Exynos5440 has two PCIe controllers which can be used as root complex
for PCIe interface.
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos5440-ssdk5440.dts | 8 +++++++
arch/arm/boot/dts/exynos5440.dtsi | 32 +++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
index a21eb4c..746f9fc 100644
--- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts
+++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
@@ -34,4 +34,12 @@
clock-frequency = <50000000>;
};
};
+
+ pcie0@40000000 {
+ reset-gpio = <5>;
+ };
+
+ pcie1@60000000 {
+ reset-gpio = <22>;
+ };
};
diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
index c374a31..41b2d2c 100644
--- a/arch/arm/boot/dts/exynos5440.dtsi
+++ b/arch/arm/boot/dts/exynos5440.dtsi
@@ -178,4 +178,36 @@
clocks = <&clock 21>;
clock-names = "rtc";
};
+
+ pcie0@40000000 {
+ compatible = "samsung,exynos5440-pcie";
+ reg = <0x40000000 0x4000
+ 0x290000 0x1000
+ 0x270000 0x1000
+ 0x271000 0x40>;
+ interrupts = <0 20 0>, <0 21 0>, <0 22 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ bus-range = <0x0 0xf>;
+ ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00200000 /* configuration space */
+ 0x81000000 0 0 0x40200000 0 0x00004000 /* downstream I/O */
+ 0x82000000 0 0 0x40204000 0 0x10000000>; /* non-prefetchable memory */
+ };
+
+ pcie1@60000000 {
+ compatible = "samsung,exynos5440-pcie";
+ reg = <0x60000000 0x4000
+ 0x2a0000 0x1000
+ 0x272000 0x1000
+ 0x271040 0x40>;
+ interrupts = <0 23 0>, <0 24 0>, <0 25 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ bus-range = <0x0 0xf>;
+ ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00200000 /* configuration space */
+ 0x81000000 0 0 0x60200000 0 0x00004000 /* downstream I/O */
+ 0x82000000 0 0 0x60204000 0 0x10000000>; /* non-prefetchable memory */
+ };
};
--
1.7.2.5
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