm64: dts: qcom: Add support for PCIe3a

Qiang Yu posted 5 patches 1 week, 4 days ago
[PATCH v2 5/5] arch: arm64: dts: qcom: Add support for PCIe3a
Posted by Qiang Yu 1 week, 4 days ago
Describe PCIe3a controller and PHY. Also add required system resources
like regulators, clocks, interrupts and registers configuration for PCIe3a.

Signed-off-by: Qiang Yu <qiang.yu@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/glymur.dtsi | 314 ++++++++++++++++++++++++++++++++++-
 1 file changed, 313 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
index bde287f645ee94116a489c55be3b7b80db3815e9..52104607a1713323fdfe2e7de710e38c1e22d06e 100644
--- a/arch/arm64/boot/dts/qcom/glymur.dtsi
+++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
@@ -736,7 +736,7 @@ gcc: clock-controller@100000 {
 				 <0>,				/* USB 2 Phy PCIE PIPEGMUX */
 				 <0>,				/* USB 2 Phy PIPEGMUX */
 				 <0>,				/* USB 2 Phy SYS PCIE PIPEGMUX */
-				 <0>,				/* PCIe 3a */
+				 <&pcie3a_phy>,			/* PCIe 3a */
 				 <&pcie3b_phy>,			/* PCIe 3b */
 				 <&pcie4_phy>,			/* PCIe 4 */
 				 <&pcie5_phy>,			/* PCIe 5 */
@@ -2360,6 +2360,318 @@ pcie_west_slv_noc: interconnect@1920000 {
 			#interconnect-cells = <2>;
 		};
 
