[PATCH v4 0/3] arm64: dts: qcom: eliza-evk: Enable PCIe0 and PCIe1 with M.2 and TC9563 switch

[PATCH v4 0/3] arm64: dts: qcom: eliza-evk: Enable PCIe0 and PCIe1 with M.2 and TC9563 switch

[Krishna Chaitanya Chundru]

This series enables PCIe for the Eliza EVK board (CQS SoM on EVK carrier).

The Eliza EVK exposes two PCIe ports:

- PCIe0 drives an M.2 E key connector. The 3.3V supply is GPIO-controlled
  via a TCA9538 I/O expander on I2C4. The slot hosts a WLAN module
  (connected over PCIe) and a Bluetooth device (connected over UART5),
  modelled with the pcie-m2-e-connector binding.

- PCIe1 (8GT/s x2) connects to a Toshiba TC9563 PCIe switch, whose
  management interface sits on I2C4 (address 0x77). The TC9563 RESX# and
  PERST# lines are OR-ed internally; reset is driven via a TLMM GPIO on
  the RESX# pin. The iommu-map covers all downstream switch ports
  (SID range 0x1400-0x1408).

The M.2 WLAN module carries a Qualcomm QCC2072 Bluetooth chip. A device-ID
entry is added to the M.2 power sequencer so the serdev node for the BT
UART interface is created on PCI enumeration.

This seris Depends-on:
  https://lore.kernel.org/all/20260630-eliza-dts-qcs-evk-v4-3-18cbbdba6e7e@oss.qualcomm.com/
  https://lore.kernel.org/all/20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com/

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
Changes in v4:
- Added new line and used pcie port names as pcieN_portM (Konrad).
- Link to v3: https://patch.msgid.link/20260721-eliza_evk-v3-0-92b10038f13d@oss.qualcomm.com

Changes in v3:
- Clubbed pcie nodes to this series (Bjorn A)
  (https://lore.kernel.org/all/20260708-eliza_dt-v2-1-e6281da26408@oss.qualcomm.com/)
- Added comment for PERST (Mani).
- Extended ranges property for pcie1 (Konrad).
- Link to v2: https://patch.msgid.link/20260708-eliza_evk-v2-0-c599246ceba1@oss.qualcomm.com

Changes in v2:
- Drop patch 3, as this is already applied
- Rebase on top of https://lore.kernel.org/all/20260708055017.A90C91F000E9@smtp.kernel.org/
  and remove pincntrl as pincntrl is added in the eliza.dtsi patch and also remove
  pinctrl for resx as this is covered in pcie1_default_state as perst gpio.
- Link to v1: https://patch.msgid.link/20260703-eliza_evk-v1-0-7624440bd76d@oss.qualcomm.com

---
Krishna Chaitanya Chundru (3):
      arm64: dts: qcom: eliza: Add PCIe PHY and controller nodes
      arm64: dts: qcom: eliza-evk: Add PCIe0 with M.2 E key connector
      arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch

 arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 229 ++++++++++++++++++
 arch/arm64/boot/dts/qcom/eliza.dtsi     | 415 +++++++++++++++++++++++++++++++-
 2 files changed, 642 insertions(+), 2 deletions(-)
---
base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
change-id: 20260629-eliza_evk-6f30686b161f
prerequisite-patch-id: 9e10dfbe360941cdac0300aaf163149755952f9f
prerequisite-patch-id: fecce0170351baf00cbe8f6b302d1def4d99bbfc
prerequisite-patch-id: 97cd6cb495fdd198f6de7fbe45ef32e4a638ec9c
prerequisite-message-id: <20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com>
prerequisite-patch-id: f3615b5c1e2222a2491f862a7fba3994058ecc53

Best regards,
--  
Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>

[PATCH v4 1/3] arm64: dts: qcom: eliza: Add PCIe PHY and controller nodes

[Krishna Chaitanya Chundru]

