Add configurations in devicetree for PCIe0, including registers, clocks,
interrupts and phy setting sequence.
Signed-off-by: Ziyue Zhang <quic_ziyuzhan@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 44 +++++-
arch/arm64/boot/dts/qcom/qcs8300.dtsi | 176 ++++++++++++++++++++++
2 files changed, 219 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
index 7eed19a694c3..9d7c8555ed38 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
@@ -213,7 +213,7 @@ vreg_l9c: ldo9 {
&gcc {
clocks = <&rpmhcc RPMH_CXO_CLK>,
<&sleep_clk>,
- <0>,
+ <&pcie0_phy>,
<0>,
<0>,
<0>,
@@ -223,6 +223,23 @@ &gcc {
<0>;
};
+&pcie0 {
+ perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-0 = <&pcie0_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie0_phy {
+ vdda-phy-supply = <&vreg_l6a>;
+ vdda-pll-supply = <&vreg_l5a>;
+
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -247,6 +264,31 @@ &rpmhcc {
clock-names = "xo";
};
+&tlmm {
+ pcie0_default_state: pcie0-default-state {
+ perst-pins {
+ pins = "gpio2";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq-pins {
+ pins = "gpio1";
+ function = "pcie0_clkreq";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake-pins {
+ pins = "gpio0";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+};
+
&uart7 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
index 2c35f96c3f28..d4924f48b347 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
@@ -637,6 +637,182 @@ mmss_noc: interconnect@17a0000 {
qcom,bcm-voters = <&apps_bcm_voter>;
};
+ pcie0: pci@1c00000 {
+ compatible = "qcom,pcie-qcs8300","qcom,pcie-sa8775p";
+ reg = <0x0 0x01c00000 0x0 0x3000>,
+ <0x0 0x40000000 0x0 0xf20>,
+ <0x0 0x40000f20 0x0 0xa8>,
+ <0x0 0x40001000 0x0 0x4000>,
+ <0x0 0x40100000 0x0 0x100000>,
+ <0x0 0x01c03000 0x0 0x1000>;
+
+ reg-names = "parf",
+ "dbi",
+ "elbi",
+ "atu",
+ "config",
+ "mhi";
+
+ device_type = "pci";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>,
+ <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
+ bus-range = <0x00 0xff>;
+
+ dma-coherent;
+
+ linux,pci-domain = <0>;
+ num-lanes = <2>;
+
+ interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>;
+
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7";
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc GIC_SPI 435 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc GIC_SPI 438 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc GIC_SPI 439 IRQ_TYPE_LEVEL_HIGH>;
+
+ 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>;
+
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a";
+
+ assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ interconnects = <&pcie_anoc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>,
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>;
+
+ interconnect-names = "pcie-mem", "cpu-pcie";
+
+ iommu-map = <0x0 &pcie_smmu 0x0000 0x1>,
+ <0x100 &pcie_smmu 0x0001 0x1>;
+
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "pci";
+ power-domains = <&gcc GCC_PCIE_0_GDSC>;
+
+ phys = <&pcie0_phy>;
+ phy-names = "pciephy";
+
+ status = "disabled";
+
+ pcie3_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ /* GEN 1 x1 */
+ opp-2500000 {
+ opp-hz = /bits/ 64 <2500000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-peak-kBps = <250000 1>;
+ };
+
+ /* GEN 1 x2 and GEN 2 x1 */
+ opp-5000000 {
+ opp-hz = /bits/ 64 <5000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-peak-kBps = <500000 1>;
+ };
+
+ /* GEN 2 x2 */
+ opp-10000000 {
+ opp-hz = /bits/ 64 <10000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-peak-kBps = <1000000 1>;
+ };
+
+ /* GEN 3 x1 */
+ opp-8000000 {
+ opp-hz = /bits/ 64 <8000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-peak-kBps = <984500 1>;
+ };
+
+ /* GEN 3 x2 and GEN 4 x1 */
+ opp-16000000 {
+ opp-hz = /bits/ 64 <16000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <1969000 1>;
+ };
+
+ /* GEN 4 x2 */
+ opp-32000000 {
+ opp-hz = /bits/ 64 <32000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <3938000 1>;
+ };
+ };
+
+ pcieport0: pcie@0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ bus-range = <0x01 0xff>;
+ };
+ };
+
+ pcie0_phy: phy@1c04000 {
+ compatible = "qcom,qcs8300-qmp-gen4x2-pcie-phy";
+ reg = <0x0 0x1c04000 0x0 0x2000>;
+
+ clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_CLKREF_EN>,
+ <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>,
+ <&gcc GCC_PCIE_0_PIPE_CLK>,
+ <&gcc GCC_PCIE_0_PIPEDIV2_CLK>,
+ <&gcc GCC_PCIE_0_PHY_AUX_CLK>;
+
+ clock-names = "aux",
+ "cfg_ahb",
+ "ref",
+ "rchng",
+ "pipe",
+ "pipediv2",
+ "phy_aux";
+
+ assigned-clocks = <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+ reset-names = "phy";
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie_0_pipe_clk";
+
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
+
ufs_mem_hc: ufs@1d84000 {
compatible = "qcom,qcs8300-ufshc", "qcom,ufshc", "jedec,ufs-2.0";
reg = <0x0 0x01d84000 0x0 0x3000>;
--
2.34.1
