ARM: tegra: Add Tegra124 PCIe device tree node

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>
Signed-off-by: Tom Warren <twarren@nvidia.com>

diff --git a/arch/arm/dts/tegra124.dtsi b/arch/arm/dts/tegra124.dtsi
index a899d54e2871f177b4bcb1d68a2571718e15b2d2..9fa141d8fe783fe42eeb538ec1cfb354f346800a 100644 (file)
--- 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>;