Eliza supports two PCIe instances: one 8GT/s x1 (PCIe0) and one 8GT/s x2
(PCIe1). Add PCIe controller and PHY nodes for both instances, and update
the GCC clock references to use the newly added PHY nodes instead of
placeholder zeros.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/eliza.dtsi | 413 +++++++++++++++++++++++++++++++++++-
 1 file changed, 411 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi
index 977de44b816e..a54a956531e5 100644
--- a/arch/arm64/boot/dts/qcom/eliza.dtsi
+++ b/arch/arm64/boot/dts/qcom/eliza.dtsi
@@ -640,8 +640,8 @@ gcc: clock-controller@100000 {
 
 			clocks = <&bi_tcxo_div2>,
 				 <&sleep_clk>,
-				 <0>,
-				 <0>,
+				 <&pcie0_phy>,
+				 <&pcie1_phy>,
 				 <&ufs_mem_phy 0>,
 				 <&ufs_mem_phy 1>,
 				 <&ufs_mem_phy 2>,
@@ -1786,6 +1786,369 @@ mmss_noc: interconnect@1780000 {
 			#interconnect-cells = <2>;
 		};
 
+		pcie0: pcie@1c00000 {
+			device_type = "pci";
+			compatible = "qcom,eliza-pcie", "qcom,pcie-sm8550";
+			reg = <0 0x01c00000 0 0x3000>,
+			      <0 0x40000000 0 0xf1d>,
+			      <0 0x40000f20 0 0xa8>,
+			      <0 0x40001000 0 0x1000>,
+			      <0 0x40100000 0 0x100000>,
+			      <0 0x01c03000 0 0x1000>;
+			reg-names = "parf",
+				    "dbi",
+				    "elbi",
+				    "atu",
+				    "config",
+				    "mhi";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0 0x00000000 0 0x40200000 0 0x100000>,
+				 <0x02000000 0 0x40300000 0 0x40300000 0 0x3d00000>;
+
+			interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 478 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 535 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 536 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 537 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 540 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 653 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi0",
+					  "msi1",
+					  "msi2",
+					  "msi3",
+					  "msi4",
+					  "msi5",
+					  "msi6",
+					  "msi7",
+					  "global";
+
+			clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+				 <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+				 <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
+				 <&gcc GCC_DDRSS_PCIE_SF_QTB_CLK>,
+				 <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>,
+				 <&gcc GCC_CNOC_PCIE_SF_AXI_CLK>;
+			clock-names = "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "ddrss_sf_tbu",
+				      "noc_aggr",
+				      "cnoc_sf_axi";
+
+			resets = <&gcc GCC_PCIE_0_BCR>,
+				 <&gcc GCC_PCIE_0_LINK_DOWN_BCR>;
+			reset-names = "pci",
+				      "link_down";
+
+			interconnects = <&pcie_noc MASTER_PCIE_0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &cnoc_main SLAVE_PCIE_0 QCOM_ICC_TAG_ACTIVE_ONLY>;
+			interconnect-names = "pcie-mem",
+					     "cpu-pcie";
+
+			power-domains = <&gcc GCC_PCIE_0_GDSC>;
+
+			operating-points-v2 = <&pcie0_opp_table>;
+
+			iommu-map = <0 &apps_smmu 0x1480 0x1>,
+				    <0x100 &apps_smmu 0x1481 0x1>;
+
+			interrupt-map = <0 0 0 1 &intc 0 0 0 564 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &intc 0 0 0 565 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &intc 0 0 0 566 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &intc 0 0 0 567 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			#interrupt-cells = <1>;
+
+			linux,pci-domain = <0>;
+			num-lanes = <1>;
+			bus-range = <0 0xff>;
+
+			dma-coherent;
+
+			pinctrl-0 = <&pcie0_default_state>;
+			pinctrl-names = "default";
+
+			status = "disabled";
+
+			pcie0_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				/* 2.5 GT/s x1 */
+				opp-2500000-1 {
+					opp-hz = /bits/ 64 <2500000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <250000 1>;
+					opp-level = <1>;
+				};
+
+				/* 5 GT/s x1 */
+				opp-5000000-2 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+					opp-level = <2>;
+				};
+
+				/* 8 GT/s x1 */
+				opp-8000000-3 {
+					opp-hz = /bits/ 64 <8000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <984500 1>;
+					opp-level = <3>;
+				};
+
+			};
+
+			pcie0_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+				phys = <&pcie0_phy>;
+			};
+		};
+
+		pcie0_phy: phy@1c06000 {
+			compatible = "qcom,eliza-qmp-gen3x1-pcie-phy";
+			reg = <0 0x01c06000 0 0x2000>;
+
+			clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+				 <&tcsr TCSR_PCIE_0_CLKREF_EN>,
+				 <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>,
+				 <&gcc GCC_PCIE_0_PIPE_CLK>,
+				 <&gcc GCC_PCIE_0_PIPE_DIV2_CLK>;
+			clock-names = "aux",
+				      "cfg_ahb",
+				      "ref",
+				      "rchng",
+				      "pipe",
+				      "pipediv2";
+
+			assigned-clocks = <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			resets = <&gcc GCC_PCIE_0_PHY_BCR>,
