Patchwork [V5,3/3] ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC

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Submitter Jingoo Han
Date June 13, 2013, 1:23 p.m.
Message ID <000d01ce6839$3047a7b0$90d6f710$@samsung.com>
Download mbox | patch
Permalink /patch/251074/
State Not Applicable
Headers show

Comments

Jingoo Han - June 13, 2013, 1:23 p.m.
Exynos5440 has two PCIe controllers which can be used as root complex
for PCIe interface.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
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(-)

Patch

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>;
+	};
 };