mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-19 16:25:26 -04:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: qcom: qcs615: enable pcie

Browse Source 
Add configurations in devicetree for PCIe0, including registers, clocks,
interrupts and phy setting sequence.

Add PCIe lane equalization preset properties for 8 GT/s.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Ziyue Zhang <ziyue.zhang@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250725112346.614316-2-ziyue.zhang@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Krishna chaitanya chundru
2025-07-25 19:23:45 +08:00
committed by Bjorn Andersson
parent f5f2b835e3
commit 718cc7542a
1 changed files with 138 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

138
arch/arm64/boot/dts/qcom/sm6150.dtsi
View File

@@ -1072,6 +1072,144 @@ mmss_noc: interconnect@1740000 {
qcom,bcm-voters = <&apps_bcm_voter>;
};
pcie: pcie@1c08000 {
device_type = "pci";
compatible = "qcom,pcie-qcs615", "qcom,pcie-sm8150";
reg = <0x0 0x01c08000 0x0 0x3000>,
<0x0 0x40000000 0x0 0xf1d>,
<0x0 0x40000f20 0x0 0xa8>,
<0x0 0x40001000 0x0 0x1000>,
<0x0 0x40100000 0x0 0x100000>,
<0x0 0x01c0b000 0x0 0x1000>;
reg-names = "parf",
"dbi",
"elbi",
"atu",
"config",
"mhi";
#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 = <1>;
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";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 2 &intc GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 3 &intc GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 4 &intc GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
<&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 = "pipe",
"aux",
"cfg",
"bus_master",
"bus_slave",
"slave_q2a";
assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
assigned-clock-rates = <19200000>;
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_ACTIVE_ONLY
&config_noc SLAVE_PCIE_0 QCOM_ICC_TAG_ACTIVE_ONLY>;
interconnect-names = "pcie-mem", "cpu-pcie";
iommu-map = <0x0 &apps_smmu 0x400 0x1>,
<0x100 &apps_smmu 0x401 0x1>;
resets = <&gcc GCC_PCIE_0_BCR>;
reset-names = "pci";
power-domains = <&gcc PCIE_0_GDSC>;
phys = <&pcie_phy>;
phy-names = "pciephy";
max-link-speed = <2>;
operating-points-v2 = <&pcie_opp_table>;
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>;
};
};
};
pcie_phy: phy@1c0e000 {
compatible = "qcom,qcs615-qmp-gen3x1-pcie-phy";
reg = <0x0 0x01c0e000 0x0 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";
resets = <&gcc GCC_PCIE_0_PHY_BCR>;
reset-names = "phy";
assigned-clocks = <&gcc GCC_PCIE0_PHY_REFGEN_CLK>;
assigned-clock-rates = <100000000>;
#clock-cells = <0>;
clock-output-names = "pcie_0_pipe_clk";
#phy-cells = <0>;
status = "disabled";
};
ufs_mem_hc: ufshc@1d84000 {
compatible = "qcom,qcs615-ufshc", "qcom,ufshc", "jedec,ufs-2.0";
reg = <0x0 0x01d84000 0x0 0x3000>,