+				 <&gcc GCC_PCIE_0_NOCSR_COM_PHY_BCR>;
+			reset-names = "phy",
+				      "phy_nocsr";
+
+			power-domains = <&gcc GCC_PCIE_0_PHY_GDSC>;
+
+			#clock-cells = <0>;
+			clock-output-names = "pcie0_pipe_clk";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
+		pcie1: pcie@1c08000 {
+			device_type = "pci";
+			compatible = "qcom,eliza-pcie", "qcom,pcie-sm8550";
+			reg = <0 0x01c08000 0 0x3000>,
+			      <0 0x44000000 0 0xf1d>,
+			      <0 0x44000f20 0 0xa8>,
+			      <0 0x44001000 0 0x1000>,
+			      <0 0x44100000 0 0x100000>,
+			      <0 0x01c0b000 0 0x1000>;
+			reg-names = "parf",
+				    "dbi",
+				    "elbi",
+				    "atu",
+				    "config",
+				    "mhi";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0x0 0x00000000 0x0 0x44200000 0x0 0x100000>,
+				 <0x02000000 0x0 0x44300000 0x0 0x44300000 0x0 0x3d00000>,
+				 <0x03000000 0x4 0x00000000 0x4 0x00000000 0x3 0x00000000>;
+
+			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi0",
+					  "msi1",
+					  "msi2",
+					  "msi3",
+					  "msi4",
+					  "msi5",
+					  "msi6",
+					  "msi7",
+					  "global";
+
+			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
+				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
+				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
+				 <&gcc GCC_DDRSS_PCIE_SF_QTB_CLK>,
+				 <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>,
+				 <&gcc GCC_CNOC_PCIE_SF_AXI_CLK>;
+			clock-names = "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "ddrss_sf_tbu",
+				      "noc_aggr",
+				      "cnoc_sf_axi";
+
+			resets = <&gcc GCC_PCIE_1_BCR>,
+				 <&gcc GCC_PCIE_1_LINK_DOWN_BCR>;
+			reset-names = "pci",
+				      "link_down";
+
+			interconnects = <&pcie_noc MASTER_PCIE_1 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+					 &cnoc_main SLAVE_PCIE_1 QCOM_ICC_TAG_ACTIVE_ONLY>;
+			interconnect-names = "pcie-mem",
+					     "cpu-pcie";
+
+			power-domains = <&gcc GCC_PCIE_1_GDSC>;
+
+			operating-points-v2 = <&pcie1_opp_table>;
+
+			iommu-map = <0 &apps_smmu 0x1400 0x1>,
+				    <0x100 &apps_smmu 0x1401 0x1>;
+
+			interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			#interrupt-cells = <1>;
+
+			linux,pci-domain = <1>;
+			num-lanes = <2>;
+			bus-range = <0 0xff>;
+
+			dma-coherent;
+
+			pinctrl-0 = <&pcie1_default_state>;
+			pinctrl-names = "default";
+
+			status = "disabled";
+
+			pcie1_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				/* 2.5 GT/s x1 */
+				opp-2500000-1 {
+					opp-hz = /bits/ 64 <2500000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <250000 1>;
+					opp-level = <1>;
+				};
+
+				/* 2.5 GT/s x2 */
+				opp-5000000-1 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+					opp-level = <1>;
+				};
+
+				/* 5 GT/s x1 */
+				opp-5000000-2 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+					opp-level = <2>;
+				};
+
+				/* 5 GT/s x2 */
+				opp-10000000-2 {
+					opp-hz = /bits/ 64 <10000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1000000 1>;
+					opp-level = <2>;
+				};
+
+				/* 8 GT/s x1 */
+				opp-8000000-3 {
+					opp-hz = /bits/ 64 <8000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <984500 1>;
+					opp-level = <3>;
+				};
+
+				/* 8 GT/s x2 */
+				opp-16000000-3 {
+					opp-hz = /bits/ 64 <16000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1969000 1>;
+					opp-level = <3>;
+				};
+
+			};
+
+			pcie1_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+				phys = <&pcie1_phy>;
+			};
+		};
+
+		pcie1_phy: phy@1c0e000 {
+			compatible = "qcom,eliza-qmp-gen3x2-pcie-phy";
+			reg = <0 0x01c0e000 0 0x2000>;
+
+			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
+				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+				 <&tcsr TCSR_PCIE_1_CLKREF_EN>,
+				 <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>,
+				 <&gcc GCC_PCIE_1_PIPE_CLK>,
+				 <&gcc GCC_PCIE_1_PIPE_DIV2_CLK>;
+			clock-names = "aux",
+				      "cfg_ahb",
+				      "ref",
+				      "rchng",
+				      "pipe",
+				      "pipediv2";
+
+			assigned-clocks = <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			resets = <&gcc GCC_PCIE_1_PHY_BCR>,
+				 <&gcc GCC_PCIE_1_NOCSR_COM_PHY_BCR>;
+			reset-names = "phy",
+				      "phy_nocsr";
+
+			power-domains = <&gcc GCC_PCIE_1_PHY_GDSC>;
+
+			#clock-cells = <0>;
+			clock-output-names = "pcie1_pipe_clk";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		ufs_mem_phy: phy@1d80000 {
 			compatible = "qcom,eliza-qmp-ufs-phy",
 				     "qcom,sm8650-qmp-ufs-phy";
@@ -2843,6 +3206,52 @@ tlmm: pinctrl@f100000 {
 			gpio-ranges = <&tlmm 0 0 184>;
 			wakeup-parent = <&pdc>;
 
