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 <jagarwal@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
Changes in v5:
- use symbolic constants for interrupts and clocks
arch/arm/boot/dts/tegra30.dtsi | 70 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index d8783f0..c8facca 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 = <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 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>;
--
1.8.3.4
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