+		pcie3a: pci@1c10000 {
+			device_type = "pci";
+			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
+			reg = <0x0 0x01c10000 0x0 0x3000>,
+			      <0x0 0x70000000 0x0 0xf20>,
+			      <0x0 0x70000f40 0x0 0xa8>,
+			      <0x0 0x70001000 0x0 0x4000>,
+			      <0x0 0x70100000 0x0 0x100000>,
+			      <0x0 0x01c13000 0x0 0x1000>;
+			reg-names = "parf",
+				    "dbi",
+				    "elbi",
+				    "atu",
+				    "config",
+				    "mhi";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0x0 0x00000000 0x0 0x70200000 0x0 0x100000>,
+				 <0x02000000 0x0 0x70000000 0x0 0x70300000 0x0 0x3d00000>,
+				 <0x03000000 0x7 0x00000000 0x7 0x00000000 0x0 0x40000000>;
+			bus-range = <0 0xff>;
+
+			dma-coherent;
+
+			linux,pci-domain = <3>;
+			num-lanes = <8>;
+
+			operating-points-v2 = <&pcie3a_opp_table>;
+
+			msi-map = <0x0 &gic_its 0xb0000 0x10000>;
+			iommu-map = <0x0 &pcie_smmu 0x30000 0x10000>;
+
+			interrupts = <GIC_SPI 948 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 949 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 844 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 845 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 847 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 942 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi0",
+					  "msi1",
+					  "msi2",
+					  "msi3",
+					  "msi4",
+					  "msi5",
+					  "msi6",
+					  "msi7",
+					  "global";
+
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 0 0 848 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &intc 0 0 0 849 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &intc 0 0 0 850 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &intc 0 0 0 851 IRQ_TYPE_LEVEL_HIGH>;
+
+			clocks = <&gcc GCC_PCIE_3A_AUX_CLK>,
+				 <&gcc GCC_PCIE_3A_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_3A_MSTR_AXI_CLK>,
+				 <&gcc GCC_PCIE_3A_SLV_AXI_CLK>,
+				 <&gcc GCC_PCIE_3A_SLV_Q2A_AXI_CLK>,
+				 <&gcc GCC_AGGRE_NOC_PCIE_3A_WEST_SF_AXI_CLK>;
+			clock-names = "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "noc_aggr";
+
+			assigned-clocks = <&gcc GCC_PCIE_3A_AUX_CLK>;
+			assigned-clock-rates = <19200000>;
+
+			interconnects = <&pcie_west_anoc MASTER_PCIE_3A QCOM_ICC_TAG_ALWAYS
+					&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&hsc_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+					&pcie_west_slv_noc SLAVE_PCIE_3A QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "pcie-mem",
+					     "cpu-pcie";
+
+			resets = <&gcc GCC_PCIE_3A_BCR>,
+				 <&gcc GCC_PCIE_3A_LINK_DOWN_BCR>;
+			reset-names = "pci",
+				      "link_down";
+
+			power-domains = <&gcc GCC_PCIE_3A_GDSC>;
+
+			eq-presets-8gts = /bits/ 16 <0x5555 0x5555 0x5555 0x5555
+						     0x5555 0x5555 0x5555 0x5555>;
+			eq-presets-16gts = /bits/ 8 <0x55 0x55 0x55 0x55 0x55 0x55 0x55 0x55>;
+			eq-presets-32gts = /bits/ 8 <0x55 0x55 0x55 0x55 0x55 0x55 0x55 0x55>;
+
+			status = "disabled";
+
+			pcie3a_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				/* GEN 1 x1 */
+				opp-2500000-1 {
+					opp-hz = /bits/ 64 <2500000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <250000 1>;
+					opp-level = <1>;
+				};
+
+				/* GEN 1 x2 */
+				opp-5000000-1 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+					opp-level = <1>;
+				};
+
+				/* GEN 1 x4 */
+				opp-10000000-1 {
+					opp-hz = /bits/ 64 <10000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1000000 1>;
+					opp-level = <1>;
+				};
+
+				/* GEN 1 x8 */
+				opp-20000000-1 {
+					opp-hz = /bits/ 64 <20000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <2000000 1>;
+					opp-level = <1>;
+				};
+
+				/* GEN 2 x1 */
+				opp-5000000-2 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+					opp-level = <2>;
+				};
+
+				/* GEN 2 x2 */
+				opp-10000000-2 {
+					opp-hz = /bits/ 64 <10000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1000000 1>;
+					opp-level = <2>;
+				};
+
+				/* GEN 2 x4 */
+				opp-20000000-2 {
+					opp-hz = /bits/ 64 <20000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <2000000 1>;
+					opp-level = <2>;
+				};
+
+				/* GEN 2 x8 */
+				opp-40000000-2 {
+					opp-hz = /bits/ 64 <40000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <4000000 1>;
+					opp-level = <2>;
+				};
+
+				/* GEN 3 x1 */
+				opp-8000000-3 {
+					opp-hz = /bits/ 64 <8000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <984500 1>;
+					opp-level = <3>;
+				};
+
+				/* GEN 3 x2 */
+				opp-16000000-3 {
+					opp-hz = /bits/ 64 <16000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1969000 1>;
+					opp-level = <3>;
+				};
+
+				/* GEN 3 x4 */
+				opp-32000000-3 {
+					opp-hz = /bits/ 64 <32000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <3938000 1>;
+					opp-level = <3>;
+				};
+
+				/* GEN 3 x8 */
+				opp-64000000-3 {
+					opp-hz = /bits/ 64 <64000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <7876000 1>;
+					opp-level = <3>;
+				};
+
+				/* GEN 4 x1 */
+				opp-16000000-4 {
+					opp-hz = /bits/ 64 <16000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+					opp-peak-kBps = <1969000 1>;
+					opp-level = <4>;
+				};
+
+				/* GEN 4 x2 */
+				opp-32000000-4 {
+					opp-hz = /bits/ 64 <32000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+					opp-peak-kBps = <3938000 1>;
+					opp-level = <4>;
+				};
+
+				/* GEN 4 x4 */
+				opp-64000000-4 {
+					opp-hz = /bits/ 64 <64000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+					opp-peak-kBps = <7876000 1>;
+					opp-level = <4>;
+				};
+
+				/* GEN 4 x8 */
+				opp-128000000-4 {
+					opp-hz = /bits/ 64 <128000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+					opp-peak-kBps = <15753000 1>;
+					opp-level = <4>;
+				};
+
+				/* GEN 5 x1 */
+				opp-32000000-5 {
+					opp-hz = /bits/ 64 <32000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <3938000 1>;
+					opp-level = <5>;
+				};
+
+				/* GEN 5 x2 */
+				opp-64000000-5 {
+					opp-hz = /bits/ 64 <64000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <7876000 1>;
+					opp-level = <5>;
+				};
+
+				/* GEN 5 x4 */
+				opp-128000000-5 {
+					opp-hz = /bits/ 64 <128000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <15753000 1>;
+					opp-level = <5>;
+				};
+
+				/* GEN 5 x8 */
+				opp-256000000-5 {
+					opp-hz = /bits/ 64 <256000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <31506000 1>;
+					opp-level = <5>;
+				};
+			};
+
+			pcie3a_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				phys = <&pcie3a_phy>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
+		};
+
+		pcie3a_phy: phy@f00000 {
+			compatible = "qcom,glymur-qmp-gen5x8-pcie-phy";
+			reg = <0 0x00f00000 0 0x10000>;
+
+			clocks = <&gcc GCC_PCIE_PHY_3A_AUX_CLK>,
+				 <&gcc GCC_PCIE_3A_CFG_AHB_CLK>,
+				 <&tcsr TCSR_PCIE_3_CLKREF_EN>,
+				 <&gcc GCC_PCIE_3A_PHY_RCHNG_CLK>,
+				 <&gcc GCC_PCIE_3A_PIPE_CLK>,
+				 <&gcc GCC_PCIE_PHY_3B_AUX_CLK>;
+			clock-names = "aux",
+				      "cfg_ahb",
+				      "ref",
+				      "rchng",
+				      "pipe",
+				      "phy_b_aux";
+
+			resets = <&gcc GCC_PCIE_3A_PHY_BCR>,
+				 <&gcc GCC_PCIE_3A_NOCSR_COM_PHY_BCR>,
+				 <&gcc GCC_PCIE_3B_PHY_BCR>,
+				 <&gcc GCC_PCIE_3B_NOCSR_COM_PHY_BCR>;
+			reset-names = "phy",
+				      "phy_nocsr",
+				      "phy_b",
+				      "phy_b_nocsr";
+
+			assigned-clocks = <&gcc GCC_PCIE_3A_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			power-domains = <&gcc GCC_PCIE_3A_PHY_GDSC>,
+					<&gcc GCC_PCIE_3B_PHY_GDSC>;
+
+			#clock-cells = <0>;
+			clock-output-names = "pcie3a_pipe_clk";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		pcie4: pci@1bf0000 {
 			device_type = "pci";
 			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";