+			pcie0_default_state: pcie0-default-state {
+				perst-pins {
+					pins = "gpio78";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-disable;
+				};
+
+				clkreq-pins {
+					pins = "gpio80";
+					function = "pcie0_clk_req_n";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				wake-pins {
+					pins = "gpio114";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
+			pcie1_default_state: pcie1-default-state {
+				perst-pins {
+					pins = "gpio54";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-disable;
+				};
+
+				clkreq-pins {
+					pins = "gpio52";
+					function = "pcie1_clk_req_n";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				wake-pins {
+					pins = "gpio53";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
 			qup_i2c0_data_clk: qup-i2c0-data-clk-state {
 				pins = "gpio28", "gpio29";
 				function = "qup1_se0";

-- 
2.34.1

[PATCH v4 2/3] arm64: dts: qcom: eliza-evk: Add PCIe0 with M.2 E key connector

[Krishna Chaitanya Chundru]

The Eliza EVK board features an M.2 E key connector connected to PCIe0.
Enable the PCIe0 root port and its QMP PHY with the necessary RPMH
regulator supplies. The M.2 slot's 3.3V supply rail is GPIO-controlled
via a TCA9538 I/O expander on I2C4.

The M.2 E key slot hosts a WLAN card connected over PCIe and a Bluetooth
device connected over UART. Model the connector using the
pcie-m2-e-connector binding, wiring the PCIe root port and UART5 for
the respective interfaces.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 116 ++++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/eliza.dtsi     |   1 +
 2 files changed, 117 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/eliza-evk.dtsi b/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
index e47b24f8b827..b35fffb50976 100644
--- a/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
+++ b/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
@@ -11,6 +11,92 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	vreg_pcie_m_3p3: regulator-3p3 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "vreg_3p3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&gpio_expander1 6 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	connector-0 {
+		compatible = "pcie-m2-e-connector";
+		vpcie3v3-supply = <&vreg_pcie_m_3p3>;
+		w-disable1-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
+		w-disable2-gpios = <&pm8550vs_g_gpios 4 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&m2_w_disable1>, <&m2_w_disable2>;
+		pinctrl-names = "default";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				m2_e_pcie_ep: endpoint@0 {
+					reg = <0>;
+					remote-endpoint = <&pcieport0_ep>;
+				};
+			};
+
+			port@3 {
+				reg = <3>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				m2_e_uart_ep: endpoint@0 {
+					reg = <0>;
+					remote-endpoint = <&uart5_ep>;
+				};
+			};
+		};
+	};
+};
+
+&i2c4 {
+	pinctrl-0 = <&qup_i2c4_data_clk>;
+	pinctrl-names = "default";
+
+	clock-frequency = <400000>;
+
+	status = "okay";
+
+	gpio_expander1: gpio@3c {
+		compatible = "ti,tca9538";
+		#gpio-cells = <2>;
+		gpio-controller;
+		reg = <0x3c>;
+	};
+};
+
+&pcie0 {
+	status = "okay";
+};
+
+&pcie0_phy {
+	vdda-phy-supply = <&vreg_l1k>;
+	vdda-pll-supply = <&vreg_l3k>;
+
+	status = "okay";
+};
+
+&pcie0_port0 {
+	wake-gpios = <&tlmm 114 GPIO_ACTIVE_LOW>;
+	reset-gpios = <&tlmm 78 GPIO_ACTIVE_LOW>;
+
+	port {
+		pcieport0_ep: endpoint {
+			remote-endpoint = <&m2_e_pcie_ep>;
+		};
+	};
 };
 
