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authorThierry Reding <treding@nvidia.com>2014-12-09 22:25:13 -0700
committerTom Warren <twarren@nvidia.com>2014-12-18 13:19:20 -0700
commit65d2465d5d4cdb347506438b226b01d6ef0eec79 (patch)
tree6450d57a2061ecc99d240a4c567b8b49302b2916 /arch
parentf315828b0d31cac2559af626f75bcb7f5a0ac524 (diff)
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ARM: tegra: Add Tegra20 PCIe device tree node
Add the device tree node for the PCIe controller found on Tegra20 SoCs. Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/tegra20.dtsi59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi
index 5f927f7..b8c8a92 100644
--- a/arch/arm/dts/tegra20.dtsi
+++ b/arch/arm/dts/tegra20.dtsi
@@ -332,6 +332,65 @@
reg = <0x7000f400 0x200>;
};
+ pcie-controller@80003000 {
+ 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";
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+
+ 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 0x08000000 /* non-prefetchable memory */
+ 0xc2000000 0 0xa8000000 0xa8000000 0 0x18000000>; /* 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>;