Add device tree node for the second PCIe host found on the Qualcomm
SM8450 platform.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 96 ++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 45c0bf2b7fd2..0082f6a6b598 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -865,6 +865,79 @@ pcie0_lane: lanes@1c06200 {
};
};
+ pcie1: pci@1c08000 {
+ compatible = "qcom,pcie-sm8450-pcie1";
+ reg = <0 0x01c08000 0 0x3000>,
+ <0 0x40000000 0 0xf1d>,
+ <0 0x40000f20 0 0xa8>,
+ <0 0x40001000 0 0x1000>,
+ <0 0x40100000 0 0x100000>;
+ reg-names = "parf", "dbi", "elbi", "atu", "config";
+ device_type = "pci";
+ linux,pci-domain = <1>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <2>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges = <0x01000000 0x0 0x40200000 0 0x40200000 0x0 0x100000>,
+ <0x02000000 0x0 0x40300000 0 0x40300000 0x0 0x1fd00000>;
+
+ interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 0 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 0 0 435 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+ clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+ <&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
+ <&pcie1_lane>,
+ <&rpmhcc RPMH_CXO_CLK>,
+ <&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_TBU_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_1_AXI_CLK>;
+ clock-names = "pipe",
+ "pipe_mux",
+ "phy_pipe",
+ "ref",
+ "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "ddrss_sf_tbu",
+ "aggre1";
+
+ iommus = <&apps_smmu 0x1c80 0x7f>;
+ iommu-map = <0x0 &apps_smmu 0x1c80 0x1>,
+ <0x100 &apps_smmu 0x1c81 0x1>;
+
+ resets = <&gcc GCC_PCIE_1_BCR>;
+ reset-names = "pci";
+
+ power-domains = <&gcc PCIE_1_GDSC>;
+ power-domain-names = "gdsc";
+
+ phys = <&pcie1_lane>;
+ phy-names = "pciephy";
+
+ perst-gpio = <&tlmm 97 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 99 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_default_state>;
+
+ status = "disabled";
+ };
+
pcie1_phy: phy@1c0f000 {
compatible = "qcom,sm8450-qmp-gen4x2-pcie-phy";
reg = <0 0x01c0f000 0 0x200>;
@@ -1225,6 +1298,29 @@ wake {
};
};
+ pcie1_default_state: pcie1-default-state {
+ perst {
+ pins = "gpio97";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq {
+ pins = "gpio98";
+ function = "pcie1_clkreqn";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake {
+ pins = "gpio99";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
qup_i2c13_data_clk: qup-i2c13-data-clk {
pins = "gpio48", "gpio49";
function = "qup13";
--
2.34.1
