ARM: 7517/1: integrator: initial device tree support

This is initial device tree support for the ARM Integrator family,
we create a very basic device tree, #ifdef out the non-DT machines
when compiling for device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 123 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
new file mode 100644
index 000000000000..b464abadd10b
--- /dev/null
+++ b/arch/arm/boot/dts/integrator.dtsi
@@ -0,0 +1,33 @@
+/*
+ * SoC core Device Tree for the ARM Integrator platforms
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	timer@13000000 {
+		reg = <0x13000000 0x100>;
+		interrupt-parent = <&pic>;
+		interrupts = <5>;
+	};
+
+	timer@13000100 {
+		reg = <0x13000100 0x100>;
+		interrupt-parent = <&pic>;
+		interrupts = <6>;
+	};
+
+	timer@13000200 {
+		reg = <0x13000200 0x100>;
+		interrupt-parent = <&pic>;
+		interrupts = <7>;
+	};
+
+	pic@14000000 {
+		compatible = "arm,versatile-fpga-irq";
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		reg = <0x14000000 0x100>;
+		clear-mask = <0xffffffff>;
+	};
+};
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
new file mode 100644
index 000000000000..083ff395de0f
--- /dev/null
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -0,0 +1,36 @@
+/*
+ * Device Tree for the ARM Integrator/AP platform
+ */
+
+/dts-v1/;
+/include/ "integrator.dtsi"
+
+/ {
+	model = "ARM Integrator/AP";
+	compatible = "arm,integrator-ap";
+
+	aliases {
+		arm,timer-primary = &timer2;
+		arm,timer-secondary = &timer1;
+	};
+
+	chosen {
+		bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk";
+	};
+
+	timer0: timer@13000000 {
+		compatible = "arm,integrator-timer";
+	};
+
+	timer1: timer@13000100 {
+		compatible = "arm,integrator-timer";
+	};
+
+	timer2: timer@13000200 {
+		compatible = "arm,integrator-timer";
+	};
+
+	pic: pic@14000000 {
+		valid-mask = <0x003fffff>;
+	};
+};
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts
new file mode 100644
index 000000000000..63033144442a
--- /dev/null
+++ b/arch/arm/boot/dts/integratorcp.dts
@@ -0,0 +1,54 @@
+/*
+ * Device Tree for the ARM Integrator/CP platform
+ */
+
+/dts-v1/;
+/include/ "integrator.dtsi"
+
+/ {
+	model = "ARM Integrator/CP";
+	compatible = "arm,integrator-cp";
+
+	aliases {
+		arm,timer-primary = &timer2;
+		arm,timer-secondary = &timer1;
+	};
+
+	chosen {
+		bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk";
+	};
+
+	timer0: timer@13000000 {
+		compatible = "arm,sp804", "arm,primecell";
+	};
+
+	timer1: timer@13000100 {
+		compatible = "arm,sp804", "arm,primecell";
+	};
+
+	timer2: timer@13000200 {
+		compatible = "arm,sp804", "arm,primecell";
+	};
+
+	pic: pic@14000000 {
+		valid-mask = <0x1fc003ff>;
+	};
+
+	cic: cic@10000040 {
+		compatible = "arm,versatile-fpga-irq";
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		reg = <0x10000040 0x100>;
+		clear-mask = <0xffffffff>;
+		valid-mask = <0x00000007>;
+	};
+
+	sic: sic@ca000000 {
+		compatible = "arm,versatile-fpga-irq";
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		reg = <0xca000000 0x100>;
+		clear-mask = <0x00000fff>;
+		valid-mask = <0x00000fff>;
+	};
+};