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arm64: tegra: Add PCIe node for Tegra186

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Tegra186 has three PCIe controllers, which can be operated
in 401, 211 or 111 lane combinations. Add DT support for
PCIe controllers.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Manikanta Maddireddy
2017-09-27 17:28:36 +05:30
committed by Thierry Reding
parent effc4b44e0
commit f8973cf43c
1 changed files with 80 additions and 0 deletions
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80
arch/arm64/boot/dts/nvidia/tegra186.dtsi
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@@ -355,6 +355,86 @@ ccplex@e000000 {
nvidia,bpmp = <&bpmp>;
};
pcie@10003000 {
compatible = "nvidia,tegra186-pcie";
power-domains = <&bpmp TEGRA186_POWER_DOMAIN_PCX>;
device_type = "pci";
reg = <0x0 0x10003000 0x0 0x00000800 /* PADS registers */
0x0 0x10003800 0x0 0x00000800 /* AFI registers */
0x0 0x40000000 0x0 0x10000000>; /* configuration space */
reg-names = "pads", "afi", "cs";
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
<GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
interrupt-names = "intr", "msi";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
interrupt-map = <0 0 0 0 &gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
bus-range = <0x00 0xff>;
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x82000000 0 0x10000000 0x0 0x10000000 0 0x00001000 /* port 0 configuration space */
0x82000000 0 0x10001000 0x0 0x10001000 0 0x00001000 /* port 1 configuration space */
0x82000000 0 0x10004000 0x0 0x10004000 0 0x00001000 /* port 2 configuration space */
0x81000000 0 0x0 0x0 0x50000000 0 0x00010000 /* downstream I/O (64 KiB) */
0x82000000 0 0x50100000 0x0 0x50100000 0 0x07F00000 /* non-prefetchable memory (127 MiB) */
0xc2000000 0 0x58000000 0x0 0x58000000 0 0x28000000>; /* prefetchable memory (640 MiB) */
clocks = <&bpmp TEGRA186_CLK_AFI>,
<&bpmp TEGRA186_CLK_PCIE>,
<&bpmp TEGRA186_CLK_PLLE>;
clock-names = "afi", "pex", "pll_e";
resets = <&bpmp TEGRA186_RESET_AFI>,
<&bpmp TEGRA186_RESET_PCIE>,
<&bpmp TEGRA186_RESET_PCIEXCLK>;
reset-names = "afi", "pex", "pcie_x";
status = "disabled";
pci@1,0 {
device_type = "pci";
assigned-addresses = <0x82000800 0 0x10000000 0 0x1000>;
reg = <0x000800 0 0 0 0>;
status = "disabled";
#address-cells = <3>;
#size-cells = <2>;
ranges;
nvidia,num-lanes = <2>;
};
pci@2,0 {
device_type = "pci";
assigned-addresses = <0x82001000 0 0x10001000 0 0x1000>;
reg = <0x001000 0 0 0 0>;
status = "disabled";
#address-cells = <3>;
#size-cells = <2>;
ranges;
nvidia,num-lanes = <1>;
};
pci@3,0 {
device_type = "pci";
assigned-addresses = <0x82001800 0 0x10004000 0 0x1000>;
reg = <0x001800 0 0 0 0>;
status = "disabled";
#address-cells = <3>;
#size-cells = <2>;
ranges;
nvidia,num-lanes = <1>;
};
};
host1x@13e00000 {
compatible = "nvidia,tegra186-host1x", "simple-bus";
reg = <0x0 0x13e00000 0x0 0x10000>,