-- 
2.34.1
Re: [PATCH v2 5/5] arch: arm64: dts: qcom: Add support for PCIe3a
Posted by Dmitry Baryshkov 1 week, 3 days ago
On Mon, Mar 23, 2026 at 12:15:32AM -0700, Qiang Yu wrote:
> Describe PCIe3a controller and PHY. Also add required system resources
> like regulators, clocks, interrupts and registers configuration for PCIe3a.
> 
> Signed-off-by: Qiang Yu <qiang.yu@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/glymur.dtsi | 314 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 313 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> index bde287f645ee94116a489c55be3b7b80db3815e9..52104607a1713323fdfe2e7de710e38c1e22d06e 100644
> --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> @@ -736,7 +736,7 @@ gcc: clock-controller@100000 {
>  				 <0>,				/* USB 2 Phy PCIE PIPEGMUX */
>  				 <0>,				/* USB 2 Phy PIPEGMUX */
>  				 <0>,				/* USB 2 Phy SYS PCIE PIPEGMUX */
> -				 <0>,				/* PCIe 3a */
> +				 <&pcie3a_phy>,			/* PCIe 3a */
>  				 <&pcie3b_phy>,			/* PCIe 3b */
>  				 <&pcie4_phy>,			/* PCIe 4 */
>  				 <&pcie5_phy>,			/* PCIe 5 */
> @@ -2360,6 +2360,318 @@ pcie_west_slv_noc: interconnect@1920000 {
>  			#interconnect-cells = <2>;
>  		};
>  
> +		pcie3a: pci@1c10000 {

Incorrect placement. 1c10000 > 1bf0000.

