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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull device tree changes from Grant Likely:
 "Mostly documentation updates, but also includes an empty stub for
  non-CONFIG_OF builds."

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  dt/documentation: Fix value format description
  dt: add vendor prefix for EM Microelectronics
  ARM: DT: Add binding for GIC virtualization extentions (VGIC)
  of/irq: add empty irq_of_parse_and_map() for non-dt builds
Linus Torvalds 13 years ago
parent
commit
0708500d49

+ 33 - 2
Documentation/devicetree/bindings/arm/gic.txt

@@ -11,7 +11,9 @@ have PPIs or SGIs.
 Main node required properties:
 
 - compatible : should be one of:
+	"arm,cortex-a15-gic"
 	"arm,cortex-a9-gic"
+	"arm,cortex-a7-gic"
 	"arm,arm11mp-gic"
 - interrupt-controller : Identifies the node as an interrupt controller
 - #interrupt-cells : Specifies the number of cells needed to encode an
@@ -39,8 +41,9 @@ Main node required properties:
   the GIC cpu interface register base and size.
 
 Optional
-- interrupts	: Interrupt source of the parent interrupt controller. Only
-  present on secondary GICs.
+- interrupts	: Interrupt source of the parent interrupt controller on
+  secondary GICs, or VGIC maintainance interrupt on primary GIC (see
+  below).
 
 - cpu-offset	: per-cpu offset within the distributor and cpu interface
   regions, used when the GIC doesn't have banked registers. The offset is
@@ -57,3 +60,31 @@ Example:
 		      <0xfff10100 0x100>;
 	};
 
+
+* GIC virtualization extensions (VGIC)
+
+For ARM cores that support the virtualization extensions, additional
+properties must be described (they only exist if the GIC is the
+primary interrupt controller).
+
+Required properties:
+
+- reg : Additional regions specifying the base physical address and
+  size of the VGIC registers. The first additional region is the GIC
+  virtual interface control register base and size. The 2nd additional
+  region is the GIC virtual cpu interface register base and size.
+
+- interrupts : VGIC maintainance interrupt.
+
+Example:
+
+	interrupt-controller@2c001000 {
+		compatible = "arm,cortex-a15-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0x2c001000 0x1000>,
+		      <0x2c002000 0x1000>,
+		      <0x2c004000 0x2000>,
+		      <0x2c006000 0x2000>;
+		interrupts = <1 9 0xf04>;
+	};

+ 1 - 0
Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -14,6 +14,7 @@ chrp	Common Hardware Reference Platform
 cortina	Cortina Systems, Inc.
 dallas	Maxim Integrated Products (formerly Dallas Semiconductor)
 denx	Denx Software Engineering
+emmicro	EM Microelectronic
 epson	Seiko Epson Corp.
 est	ESTeem Wireless Modems
 fsl	Freescale Semiconductor

+ 28 - 27
Documentation/devicetree/booting-without-of.txt

@@ -551,12 +551,13 @@ Here is an example of a simple device-tree. In this example, an "o"
 designates a node followed by the node unit name. Properties are
 presented with their name followed by their content. "content"
 represents an ASCII string (zero terminated) value, while <content>
-represents a 32-bit hexadecimal value. The various nodes in this
-example will be discussed in a later chapter. At this point, it is
-only meant to give you a idea of what a device-tree looks like. I have
-purposefully kept the "name" and "linux,phandle" properties which
-aren't necessary in order to give you a better idea of what the tree
-looks like in practice.
+represents a 32-bit value, specified in decimal or hexadecimal (the
+latter prefixed 0x). The various nodes in this example will be
+discussed in a later chapter. At this point, it is only meant to give
+you a idea of what a device-tree looks like. I have purposefully kept
+the "name" and "linux,phandle" properties which aren't necessary in
+order to give you a better idea of what the tree looks like in
+practice.
 
   / o device-tree
       |- name = "device-tree"
@@ -576,14 +577,14 @@ looks like in practice.
       |   |- name = "PowerPC,970"
       |   |- device_type = "cpu"
       |   |- reg = <0>
-      |   |- clock-frequency = <5f5e1000>
+      |   |- clock-frequency = <0x5f5e1000>
       |   |- 64-bit
       |   |- linux,phandle = <2>
       |
       o memory@0
       | |- name = "memory"
       | |- device_type = "memory"
-      | |- reg = <00000000 00000000 00000000 20000000>
+      | |- reg = <0x00000000 0x00000000 0x00000000 0x20000000>
       | |- linux,phandle = <3>
       |
       o chosen
@@ -1010,8 +1011,8 @@ compatibility.
 		#size-cells = <1>;
 		#interrupt-cells = <2>;
 		device_type = "soc";
-		ranges = <00000000 e0000000 00100000>
-		reg = <e0000000 00003000>;
+		ranges = <0x00000000 0xe0000000 0x00100000>
+		reg = <0xe0000000 0x00003000>;
 		bus-frequency = <0>;
 	}
 