 &uart13 {
@@ -18,3 +104,33 @@ &uart13 {
 
 	status = "okay";
 };
+
+&uart5 {
+	status = "okay";
+
+	port {
+		uart5_ep: endpoint {
+			remote-endpoint = <&m2_e_uart_ep>;
+		};
+	};
+};
+
+&pm8550vs_g_gpios {
+	m2_w_disable2: m2-w-disable2-state {
+		pins = "gpio4";
+		function = "normal";
+		input-disable;
+		output-enable;
+		bias-disable;
+		power-source = <2>;
+	};
+};
+
+&tlmm {
+	m2_w_disable1: m2-w-disable1-state {
+		pins = "gpio35";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi
index a54a956531e5..c99bcccae00c 100644
--- a/arch/arm64/boot/dts/qcom/eliza.dtsi
+++ b/arch/arm64/boot/dts/qcom/eliza.dtsi
@@ -1909,6 +1909,7 @@ opp-8000000-3 {
 			};
 
 			pcie0_port0: pcie@0 {
+				compatible = "pciclass,0604";
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				bus-range = <0x01 0xff>;

-- 
2.34.1

[PATCH v4 3/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch

[Krishna Chaitanya Chundru]

The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563
PCIe switch. Enable PCIe1 and its QMP PHY nodes.

TC9563 uses I2C (at address 0x77 on I2C4) for its management interface.

Override the base iommu-map with the expanded set covering all the
switch's downstream ports (0x1400-0x1408 SID range).

The TC9563 RESX# and PERST# are OR-ed internally to assert reset on the
switch. Use TC9563 RESX# pin via a TLMM GPIO and skip wiring PERST#
from the PCIe controller.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 113 ++++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/eliza.dtsi     |   1 +
 2 files changed, 114 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/eliza-evk.dtsi b/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
index b35fffb50976..32a0fdd80c8a 100644
--- a/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
+++ b/arch/arm64/boot/dts/qcom/eliza-evk.dtsi
@@ -12,6 +12,26 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	vreg_0p9: regulator-0v9 {
+		compatible = "regulator-fixed";
+		regulator-name = "VREG_0P9";
+
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vreg_1p8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VREG_1P8";
+
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	vreg_pcie_m_3p3: regulator-3p3 {
 		compatible = "regulator-fixed";
 
@@ -99,6 +119,99 @@ pcieport0_ep: endpoint {
 	};
 };
 
