diff options
Diffstat (limited to 'Documentation/devicetree/booting-without-of.txt')
| -rw-r--r-- | Documentation/devicetree/booting-without-of.txt | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index da0bfeb4253d..d4d66757354e 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/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 { |