From: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
Add configurations in devicetree for PCIe0, including registers, clocks,
interrupts and phy setting sequence.
Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
Signed-off-by: Ziyue Zhang <quic_ziyuzhan@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qcs615-ride.dts | 42 ++++++
arch/arm64/boot/dts/qcom/qcs615.dtsi | 158 +++++++++++++++++++++++
2 files changed, 200 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
index 4ef969a6af15..dd245a8a50f5 100644
--- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
@@ -205,6 +205,23 @@ &gcc {
<&sleep_clk>;
};
+&pcie {
+ perst-gpios = <&tlmm 101 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 100 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-0 = <&pcie_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie_phy {
+ vdda-phy-supply = <&vreg_l5a>;
+ vdda-pll-supply = <&vreg_l12a>;
+
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -213,6 +230,31 @@ &rpmhcc {
clocks = <&xo_board_clk>;
};
+&tlmm {
+ pcie_default_state: pcie-default-state {
+ perst-pins {
+ pins = "gpio101";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq-pins {
+ pins = "gpio90";
+ function = "pcie_clk_req";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake-pins {
+ pins = "gpio100";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
index ac4c4c751da1..1e30951a0d2a 100644
--- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
@@ -678,6 +678,164 @@ rpmhpd_opp_turbo_l1: opp-9 {
};
};
+ pcie: pcie@1c08000 {
+ compatible = "qcom,pcie-qcs615";
+ reg = <0x0 0x1c08000 0x0 0x3000>,
+ <0x0 0x40000000 0x0 0xf1d>,
+ <0x0 0x40000f20 0x0 0xa8>,
+ <0x0 0x40001000 0x0 0x1000>,
+ <0x0 0x40100000 0x0 0x100000>,
+ <0x0 0x1c0b000 0x0 0x1000>;
+
+ reg-names = "parf",
+ "dbi",
+ "elbi",
+ "atu",
+ "config",
+ "mhi";
+
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>,
+ <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
+
+ 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>;
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7",
+ "global";
+
+ interrupt-map = <0 0 0 0 &intc 0 0 0 140 IRQ_TYPE_LEVEL_HIGH>,
+ <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-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+
+ interconnects = <&aggre1_noc MASTER_PCIE QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+ <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+ &config_noc SLAVE_PCIE_0 QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "pcie-mem", "cpu-pcie";
+
+ 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>,
+ <&rpmhcc RPMH_CXO_CLK>;
+
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "ref";
+
+ assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ operating-points-v2 = <&pcie_opp_table>;
+
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "pci";
+
+ phys = <&pcie_phy>;
+ phy-names = "pciephy";
+
+ power-domains = <&gcc PCIE_0_GDSC>;
+
+ dma-coherent;
+
+ iommu-map = <0x0 &apps_smmu 0x400 0x1>,
+ <0x100 &apps_smmu 0x401 0x1>;
+
+ status = "disabled";
+ pcie_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ /* GEN 1 x1 */
+ opp-2500000 {
+ opp-hz = /bits/ 64 <2500000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <250000 1>;
+ };
+
+ /* GEN 2 x1 */
+ opp-5000000 {
+ opp-hz = /bits/ 64 <5000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <500000 1>;
+ };
+
+ /* GEN 3 x1 */
+ opp-8000000 {
+ opp-hz = /bits/ 64 <8000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-peak-kBps = <984500 1>;
+ };
+ };
+
+ pcie@0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ bus-range = <0x01 0xff>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ };
+
+ pcie_phy: phy@1c0e000 {
+ compatible = "qcom,qcs615-qmp-gen3x1-pcie-phy";
+ reg = <0 0x01c0e000 0 0x1000>;
+
+ clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_CLKREF_CLK>,
+ <&gcc GCC_PCIE0_PHY_REFGEN_CLK>,
+ <&gcc GCC_PCIE_0_PIPE_CLK>;
+ clock-names = "aux",
+ "cfg_ahb",
+ "ref",
+ "refgen",
+ "pipe";
+
+ clock-output-names = "pcie_0_pipe_clk";
+ #clock-cells = <0>;
+
+ #phy-cells = <0>;
+
+ resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+ reset-names = "phy";
+
+ assigned-clocks = <&gcc GCC_PCIE0_PHY_REFGEN_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ status = "disabled";
+ };
+
arch_timer: timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
--
2.34.1
