[PATCH v6 8/8] arm64: dts: qcom: x1e80100: Add support for PCIe3 on x1e80100

Qiang Yu
2024-10-11T10:42:07Z

Describe PCIe3 controller and PHY. Also add required system resources like
regulators, clocks, interrupts and registers configuration for PCIe3.

Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
arch/arm64/boot/dts/qcom/x1e80100.dtsi | 204 ++++++++++++++++++++++++-
1 file changed, 203 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index a36076e3c56b..c615c930cf0c 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -744,7 +744,7 @@ gcc: clock-controller@100000 {

clocks = <&bi_tcxo_div2>,
<&sleep_clk>,
- <0>,
+ <&pcie3_phy>,
<&pcie4_phy>,
<&pcie5_phy>,
<&pcie6a_phy>,
@@ -2907,6 +2907,208 @@ mmss_noc: interconnect@1780000 {
#interconnect-cells = <2>;
};

+ pcie3: pcie@1bd0000 {
+ device_type = "pci";
+ compatible = "qcom,pcie-x1e80100";
+ reg = <0x0 0x01bd0000 0x0 0x3000>,
+ <0x0 0x78000000 0x0 0xf1d>,
+ <0x0 0x78000f40 0x0 0xa8>,
+ <0x0 0x78001000 0x0 0x1000>,
+ <0x0 0x78100000 0x0 0x100000>,
+ <0x0 0x01bd3000 0x0 0x1000>;
+ reg-names = "parf",
+ "dbi",
+ "elbi",
+ "atu",
+ "config",
+ "mhi";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0x00000000 0x0 0x78200000 0x0 0x100000>,
+ <0x02000000 0x0 0x78300000 0x0 0x78300000 0x0 0x3d00000>,
+ <0x03000000 0x7 0x40000000 0x7 0x40000000 0x0 0x40000000>;
+ bus-range = <0x00 0xff>;
+
+ dma-coherent;
+
+ linux,pci-domain = <3>;
+ num-lanes = <8>;
+
+ interrupts = <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 769 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 836 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 671 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 121 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 GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc 0 0 GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc 0 0 GIC_SPI 237 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc 0 0 GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
+
+ clocks = <&gcc GCC_PCIE_3_AUX_CLK>,
+ <&gcc GCC_PCIE_3_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_3_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_3_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_3_SLV_Q2A_AXI_CLK>,
+ <&gcc GCC_CFG_NOC_PCIE_ANOC_NORTH_AHB_CLK>,
+ <&gcc GCC_CNOC_PCIE_NORTH_SF_AXI_CLK>;
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "noc_aggr",
+ "cnoc_sf_axi";
+
+ assigned-clocks = <&gcc GCC_PCIE_3_AUX_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ interconnects = <&pcie_south_anoc MASTER_PCIE_3 QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+ <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+ &cnoc_main SLAVE_PCIE_3 QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "pcie-mem",
+ "cpu-pcie";
+
+ resets = <&gcc GCC_PCIE_3_BCR>,
+ <&gcc GCC_PCIE_3_LINK_DOWN_BCR>;
+ reset-names = "pci",
+ "link_down";
+
+ power-domains = <&gcc GCC_PCIE_3_GDSC>;
+
+ phys = <&pcie3_phy>;
+ phy-names = "pciephy";
+
+ operating-points-v2 = <&pcie3_opp_table>;
+
+ 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_low_svs>;
+ opp-peak-kBps = <250000 1>;
+ };
+
+ /* GEN 1 x2 and GEN 2 x1 */
+ opp-5000000 {
+ opp-hz = /bits/ 64 <5000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <500000 1>;
+ };
+
+ /* GEN 1 x4 and GEN 2 x2 */
+ opp-10000000 {
+ opp-hz = /bits/ 64 <10000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <1000000 1>;
+ };
+
+ /* GEN 1 x8 and GEN 2 x4 */
+ opp-20000000 {
+ opp-hz = /bits/ 64 <20000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <2000000 1>;
+ };
+
+ /* GEN 2 x8 */
+ opp-40000000 {
+ opp-hz = /bits/ 64 <40000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <4000000 1>;
+ };
+
+ /* GEN 3 x1 */
+ opp-8000000 {
+ opp-hz = /bits/ 64 <8000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ opp-peak-kBps = <984500 1>;
+ };
+
+ /* GEN 3 x2 and GEN 4 x1 */
+ opp-16000000 {
+ opp-hz = /bits/ 64 <16000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ opp-peak-kBps = <1969000 1>;
+ };
+
+ /* GEN 3 x4 and GEN 4 x2 */
+ opp-32000000 {
+ opp-hz = /bits/ 64 <32000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ opp-peak-kBps = <3938000 1>;
+ };
+
+ /* GEN 3 x8 and GEN 4 x4 */
+ opp-64000000 {
+ opp-hz = /bits/ 64 <64000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ opp-peak-kBps = <7876000 1>;
+ };
+
+ /* GEN 4 x8 */
+ opp-128000000 {
+ opp-hz = /bits/ 64 <128000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ opp-peak-kBps = <15753000 1>;
+ };
+ };
+ };
+
+ pcie3_phy: phy@1be0000 {
+ compatible = "qcom,x1e80100-qmp-gen4x8-pcie-phy";
+ reg = <0 0x01be0000 0 0x10000>;
+
+ clocks = <&gcc GCC_PCIE_3_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_3_CFG_AHB_CLK>,
+ <&tcsr TCSR_PCIE_8L_CLKREF_EN>,
+ <&gcc GCC_PCIE_3_PHY_RCHNG_CLK>,
+ <&gcc GCC_PCIE_3_PIPE_CLK>,
+ <&gcc GCC_PCIE_3_PIPEDIV2_CLK>;
+ clock-names = "aux",
+ "cfg_ahb",
+ "ref",
+ "rchng",
+ "pipe",
+ "pipediv2";
+
+ resets = <&gcc GCC_PCIE_3_PHY_BCR>,
+ <&gcc GCC_PCIE_3_NOCSR_COM_PHY_BCR>;
+ reset-names = "phy",
+ "phy_nocsr";
+
+ assigned-clocks = <&gcc GCC_PCIE_3_PHY_RCHNG_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ power-domains = <&gcc GCC_PCIE_3_PHY_GDSC>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie3_pipe_clk";
+
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
+
pcie6a: pci@1bf8000 {
device_type = "pci";
compatible = "qcom,pcie-x1e80100";
--
2.34.1