> +			device_type = "pci";
> +			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
> +			reg = <0x0 0x01c10000 0x0 0x3000>,
> +			      <0x0 0x70000000 0x0 0xf20>,
> +			      <0x0 0x70000f40 0x0 0xa8>,
> +			      <0x0 0x70001000 0x0 0x4000>,
> +			      <0x0 0x70100000 0x0 0x100000>,
> +			      <0x0 0x01c13000 0x0 0x1000>;

[...]

> +		};
> +
> +		pcie3a_phy: phy@f00000 {

This one too, it should be before PCIe3b PHY.

> +			compatible = "qcom,glymur-qmp-gen5x8-pcie-phy";
> +			reg = <0 0x00f00000 0 0x10000>;
> +

[...]

> +		};
> +
>  		pcie4: pci@1bf0000 {
>  			device_type = "pci";
>  			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry
Re: [PATCH v2 5/5] arch: arm64: dts: qcom: Add support for PCIe3a
Posted by Qiang Yu 3 days, 12 hours ago
On Tue, Mar 24, 2026 at 11:21:19PM +0200, Dmitry Baryshkov wrote:
> On Mon, Mar 23, 2026 at 12:15:32AM -0700, Qiang Yu wrote:
> > Describe PCIe3a controller and PHY. Also add required system resources
> > like regulators, clocks, interrupts and registers configuration for PCIe3a.
> > 
> > Signed-off-by: Qiang Yu <qiang.yu@oss.qualcomm.com>
> > ---
> >  arch/arm64/boot/dts/qcom/glymur.dtsi | 314 ++++++++++++++++++++++++++++++++++-
> >  1 file changed, 313 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> > index bde287f645ee94116a489c55be3b7b80db3815e9..52104607a1713323fdfe2e7de710e38c1e22d06e 100644
> > --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> > @@ -736,7 +736,7 @@ gcc: clock-controller@100000 {
> >  				 <0>,				/* USB 2 Phy PCIE PIPEGMUX */
> >  				 <0>,				/* USB 2 Phy PIPEGMUX */
> >  				 <0>,				/* USB 2 Phy SYS PCIE PIPEGMUX */
> > -				 <0>,				/* PCIe 3a */
> > +				 <&pcie3a_phy>,			/* PCIe 3a */
> >  				 <&pcie3b_phy>,			/* PCIe 3b */
> >  				 <&pcie4_phy>,			/* PCIe 4 */
> >  				 <&pcie5_phy>,			/* PCIe 5 */
> > @@ -2360,6 +2360,318 @@ pcie_west_slv_noc: interconnect@1920000 {
> >  			#interconnect-cells = <2>;
> >  		};
> >  
> > +		pcie3a: pci@1c10000 {
> 
> Incorrect placement. 1c10000 > 1bf0000.
> 
> > +			device_type = "pci";
> > +			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
> > +			reg = <0x0 0x01c10000 0x0 0x3000>,
> > +			      <0x0 0x70000000 0x0 0xf20>,
> > +			      <0x0 0x70000f40 0x0 0xa8>,
> > +			      <0x0 0x70001000 0x0 0x4000>,
> > +			      <0x0 0x70100000 0x0 0x100000>,
> > +			      <0x0 0x01c13000 0x0 0x1000>;
> 
> [...]
> 
> > +		};
> > +
> > +		pcie3a_phy: phy@f00000 {
> 
> This one too, it should be before PCIe3b PHY.

Okay, will change them.

- Qiang Yu
> 
> > +			compatible = "qcom,glymur-qmp-gen5x8-pcie-phy";
> > +			reg = <0 0x00f00000 0 0x10000>;
> > +
> 
> [...]
> 
> > +		};
> > +
> >  		pcie4: pci@1bf0000 {
> >  			device_type = "pci";
> >  			compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
> > 
> > -- 
> > 2.34.1
> > 
> 
> -- 
> With best wishes
> Dmitry