+&pcie1 {
+	iommu-map = <0x0 &apps_smmu 0x1400 0x1>,
+		    <0x100 &apps_smmu 0x1401 0x1>,
+		    <0x208 &apps_smmu 0x1402 0x1>,
+		    <0x210 &apps_smmu 0x1403 0x1>,
+		    <0x218 &apps_smmu 0x1404 0x1>,
+		    <0x300 &apps_smmu 0x1405 0x1>,
+		    <0x400 &apps_smmu 0x1406 0x1>,
+		    <0x500 &apps_smmu 0x1407 0x1>,
+		    <0x501 &apps_smmu 0x1408 0x1>;
+
+	status = "okay";
+};
+
+&pcie1_phy {
+	vdda-phy-supply = <&vreg_l1k>;
+	vdda-pll-supply = <&vreg_l3k>;
+
+	status = "okay";
+};
+
+&pcie1_port0 {
+	wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
+	/* Same GPIO is used for both PERST# and resx-gpio */
+
+	tc9563: pcie@0,0 {
+		compatible = "pci1179,0623";
+		reg = <0x10000 0x0 0x0 0x0 0x0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+
+		device_type = "pci";
+		ranges;
+		bus-range = <0x2 0xff>;
+
+		vddc-supply = <&vreg_0p9>;
+		vdd18-supply = <&vreg_1p8>;
+		vdd09-supply = <&vreg_0p9>;
+		vddio1-supply = <&vreg_1p8>;
+		vddio2-supply = <&vreg_1p8>;
+		vddio18-supply = <&vreg_1p8>;
+
+		i2c-parent = <&i2c4 0x77>;
+
+		resx-gpios = <&tlmm 54 GPIO_ACTIVE_LOW>;
+
+		pcie@1,0 {
+			reg = <0x20800 0x0 0x0 0x0 0x0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			device_type = "pci";
+			ranges;
+			bus-range = <0x3 0xff>;
+		};
+
+		pcie@2,0 {
+			reg = <0x21000 0x0 0x0 0x0 0x0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			device_type = "pci";
+			ranges;
+			bus-range = <0x4 0xff>;
+		};
+
+		pcie@3,0 {
+			reg = <0x21800 0x0 0x0 0x0 0x0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			ranges;
+			bus-range = <0x5 0xff>;
+
+			pci@0,0 {
+				reg = <0x50000 0x0 0x0 0x0 0x0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				device_type = "pci";
+				ranges;
+			};
+
+			pci@0,1 {
+				reg = <0x50100 0x0 0x0 0x0 0x0>;
+				#address-cells = <3>;
+				#size-cells = <2>;
+				device_type = "pci";
+				ranges;
+			};
+		};
+	};
+};
+
 &uart13 {
 	compatible = "qcom,geni-debug-uart";
 
diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi
index c99bcccae00c..2ecfeddea496 100644
--- a/arch/arm64/boot/dts/qcom/eliza.dtsi
+++ b/arch/arm64/boot/dts/qcom/eliza.dtsi
@@ -2104,6 +2104,7 @@ opp-16000000-3 {
 			};
 
 			pcie1_port0: pcie@0 {
+				compatible = "pciclass,0604";
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				bus-range = <0x01 0xff>;

-- 
2.34.1

Re: [PATCH v4 0/3] arm64: dts: qcom: eliza-evk: Enable PCIe0 and PCIe1 with M.2 and TC9563 switch

[Bartosz Golaszewski]

On Tue, 28 Jul 2026 09:06:12 +0200, Krishna Chaitanya Chundru
<krishna.chundru@oss.qualcomm.com> said:
> This series enables PCIe for the Eliza EVK board (CQS SoM on EVK carrier).
>
> The Eliza EVK exposes two PCIe ports:
>
> - PCIe0 drives an M.2 E key connector. The 3.3V supply is GPIO-controlled
>   via a TCA9538 I/O expander on I2C4. The slot hosts a WLAN module
>   (connected over PCIe) and a Bluetooth device (connected over UART5),
>   modelled with the pcie-m2-e-connector binding.
>
> - PCIe1 (8GT/s x2) connects to a Toshiba TC9563 PCIe switch, whose
>   management interface sits on I2C4 (address 0x77). The TC9563 RESX# and
>   PERST# lines are OR-ed internally; reset is driven via a TLMM GPIO on
>   the RESX# pin. The iommu-map covers all downstream switch ports
>   (SID range 0x1400-0x1408).
>
> The M.2 WLAN module carries a Qualcomm QCC2072 Bluetooth chip. A device-ID
> entry is added to the M.2 power sequencer so the serdev node for the BT
> UART interface is created on PCI enumeration.
>
> This seris Depends-on:
>   https://lore.kernel.org/all/20260630-eliza-dts-qcs-evk-v4-3-18cbbdba6e7e@oss.qualcomm.com/
>   https://lore.kernel.org/all/20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com/
>
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---
> Changes in v4:
> - Added new line and used pcie port names as pcieN_portM (Konrad).
> - Link to v3: https://patch.msgid.link/20260721-eliza_evk-v3-0-92b10038f13d@oss.qualcomm.com
>
> Changes in v3:
> - Clubbed pcie nodes to this series (Bjorn A)
>   (https://lore.kernel.org/all/20260708-eliza_dt-v2-1-e6281da26408@oss.qualcomm.com/)
> - Added comment for PERST (Mani).
> - Extended ranges property for pcie1 (Konrad).
> - Link to v2: https://patch.msgid.link/20260708-eliza_evk-v2-0-c599246ceba1@oss.qualcomm.com
>
> Changes in v2:
> - Drop patch 3, as this is already applied
> - Rebase on top of https://lore.kernel.org/all/20260708055017.A90C91F000E9@smtp.kernel.org/
>   and remove pincntrl as pincntrl is added in the eliza.dtsi patch and also remove
>   pinctrl for resx as this is covered in pcie1_default_state as perst gpio.
> - Link to v1: https://patch.msgid.link/20260703-eliza_evk-v1-0-7624440bd76d@oss.qualcomm.com
>
> ---
> Krishna Chaitanya Chundru (3):
>       arm64: dts: qcom: eliza: Add PCIe PHY and controller nodes
>       arm64: dts: qcom: eliza-evk: Add PCIe0 with M.2 E key connector
>       arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch
>
>  arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 229 ++++++++++++++++++
>  arch/arm64/boot/dts/qcom/eliza.dtsi     | 415 +++++++++++++++++++++++++++++++-
>  2 files changed, 642 insertions(+), 2 deletions(-)
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260629-eliza_evk-6f30686b161f
> prerequisite-patch-id: 9e10dfbe360941cdac0300aaf163149755952f9f
> prerequisite-patch-id: fecce0170351baf00cbe8f6b302d1def4d99bbfc
> prerequisite-patch-id: 97cd6cb495fdd198f6de7fbe45ef32e4a638ec9c
> prerequisite-message-id: <20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com>
> prerequisite-patch-id: f3615b5c1e2222a2491f862a7fba3994058ecc53
>
> Best regards,
> --
> Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
>
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