@@ -1085,16 +1086,16 @@ supported currently at the toplevel.
                                  * terminated string
 				 */
 
-  property2 = <1234abcd>;	/* define a property containing a
+  property2 = <0x1234abcd>;	/* define a property containing a
                                  * numerical 32-bit value (hexadecimal)
 				 */
 
-  property3 = <12345678 12345678 deadbeef>;
+  property3 = <0x12345678 0x12345678 0xdeadbeef>;
                                 /* define a property containing 3
                                  * numerical 32-bit values (cells) in
                                  * hexadecimal
 				 */
-  property4 = [0a 0b 0c 0d de ea ad be ef];
+  property4 = [0x0a 0x0b 0x0c 0x0d 0xde 0xea 0xad 0xbe 0xef];
                                 /* define a property whose content is
                                  * an arbitrary array of bytes
                                  */
@@ -1350,10 +1351,10 @@ Appendix A - Sample SOC node for MPC8540
 			model = "TSEC";
 			compatible = "gianfar", "simple-bus";
 			reg = <0x24000 0x1000>;
-			local-mac-address = [ 00 E0 0C 00 73 00 ];
-			interrupts = <29 2 30 2 34 2>;
+			local-mac-address = [ 0x00 0xE0 0x0C 0x00 0x73 0x00 ];
+			interrupts = <0x29 2 0x30 2 0x34 2>;
 			phy-handle = <&phy0>;
-			sleep = <&pmc 00000080>;
+			sleep = <&pmc 0x00000080>;
 			ranges;
 
 			mdio@24520 {
@@ -1385,10 +1386,10 @@ Appendix A - Sample SOC node for MPC8540
 			model = "TSEC";
 			compatible = "gianfar";
 			reg = <0x25000 0x1000>;
-			local-mac-address = [ 00 E0 0C 00 73 01 ];
-			interrupts = <13 2 14 2 18 2>;
+			local-mac-address = [ 0x00 0xE0 0x0C 0x00 0x73 0x01 ];
+			interrupts = <0x13 2 0x14 2 0x18 2>;
 			phy-handle = <&phy1>;
-			sleep = <&pmc 00000040>;
+			sleep = <&pmc 0x00000040>;
 		};
 
 		ethernet@26000 {
@@ -1396,17 +1397,17 @@ Appendix A - Sample SOC node for MPC8540
 			model = "FEC";
 			compatible = "gianfar";
 			reg = <0x26000 0x1000>;
-			local-mac-address = [ 00 E0 0C 00 73 02 ];
-			interrupts = <41 2>;
+			local-mac-address = [ 0x00 0xE0 0x0C 0x00 0x73 0x02 ];
+			interrupts = <0x41 2>;
 			phy-handle = <&phy3>;
-			sleep = <&pmc 00000020>;
+			sleep = <&pmc 0x00000020>;
 		};
 
 		serial@4500 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "fsl,mpc8540-duart", "simple-bus";
-			sleep = <&pmc 00000002>;
+			sleep = <&pmc 0x00000002>;
 			ranges;
 
 			serial@4500 {
@@ -1414,7 +1415,7 @@ Appendix A - Sample SOC node for MPC8540
 				compatible = "ns16550";
 				reg = <0x4500 0x100>;
 				clock-frequency = <0>;
-				interrupts = <42 2>;
+				interrupts = <0x42 2>;
 			};
 
 			serial@4600 {
@@ -1422,7 +1423,7 @@ Appendix A - Sample SOC node for MPC8540
 				compatible = "ns16550";
 				reg = <0x4600 0x100>;
 				clock-frequency = <0>;
-				interrupts = <42 2>;
+				interrupts = <0x42 2>;
 			};
 		};
 
@@ -1436,11 +1437,11 @@ Appendix A - Sample SOC node for MPC8540
 		};
 
 		i2c@3000 {
-			interrupts = <43 2>;
+			interrupts = <0x43 2>;
 			reg = <0x3000 0x100>;
 			compatible  = "fsl-i2c";
 			dfsrr;
-			sleep = <&pmc 00000004>;
+			sleep = <&pmc 0x00000004>;
 		};
 
 		pmc: power@e0070 {

+ 10 - 2
include/linux/of_irq.h

@@ -11,7 +11,7 @@ struct of_irq;
 #include <linux/of.h>
 
 /*
- * irq_of_parse_and_map() is used ba all OF enabled platforms; but SPARC
+ * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
  * implements it differently.  However, the prototype is the same for all,
  * so declare it here regardless of the CONFIG_OF_IRQ setting.
  */
@@ -76,5 +76,13 @@ extern struct device_node *of_irq_find_parent(struct device_node *child);
 extern void of_irq_init(const struct of_device_id *matches);
 
 #endif /* CONFIG_OF_IRQ */
-#endif /* CONFIG_OF */
+
+#else /* !CONFIG_OF */
+static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
+						int index)
+{
+	return 0;
+}
+#endif /* !CONFIG_OF */
+
 #endif /* __OF_IRQ_H */