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ARM: tegra: Add Tegra20 PCIe support to DT

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Add the top-level pcie-controller node for the Tegra20 SoC. Tegra20 has
two root ports that can use different lane layouts.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
[swarren: split DT changes into a separate patch from the main driver]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Thierry Reding 2013-08-09 16:49:19 +02:00 committed by Stephen Warren
parent 47d2d63ba6
commit 1b62b611bd
1 changed files with 55 additions and 0 deletions
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55
arch/arm/boot/dts/tegra20.dtsi
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@ -455,6 +455,61 @@
#size-cells = <0>;
};
pcie-controller {
compatible = "nvidia,tegra20-pcie";
device_type = "pci";
reg = <0x80003000 0x00000800 /* PADS registers */
0x80003800 0x00000200 /* AFI registers */
0x90000000 0x10000000>; /* configuration space */
reg-names = "pads", "afi", "cs";
interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH /* controller interrupt */
GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
interrupt-names = "intr", "msi";
bus-range = <0x00 0xff>;
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x82000000 0 0x80000000 0x80000000 0 0x00001000 /* port 0 registers */
0x82000000 0 0x80001000 0x80001000 0 0x00001000 /* port 1 registers */
0x81000000 0 0 0x82000000 0 0x00010000 /* downstream I/O */
0x82000000 0 0xa0000000 0xa0000000 0 0x10000000 /* non-prefetchable memory */
0xc2000000 0 0xb0000000 0xb0000000 0 0x10000000>; /* prefetchable memory */
clocks = <&tegra_car TEGRA20_CLK_PEX>,
<&tegra_car TEGRA20_CLK_AFI>,
<&tegra_car TEGRA20_CLK_PCIE_XCLK>,
<&tegra_car TEGRA20_CLK_PLL_E>;
clock-names = "pex", "afi", "pcie_xclk", "pll_e";
status = "disabled";
pci@1,0 {
device_type = "pci";
assigned-addresses = <0x82000800 0 0x80000000 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 0x80001000 0 0x1000>;
reg = <0x001000 0 0 0 0>;
status = "disabled";
#address-cells = <3>;
#size-cells = <2>;
ranges;
nvidia,num-lanes = <2>;
};
};
usb@c5000000 {
compatible = "nvidia,tegra20-ehci", "usb-ehci";
reg = <0xc5000000 0x4000>;