From: Thierry Reding treding@nvidia.com
Add the device tree node for the PCIe controller found on Tegra124 SoCs.
Acked-by: Stephen Warren swarren@nvidia.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: None Changes in v3: None
arch/arm/dts/tegra124.dtsi | 66 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+)
diff --git a/arch/arm/dts/tegra124.dtsi b/arch/arm/dts/tegra124.dtsi index a899d54..9fa141d 100644 --- a/arch/arm/dts/tegra124.dtsi +++ b/arch/arm/dts/tegra124.dtsi @@ -10,6 +10,72 @@ compatible = "nvidia,tegra124"; interrupt-parent = <&gic>;
+ pcie-controller@01003000 { + compatible = "nvidia,tegra124-pcie"; + device_type = "pci"; + reg = <0x01003000 0x00000800 /* PADS registers */ + 0x01003800 0x00000800 /* AFI registers */ + 0x02000000 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 &gic GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; + + bus-range = <0x00 0xff>; + #address-cells = <3>; + #size-cells = <2>; + + ranges = <0x82000000 0 0x01000000 0x01000000 0 0x00001000 /* port 0 configuration space */ + 0x82000000 0 0x01001000 0x01001000 0 0x00001000 /* port 1 configuration space */ + 0x81000000 0 0x0 0x12000000 0 0x00010000 /* downstream I/O (64 KiB) */ + 0x82000000 0 0x13000000 0x13000000 0 0x0d000000 /* non-prefetchable memory (208 MiB) */ + 0xc2000000 0 0x20000000 0x20000000 0 0x20000000>; /* prefetchable memory (512 MiB) */ + + clocks = <&tegra_car TEGRA124_CLK_PCIE>, + <&tegra_car TEGRA124_CLK_AFI>, + <&tegra_car TEGRA124_CLK_PLL_E>, + <&tegra_car TEGRA124_CLK_CML0>; + clock-names = "pex", "afi", "pll_e", "cml"; + resets = <&tegra_car 70>, + <&tegra_car 72>, + <&tegra_car 74>; + reset-names = "pex", "afi", "pcie_x"; + status = "disabled"; + + phys = <&padctl TEGRA_XUSB_PADCTL_PCIE>; + phy-names = "pcie"; + + pci@1,0 { + device_type = "pci"; + assigned-addresses = <0x82000800 0 0x01000000 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 0x01001000 0 0x1000>; + reg = <0x001000 0 0 0 0>; + status = "disabled"; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + + nvidia,num-lanes = <1>; + }; + }; + gic: interrupt-controller@50041000 { compatible = "arm,cortex-a15-gic"; #interrupt-cells = <3>;