From e07e3dbd9c8f84ff37c117eb1ff80f3f41a4df4b Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 9 Aug 2013 16:49:26 +0200 Subject: ARM: tegra: Add Tegra30 PCIe support Add the top-level pcie-controller node for the Tegra30 SoC. Tegra30 has three root ports that can use different lane layouts. Signed-off-by: Jay Agarwal Signed-off-by: Thierry Reding Signed-off-by: Stephen Warren --- arch/arm/boot/dts/tegra30.dtsi | 70 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) (limited to 'arch/arm/boot/dts/tegra30.dtsi') diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index d8783f0fae63..c8faccad0e65 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -16,6 +16,76 @@ serial4 = &uarte; }; + pcie-controller { + compatible = "nvidia,tegra30-pcie"; + device_type = "pci"; + reg = <0x00003000 0x00000800 /* PADS registers */ + 0x00003800 0x00000200 /* AFI registers */ + 0x10000000 0x10000000>; /* configuration space */ + reg-names = "pads", "afi", "cs"; + interrupts = ; /* MSI interrupt */ + interrupt-names = "intr", "msi"; + + bus-range = <0x00 0xff>; + #address-cells = <3>; + #size-cells = <2>; + + ranges = <0x82000000 0 0x00000000 0x00000000 0 0x00001000 /* port 0 configuration space */ + 0x82000000 0 0x00001000 0x00001000 0 0x00001000 /* port 1 configuration space */ + 0x82000000 0 0x00004000 0x00004000 0 0x00001000 /* port 2 configuration space */ + 0x81000000 0 0 0x02000000 0 0x00010000 /* downstream I/O */ + 0x82000000 0 0x20000000 0x20000000 0 0x10000000 /* non-prefetchable memory */ + 0xc2000000 0 0x30000000 0x30000000 0 0x10000000>; /* prefetchable memory */ + + clocks = <&tegra_car TEGRA30_CLK_PCIE>, + <&tegra_car TEGRA30_CLK_AFI>, + <&tegra_car TEGRA30_CLK_PCIEX>, + <&tegra_car TEGRA30_CLK_PLL_E>, + <&tegra_car TEGRA30_CLK_CML0>; + clock-names = "pex", "afi", "pcie_xclk", "pll_e", "cml"; + status = "disabled"; + + pci@1,0 { + device_type = "pci"; + assigned-addresses = <0x82000800 0 0x00000000 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 0x00001000 0 0x1000>; + reg = <0x001000 0 0 0 0>; + status = "disabled"; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + + nvidia,num-lanes = <2>; + }; + + pci@3,0 { + device_type = "pci"; + assigned-addresses = <0x82001800 0 0x00004000 0 0x1000>; + reg = <0x001800 0 0 0 0>; + status = "disabled"; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + + nvidia,num-lanes = <2>; + }; + }; + host1x { compatible = "nvidia,tegra30-host1x", "simple-bus"; reg = <0x50000000 0x00024000>; -- cgit v1.2.3