Exynos5440 has two PCIe controllers which can be used as root complex
for PCIe interface.
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
Tested on Exynos5440.
arch/arm/boot/dts/exynos5440-ssdk5440.dts | 8 ++++++
arch/arm/boot/dts/exynos5440.dtsi | 40 ++++++++++++++++++++++++++++-
2 files changed, 47 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
index d55042b..198b3c1 100644
--- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts
+++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
@@ -30,4 +30,12 @@
clock-frequency = <50000000>;
};
};
+
+ pcie0@290000 {
+ reset-gpio = <&pin_ctrl 5 0>;
+ };
+
+ pcie1@2a0000 {
+ reset-gpio = <&pin_ctrl 22 0>;
+ };
};
diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
index f6b1c89..9d40e0e 100644
--- a/arch/arm/boot/dts/exynos5440.dtsi
+++ b/arch/arm/boot/dts/exynos5440.dtsi
@@ -113,7 +113,7 @@
clock-names = "spi", "spi_busclk0";
};
- pinctrl {
+ pin_ctrl: pinctrl {
compatible = "samsung,exynos5440-pinctrl";
reg = <0xE0000 0x1000>;
interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>,
@@ -216,4 +216,42 @@
clock-names = "rtc";
status = "disabled";
};
+
+ pcie0@290000 {
+ compatible = "samsung,exynos5440-pcie";
+ reg = <0x290000 0x1000
+ 0x270000 0x1000
+ 0x271000 0x40>;
+ interrupts = <0 20 0>, <0 21 0>, <0 22 0>;
+ clocks = <&clock 28>, <&clock 27>;
+ clock-names = "pcie", "pcie_bus";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00001000 /* configuration space */
+ 0x81000000 0 0 0x40001000 0 0x00010000 /* downstream I/O */
+ 0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0x0 0 &gic 53>;
+ };
+
+ pcie1@2a0000 {
+ compatible = "samsung,exynos5440-pcie";
+ reg = <0x2a0000 0x1000
+ 0x272000 0x1000
+ 0x271040 0x40>;
+ interrupts = <0 23 0>, <0 24 0>, <0 25 0>;
+ clocks = <&clock 29>, <&clock 27>;
+ clock-names = "pcie", "pcie_bus";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00001000 /* configuration space */
+ 0x81000000 0 0 0x60001000 0 0x00010000 /* downstream I/O */
+ 0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0x0 0 &gic 56>;
+ };
};
--
1.7.10.4
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