ARM: 7518/1: integrator: convert AMBA devices to device tree

This converts the AMBA (PrimeCell) devices on the Integrator/AP
and Integrator/CP over to probing from the Device Tree if the
kernel is compiled for Device Tree support.

We continue to #ifdef out all non-DT code and vice versa on
respective boot type to get a clean cut.

We need to add a bunch of auxdata (compare to the Versatile)
to handle bus names and callbacks alike.

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

3 files changed, 119 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
index b464abadd10b..9bcc09d54457 100644
--- a/arch/arm/boot/dts/integrator.dtsi
+++ b/arch/arm/boot/dts/integrator.dtsi
@@ -30,4 +30,42 @@
 		reg = <0x14000000 0x100>;
 		clear-mask = <0xffffffff>;
 	};
+
+	fpga {
+		compatible = "arm,amba-bus", "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		interrupt-parent = <&pic>;
+
+		/*
+		 * These PrimeCells are in the same locations and using the
+		 * same interrupts in all Integrators, however the silicon
+		 * version deployed is different.
+		 */
+		rtc@15000000 {
+			reg = <0x15000000 0x1000>;
+			interrupts = <8>;
+		};
+
+		uart@16000000 {
+			reg = <0x16000000 0x1000>;
+			interrupts = <1>;
+		};
+
+		uart@17000000 {
+			reg = <0x17000000 0x1000>;
+			interrupts = <2>;
+		};
+
+		kmi@18000000 {
+			reg = <0x18000000 0x1000>;
+			interrupts = <3>;
+		};
+
+		kmi@19000000 {
+			reg = <0x19000000 0x1000>;
+			interrupts = <4>;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
index 083ff395de0f..61767757b50a 100644
--- a/arch/arm/boot/dts/integratorap.dts
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -33,4 +33,36 @@
 	pic: pic@14000000 {
 		valid-mask = <0x003fffff>;
 	};
+
+	fpga {
+		/*
+		 * The Integator/AP predates the idea to have magic numbers
+		 * identifying the PrimeCell in hardware, thus we have to
+		 * supply these from the device tree.
+		 */
+		rtc: rtc@15000000 {
+			compatible = "arm,pl030", "arm,primecell";
+			arm,primecell-periphid = <0x00041030>;
+		};
+
+		uart0: uart@16000000 {
+			compatible = "arm,pl010", "arm,primecell";
+			arm,primecell-periphid = <0x00041010>;
+		};
+
+		uart1: uart@17000000 {
+			compatible = "arm,pl010", "arm,primecell";
+			arm,primecell-periphid = <0x00041010>;
+		};
+
+		kmi0: kmi@18000000 {
+			compatible = "arm,pl050", "arm,primecell";
+			arm,primecell-periphid = <0x00041050>;
+		};
+
+		kmi1: kmi@19000000 {
+			compatible = "arm,pl050", "arm,primecell";
+			arm,primecell-periphid = <0x00041050>;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts
index 63033144442a..7bd49466cb0d 100644
--- a/arch/arm/boot/dts/integratorcp.dts
+++ b/arch/arm/boot/dts/integratorcp.dts
@@ -51,4 +51,53 @@
 		clear-mask = <0x00000fff>;
 		valid-mask = <0x00000fff>;
 	};
+
+	fpga {
+		/*
+		 * These PrimeCells are at the same location and using
+		 * the same interrupts in all Integrators, but in the CP
+		 * slightly newer versions are deployed.
+		 */
+		rtc@15000000 {
+			compatible = "arm,pl031", "arm,primecell";
+		};
+
+		uart@16000000 {
+			compatible = "arm,pl011", "arm,primecell";
+		};
+
+		uart@17000000 {
+			compatible = "arm,pl011", "arm,primecell";
+		};
+
+		kmi@18000000 {
+			compatible = "arm,pl050", "arm,primecell";
+		};
+
+		kmi@19000000 {
+			compatible = "arm,pl050", "arm,primecell";
+		};
+
+		/*
+		 * These PrimeCells are only available on the Integrator/CP
+		 */
+		mmc@1c000000 {
+			compatible = "arm,pl180", "arm,primecell";
+			reg = <0x1c000000 0x1000>;
+			interrupts = <23 24>;
+			max-frequency = <515633>;
+		};
+
+		aaci@1d000000 {
+			compatible = "arm,pl041", "arm,primecell";
+			reg = <0x1d000000 0x1000>;
+			interrupts = <25>;
+		};
+
+		clcd@c0000000 {
+			compatible = "arm,pl110", "arm,primecell";
+			reg = <0xC0000000 0x1000>;
+			interrupts = <22>;
+		};
+	};
 };