diff options
| author | Thierry Reding <thierry.reding@avionic-design.de> | 2013-08-09 18:49:19 +0400 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2013-08-13 00:17:39 +0400 |
| commit | 1b62b611bdcb1d829571ab37e374528ee46ff937 (patch) | |
| tree | 06963c401c937922c04520aaeaa19304a9a512d8 /arch/arm/boot | |
| parent | 47d2d63ba6fde42efcf31a32942da54b1372686b (diff) | |
| download | linux-1b62b611bdcb1d829571ab37e374528ee46ff937.tar.xz | |
ARM: tegra: Add Tegra20 PCIe support to DT
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>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/tegra20.dtsi | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 9653fd8288d2..ecd016aef9d3 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -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>; |