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arm64: dts: qcom: sm8450: add PCIe0 RC device

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Add device tree node for the first PCIe host found on the Qualcomm
SM8450 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220301061500.2110569-3-dmitry.baryshkov@linaro.org
This commit is contained in:
Dmitry Baryshkov 2022-03-01 09:14:55 +03:00 committed by Bjorn Andersson
parent d41a72c24c
commit 7b09b1b473
1 changed files with 98 additions and 0 deletions
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98
arch/arm64/boot/dts/qcom/sm8450.dtsi
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@ -754,6 +754,81 @@ i2c14: i2c@a98000 {
};
};
pcie0: pci@1c00000 {
compatible = "qcom,pcie-sm8450-pcie0";
reg = <0 0x01c00000 0 0x3000>,
<0 0x60000000 0 0xf1d>,
<0 0x60000f20 0 0xa8>,
<0 0x60001000 0 0x1000>,
<0 0x60100000 0 0x100000>;
reg-names = "parf", "dbi", "elbi", "atu", "config";
device_type = "pci";
linux,pci-domain = <0>;
bus-range = <0x00 0xff>;
num-lanes = <1>;
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x01000000 0x0 0x60200000 0 0x60200000 0x0 0x100000>,
<0x02000000 0x0 0x60300000 0 0x60300000 0x0 0x3d00000>;
interrupts = <GIC_SPI 141 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 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
<0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
<0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
<0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
<&gcc GCC_PCIE_0_PIPE_CLK_SRC>,
<&pcie0_lane>,
<&rpmhcc RPMH_CXO_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>,
<&gcc GCC_DDRSS_PCIE_SF_TBU_CLK>,
<&gcc GCC_AGGRE_NOC_PCIE_0_AXI_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",
"aggre0",
"aggre1";
iommus = <&apps_smmu 0x1c00 0x7f>;
iommu-map = <0x0 &apps_smmu 0x1c00 0x1>,
<0x100 &apps_smmu 0x1c01 0x1>;
resets = <&gcc GCC_PCIE_0_BCR>;
reset-names = "pci";
power-domains = <&gcc PCIE_0_GDSC>;
power-domain-names = "gdsc";
phys = <&pcie0_lane>;
phy-names = "pciephy";
perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pcie0_default_state>;
status = "disabled";
};
pcie0_phy: phy@1c06000 {
compatible = "qcom,sm8450-qmp-gen3x1-pcie-phy";
reg = <0 0x01c06000 0 0x200>;
@ -1208,6 +1283,29 @@ tlmm: pinctrl@f100000 {
gpio-ranges = <&tlmm 0 0 211>;
wakeup-parent = <&pdc>;
pcie0_default_state: pcie0-default-state {
perst {
pins = "gpio94";
function = "gpio";
drive-strength = <2>;
bias-pull-down;
};
clkreq {
pins = "gpio95";
function = "pcie0_clkreqn";
drive-strength = <2>;
bias-pull-up;
};
wake {
pins = "gpio96";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
};
qup_i2c13_data_clk: qup-i2c13-data-clk {
pins = "gpio48", "gpio49";
function = "qup13";