[U-Boot] [PATCH v3 16/30] ARM: tegra: Add Tegra30 PCIe device tree node

Simon Glass
2014-11-13T01:27:02Z

Add the device tree node for the PCIe controller found on Tegra30 SoCs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v3: None

arch/arm/dts/tegra30.dtsi | 74 +++++++++++++++++++++++++++++++++
include/dt-bindings/clock/tegra30-car.h | 2 +-
2 files changed, 75 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/tegra30.dtsi b/arch/arm/dts/tegra30.dtsi
index 1db334a..5ea7e34 100644
--- a/arch/arm/dts/tegra30.dtsi
+++ b/arch/arm/dts/tegra30.dtsi
@@ -16,6 +16,80 @@
#interrupt-cells = <3>;
};

+ pcie-controller at 00003000 {
+ 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";
+
+ #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 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 at 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 at 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 at 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>;
+ };
+ };
+
tegra_car: clock {
compatible = "nvidia,tegra30-car";
reg = <0x60006000 0x1000>;
diff --git a/include/dt-bindings/clock/tegra30-car.h b/include/dt-bindings/clock/tegra30-car.h
index 889e49b..2244582 100644
--- a/include/dt-bindings/clock/tegra30-car.h
+++ b/include/dt-bindings/clock/tegra30-car.h
@@ -92,7 +92,7 @@
#define TEGRA30_CLK_OWR 71
#define TEGRA30_CLK_AFI 72
#define TEGRA30_CLK_CSITE 73
-/* 74 */
+#define TEGRA30_CLK_PCIEX 74
#define TEGRA30_CLK_AVPUCQ 75
#define TEGRA30_CLK_LA 76
/* 77 */
--
2.1.0.rc2.206.gedb03e5