Re: [PATCH v4 3/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch

[Konrad Dybcio]

On 7/28/26 9:06 AM, Krishna Chaitanya Chundru wrote:
> The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563
> PCIe switch. Enable PCIe1 and its QMP PHY nodes.
> 
> TC9563 uses I2C (at address 0x77 on I2C4) for its management interface.
> 
> Override the base iommu-map with the expanded set covering all the
> switch's downstream ports (0x1400-0x1408 SID range).
> 
> The TC9563 RESX# and PERST# are OR-ed internally to assert reset on the
> switch. Use TC9563 RESX# pin via a TLMM GPIO and skip wiring PERST#
> from the PCIe controller.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

Re: [PATCH v4 3/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch

[Konrad Dybcio]

On 7/28/26 9:06 AM, Krishna Chaitanya Chundru wrote:
> The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563
> PCIe switch. Enable PCIe1 and its QMP PHY nodes.
> 
> TC9563 uses I2C (at address 0x77 on I2C4) for its management interface.
> 
> Override the base iommu-map with the expanded set covering all the
> switch's downstream ports (0x1400-0x1408 SID range).
> 
> The TC9563 RESX# and PERST# are OR-ed internally to assert reset on the
> switch. Use TC9563 RESX# pin via a TLMM GPIO and skip wiring PERST#
> from the PCIe controller.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---

[...]

> +			reg = <0x21800 0x0 0x0 0x0 0x0>;
> +			#address-cells = <3>;
> +			#size-cells = <2>;
> +			device_type = "pci";
> +			ranges;
> +			bus-range = <0x5 0xff>;
> +
> +			pci@0,0 {

FWIW these subnodes should be pcie@ too

Konrad

> +				reg = <0x50000 0x0 0x0 0x0 0x0>;
> +				#address-cells = <3>;
> +				#size-cells = <2>;
> +				device_type = "pci";
> +				ranges;
> +			};
> +
> +			pci@0,1 {
> +				reg = <0x50100 0x0 0x0 0x0 0x0>;
> +				#address-cells = <3>;
> +				#size-cells = <2>;
> +				device_type = "pci";
> +				ranges;
> +			};
> +		};
> +	};
> +};
> +
>  &uart13 {
>  	compatible = "qcom,geni-debug-uart";
>  
> diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi
> index c99bcccae00c..2ecfeddea496 100644
> --- a/arch/arm64/boot/dts/qcom/eliza.dtsi
> +++ b/arch/arm64/boot/dts/qcom/eliza.dtsi
> @@ -2104,6 +2104,7 @@ opp-16000000-3 {
>  			};
>  
>  			pcie1_port0: pcie@0 {
> +				compatible = "pciclass,0604";
>  				device_type = "pci";
>  				reg = <0x0 0x0 0x0 0x0 0x0>;
>  				bus-range = <0x01 0xff>;
>